🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.59 AU - 0.69 AU

Year: 326 Days

Day: 16.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,454,924 km

• M1: 861,385 km (0.046 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.53 AU - 0.81 AU

Year: 349 Days

Day: 18.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,454,924 km

• M1: 565,031 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.9

Radius: 13.4

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.62 AU - 0.84 AU

Year: 397 Days

Day: 13.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 55.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,454,924 km

• M1: 166,802 km (0.118 R)
• M2: 256,411 km (0.052 R)
• M3: 367,712 km (0.098 R)
• M4: 477,367 km (0.097 R)
• M5: 617,540 km (0.046 R)
• M6: 701,913 km (0.079 R)
• M7: 801,097 km (0.086 R)
• M8: 887,415 km (0.087 R)
• M9: 985,401 km (0.099 R)
• M10: 1,079,049 km (0.066 R)
• M11: 1,190,649 km (0.076 R)
• M12: 1,279,211 km (0.117 R)
• M13: 1,401,283 km (0.103 R)
• M14: 1,485,956 km (0.089 R)
• M15: 1,601,744 km (0.054 R)
• M16: 1,697,337 km (0.094 R)
• M17: 1,801,906 km (0.084 R)
• M18: 1,943,426 km (0.102 R)
• M19: 2,046,050 km (0.084 R)
• M20: 2,139,549 km (0.082 R)
• M21: 2,260,424 km (0.092 R)
• M22: 2,357,363 km (0.087 R)
• M23: 2,520,874 km (0.084 R)
• M24: 2,641,001 km (0.091 R)
• M25: 2,751,404 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.9

Radius: 8.8

Gravity: 12.54 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.74 AU - 1 AU

Year: 516 Days

Day: 11.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 164.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 32,454,924 km

• M1: 112,049 km (0.1 R)
• M2: 186,698 km (0.106 R)
• M3: 248,482 km (0.109 R)
• M4: 324,777 km (0.094 R)
• M5: 478,264 km (0.067 R)
• M6: 579,991 km (0.104 R)
• M7: 638,484 km (0.032 R)
• M8: 781,948 km (0.098 R)
• M9: 873,352 km (0.027 R)
• M10: 1,073,066 km (0.074 R)
• M11: 1,198,877 km (0.06 R)
• M12: 1,305,541 km (0.082 R)
• M13: 1,403,228 km (0.071 R)
• M14: 1,459,178 km (0.102 R)
• M15: 1,554,322 km (0.111 R)
• M16: 1,625,381 km (0.111 R)
• M17: 1,737,579 km (0.107 R)
• M18: 1,797,867 km (0.09 R)
• M19: 1,948,662 km (0.105 R)
• M20: 2,103,645 km (0.073 R)
• M21: 2,175,452 km (0.096 R)
• M22: 2,248,157 km (0.107 R)
• M23: 2,463,578 km (0.097 R)
• M24: 2,562,312 km (0.051 R)
• M25: 2,763,821 km (0.12 R)
• M26: 2,890,530 km (0.107 R)
• M27: 2,994,800 km (0.083 R)
• M28: 3,108,644 km (0.113 R)
• M29: 3,199,001 km (0.106 R)
• M30: 3,348,898 km (0.07 R)
• M31: 3,416,217 km (0.054 R)
• M32: 3,484,134 km (0.113 R)
• M33: 3,786,173 km (0.088 R)
• M34: 3,856,484 km (0.066 R)
• M35: 3,927,094 km (0.079 R)
• M36: 4,141,916 km (0.044 R)
• M37: 4,214,322 km (0.112 R)
• M38: 4,287,176 km (0.113 R)
• M39: 4,378,879 km (0.033 R)
• M40: 4,434,230 km (0.051 R)
• M41: 4,582,931 km (0.089 R)
• M42: 5,213,635 km (0.104 R)
• M43: 5,439,827 km (0.101 R)
• M44: 5,749,944 km (0.089 R)
• M45: 5,810,680 km (0.08 R)
• M46: 5,902,085 km (0.087 R)
• M47: 6,055,572 km (0.089 R)
• M48: 6,189,612 km (0.117 R)
• M49: 6,397,852 km (0.085 R)
• M50: 6,471,305 km (0.07 R)
• M51: 6,629,579 km (0.117 R)
• M52: 6,703,929 km (0.12 R)
• M53: 6,789,200 km (0.102 R)
• M54: 6,960,789 km (0.101 R)
• M55: 7,079,570 km (0.115 R)
• M56: 7,385,198 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.3

Radius: 15

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.79 AU - 0.97 AU

Year: 525 Days

Day: 7.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 32,454,924 km

• M1: 187,596 km (0.116 R)
• M2: 292,165 km (0.103 R)
• M3: 386,112 km (0.109 R)
• M4: 511,026 km (0.114 R)
• M5: 605,722 km (0.08 R)
• M6: 726,447 km (0.107 R)
• M7: 840,441 km (0.098 R)
• M8: 961,765 km (0.072 R)
• M9: 1,056,909 km (0.06 R)
• M10: 1,167,013 km (0.097 R)
• M11: 1,277,566 km (0.05 R)
• M12: 1,403,976 km (0.118 R)
• M13: 1,501,813 km (0.061 R)
• M14: 1,627,625 km (0.106 R)
• M15: 1,827,637 km (0.054 R)
• M16: 1,939,985 km (0.097 R)
• M17: 2,138,950 km (0.062 R)
• M18: 2,281,816 km (0.113 R)
• M19: 2,408,376 km (0.105 R)
• M20: 2,507,410 km (0.083 R)
• M21: 2,623,049 km (0.081 R)
• M22: 2,865,248 km (0.068 R)
• M23: 2,981,186 km (0.098 R)
• M24: 3,082,614 km (0.072 R)
• M25: 3,255,998 km (0.097 R)
• M26: 3,360,716 km (0.056 R)
• M27: 3,472,017 km (0.106 R)
• M28: 3,641,511 km (0.101 R)
• M29: 3,784,826 km (0.084 R)
• M30: 3,889,245 km (0.05 R)
• M31: 4,124,712 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.6

Radius: 14.2

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.8 AU - 1.06 AU

Year: 570 Days

Day: 9.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 32,454,924 km

• M1: 181,761 km (0.09 R)
• M2: 381,175 km (0.069 R)
• M3: 476,469 km (0.085 R)
• M4: 682,316 km (0.116 R)
• M5: 812,316 km (0.083 R)
• M6: 900,878 km (0.09 R)
• M7: 993,330 km (0.047 R)
• M8: 1,138,739 km (0.114 R)
• M9: 1,291,778 km (0.114 R)
• M10: 1,397,992 km (0.101 R)
• M11: 1,501,065 km (0.107 R)
• M12: 1,651,411 km (0.115 R)
• M13: 1,741,618 km (0.088 R)
• M14: 1,913,656 km (0.116 R)
• M15: 2,253,842 km (0.116 R)
• M16: 2,362,001 km (0.041 R)
• M17: 2,576,075 km (0.076 R)
• M18: 2,765,915 km (0.118 R)
• M19: 2,952,763 km (0.112 R)
• M20: 3,135,721 km (0.117 R)
• M21: 3,240,888 km (0.119 R)
• M22: 3,446,585 km (0.113 R)
• M23: 3,563,571 km (0.072 R)
• M24: 3,716,161 km (0.08 R)
• M25: 3,810,407 km (0.118 R)
• M26: 3,922,905 km (0.085 R)
• M27: 4,213,574 km (0.103 R)
• M28: 4,366,163 km (0.114 R)
• M29: 4,475,071 km (0.08 R)
• M30: 4,594,001 km (0.117 R)
• M31: 4,797,604 km (0.04 R)
• M32: 4,900,677 km (0.093 R)
• M33: 5,023,347 km (0.095 R)
• M34: 5,233,382 km (0.096 R)
• M35: 5,378,193 km (0.096 R)
• M36: 5,514,776 km (0.05 R)
• M37: 5,632,659 km (0.087 R)
• M38: 5,801,106 km (0.038 R)
• M39: 5,931,107 km (0.06 R)
• M40: 6,072,178 km (0.107 R)
• M41: 6,163,432 km (0.112 R)
• M42: 6,522,916 km (0.102 R)
• M43: 6,647,830 km (0.104 R)
• M44: 6,773,492 km (0.066 R)
• M45: 6,931,617 km (0.048 R)
• M46: 7,037,832 km (0.116 R)
• M47: 7,165,888 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.9

Radius: 10.1

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.1 AU - 1.14 AU

Year: 754 Days

Day: 12.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 162.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,454,924 km

• M1: 152,889 km (0.114 R)
• M2: 245,191 km (0.099 R)
• M3: 311,014 km (0.114 R)
• M4: 397,482 km (0.044 R)
• M5: 492,327 km (0.083 R)
• M6: 581,786 km (0.1 R)
• M7: 652,396 km (0.093 R)
• M8: 792,570 km (0.092 R)
• M9: 984,055 km (0.076 R)
• M10: 1,153,400 km (0.061 R)
• M11: 1,232,238 km (0.068 R)
• M12: 1,375,702 km (0.092 R)
• M13: 1,590,824 km (0.073 R)
• M14: 1,715,289 km (0.115 R)
• M15: 1,861,446 km (0.115 R)
• M16: 2,131,321 km (0.084 R)
• M17: 2,213,600 km (0.073 R)
• M18: 2,537,030 km (0.114 R)
• M19: 2,645,489 km (0.071 R)
• M20: 2,793,890 km (0.071 R)
• M21: 3,015,145 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.7

Radius: 14.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.54 AU - 5.5 AU

Year: 6110 Days

Day: 7.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 32,454,924 km

• M1: 352,602 km (0.038 R)
• M2: 510,877 km (0.108 R)
• M3: 904,170 km (0.104 R)
• M4: 1,020,407 km (0.103 R)
• M5: 1,142,180 km (0.05 R)
• M6: 1,415,196 km (0.082 R)
• M7: 1,525,001 km (0.076 R)
• M8: 1,857,706 km (0.098 R)
• M9: 2,087,339 km (0.117 R)
• M10: 2,694,557 km (0.113 R)
• M11: 2,832,935 km (0.109 R)
• M12: 2,991,658 km (0.092 R)
• M13: 3,318,081 km (0.101 R)
• M14: 3,656,172 km (0.082 R)
• M15: 3,986,035 km (0.09 R)
• M16: 4,571,113 km (0.094 R)
• M17: 4,926,856 km (0.107 R)
• M18: 5,075,856 km (0.086 R)
• M19: 5,776,871 km (0.096 R)
• M20: 6,578,716 km (0.063 R)
• M21: 6,672,514 km (0.118 R)
• M22: 6,861,606 km (0.038 R)
• M23: 7,148,684 km (0.057 R)
• M24: 7,269,559 km (0.111 R)
• M25: 8,361,773 km (0.059 R)
• M26: 8,617,137 km (0.082 R)
• M27: 8,849,312 km (0.068 R)
• M28: 9,161,972 km (0.118 R)
• M29: 9,478,521 km (0.111 R)
• M30: 9,878,995 km (0.094 R)
• M31: 10,067,937 km (0.104 R)
• M32: 10,203,622 km (0.111 R)
• M33: 10,421,885 km (0.093 R)
• M34: 10,531,690 km (0.109 R)
• M35: 10,669,320 km (0.093 R)
• M36: 10,780,023 km (0.111 R)
• M37: 11,198,149 km (0.078 R)
• M38: 11,310,646 km (0.06 R)
• M39: 11,707,230 km (0.104 R)
• M40: 11,907,243 km (0.089 R)
• M41: 12,514,011 km (0.107 R)
• M42: 12,777,154 km (0.105 R)
• M43: 13,517,813 km (0.115 R)
• M44: 13,667,561 km (0.051 R)
• M45: 14,608,830 km (0.097 R)
• M46: 14,886,035 km (0.07 R)
• M47: 15,040,720 km (0.073 R)
• M48: 15,539,628 km (0.099 R)
• M49: 15,728,122 km (0.08 R)
• M50: 15,917,363 km (0.09 R)
• M51: 16,043,923 km (0.114 R)
• M52: 16,585,617 km (0.108 R)
• M53: 17,523,595 km (0.078 R)
• M54: 17,654,344 km (0.093 R)
• M55: 18,279,813 km (0.104 R)
• M56: 18,611,920 km (0.054 R)
• M57: 18,745,361 km (0.057 R)
• M58: 18,845,592 km (0.107 R)
• M59: 19,315,927 km (0.093 R)
• M60: 20,371,041 km (0.106 R)
• M61: 20,474,114 km (0.053 R)
• M62: 20,957,614 km (0.051 R)
• M63: 21,166,004 km (0.11 R)
• M64: 21,340,136 km (0.099 R)
• M65: 21,900,679 km (0.111 R)
• M66: 22,041,601 km (0.102 R)
• M67: 22,182,821 km (0.1 R)
• M68: 22,501,614 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.7

Radius: 4.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.56 AU - 9.88 AU

Year: 14984 Days

Day: 24.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 32,454,924 km

• M1: 110,553 km (0.094 R)
• M2: 142,567 km (0.076 R)
• M3: 194,776 km (0.094 R)
• M4: 254,167 km (0.11 R)
• M5: 329,863 km (0.116 R)
• M6: 370,704 km (0.098 R)
• M7: 480,359 km (0.057 R)
• M8: 515,365 km (0.113 R)
• M9: 797,955 km (0.084 R)
• M10: 984,803 km (0.11 R)
• M11: 1,347,727 km (0.095 R)
• M12: 1,414,897 km (0.12 R)
• M13: 1,465,910 km (0.078 R)
• M14: 1,500,317 km (0.055 R)
• M15: 1,712,148 km (0.065 R)
• M16: 2,282,265 km (0.109 R)
• M17: 2,992,855 km (0.056 R)
• M18: 3,281,429 km (0.073 R)
• M19: 3,602,018 km (0.117 R)
• M20: 4,028,820 km (0.086 R)
• M21: 4,248,131 km (0.052 R)
• M22: 4,800,745 km (0.091 R)
• M23: 5,033,220 km (0.092 R)
• M24: 5,085,280 km (0.086 R)
• M25: 5,509,091 km (0.109 R)
• M26: 6,110,175 km (0.038 R)
• M27: 6,703,181 km (0.119 R)
• M28: 7,403,150 km (0.032 R)
• M29: 7,492,161 km (0.071 R)
• M30: 7,701,598 km (0.09 R)
• M31: 8,187,192 km (0.117 R)
• M32: 8,371,946 km (0.113 R)
• M33: 8,402,763 km (0.107 R)
• M34: 8,714,076 km (0.107 R)
• M35: 9,347,773 km (0.055 R)
• M36: 9,379,786 km (0.087 R)
• M37: 9,897,994 km (0.071 R)
• M38: 10,392,265 km (0.11 R)
• M39: 11,165,536 km (0.079 R)
• M40: 12,236,807 km (0.062 R)
• M41: 12,306,968 km (0.119 R)
• M42: 12,553,954 km (0.091 R)
• M43: 13,052,564 km (0.076 R)
• M44: 13,703,165 km (0.079 R)
• M45: 13,849,172 km (0.098 R)
• M46: 15,489,064 km (0.061 R)
• M47: 15,831,943 km (0.109 R)
• M48: 16,215,960 km (0.049 R)
• M49: 16,254,407 km (0.064 R)
• M50: 16,486,433 km (0.109 R)
• M51: 17,346,621 km (0.069 R)
• M52: 17,981,365 km (0.079 R)
• M53: 18,341,597 km (0.107 R)
• M54: 18,462,322 km (0.113 R)
• M55: 18,663,980 km (0.112 R)
• M56: 21,013,863 km (0.096 R)
• M57: 21,097,937 km (0.079 R)
• M58: 21,477,916 km (0.105 R)
• M59: 21,732,531 km (0.076 R)
• M60: 22,030,830 km (0.115 R)
• M61: 24,376,823 km (0.083 R)
• M62: 24,598,079 km (0.062 R)
• M63: 24,642,360 km (0.109 R)
• M64: 24,775,502 km (0.086 R)
• M65: 24,908,793 km (0.113 R)
• M66: 25,131,694 km (0.042 R)
• M67: 25,176,274 km (0.057 R)
• M68: 25,310,314 km (0.095 R)
• M69: 25,624,170 km (0.066 R)
• M70: 25,849,016 km (0.075 R)
• M71: 26,482,264 km (0.056 R)
• M72: 26,664,175 km (0.074 R)
• M73: 27,212,301 km (0.101 R)
• M74: 27,441,785 km (0.053 R)
• M75: 28,925,496 km (0.089 R)
• M76: 29,018,995 km (0.074 R)
• M77: 29,253,564 km (0.105 R)
• M78: 30,482,661 km (0.091 R)
• M79: 30,625,526 km (0.111 R)
• M80: 30,864,285 km (0.104 R)
• M81: 31,343,447 km (0.085 R)
• M82: 31,584,000 km (0.063 R)
• M83: 32,212,162 km (0.115 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 11,199 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit