🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.46 AU - 0.6 AU

Year: 144 Days

Day: 14.6 Hours

Environment

Temp: 182 °C

Axial Tilt: 5.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,028,039 km

• M1: 185,352 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.24 AU - 1.42 AU

Year: 572 Days

Day: 20.3 Hours

Environment

Temp: -21 °C

Axial Tilt: 23.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,028,039 km

• M1: 1,190,051 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.41 AU - 1.69 AU

Year: 719 Days

Day: 40 Hours

Environment

Temp: -47 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,028,039 km

• M1: 790,176 km (0.103 R)
• M2: 879,037 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.21 AU - 2.75 AU

Year: 1456 Days

Day: 17.8 Hours

Environment

Temp: -99 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.91 AU - 4.73 AU

Year: 2783 Days

Day: 41.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,028,039 km

• M1: 30,967 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.2

Radius: 11.6

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 10.08 AU - 10.62 AU

Year: 12413 Days

Day: 12.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 37,028,039 km

• M1: 172,038 km (0.105 R)
• M2: 254,167 km (0.059 R)
• M3: 326,423 km (0.088 R)
• M4: 536,159 km (0.099 R)
• M5: 793,617 km (0.114 R)
• M6: 1,423,274 km (0.115 R)
• M7: 1,706,912 km (0.072 R)
• M8: 1,980,676 km (0.095 R)
• M9: 2,328,192 km (0.066 R)
• M10: 2,570,690 km (0.119 R)
• M11: 2,917,757 km (0.094 R)
• M12: 3,213,063 km (0.056 R)
• M13: 4,526,532 km (0.099 R)
• M14: 4,984,900 km (0.114 R)
• M15: 5,101,886 km (0.099 R)
• M16: 5,946,067 km (0.077 R)
• M17: 6,490,453 km (0.103 R)
• M18: 6,575,574 km (0.099 R)
• M19: 6,704,079 km (0.106 R)
• M20: 7,852,392 km (0.087 R)
• M21: 8,310,311 km (0.117 R)
• M22: 8,965,849 km (0.078 R)
• M23: 9,108,566 km (0.067 R)
• M24: 10,128,225 km (0.049 R)
• M25: 10,276,925 km (0.038 R)
• M26: 11,132,924 km (0.098 R)
• M27: 11,492,108 km (0.05 R)
• M28: 11,750,913 km (0.092 R)
• M29: 13,507,491 km (0.091 R)
• M30: 16,205,489 km (0.114 R)
• M31: 17,913,896 km (0.117 R)
• M32: 18,274,577 km (0.084 R)
• M33: 18,698,238 km (0.112 R)
• M34: 18,880,897 km (0.106 R)
• M35: 19,125,340 km (0.074 R)
• M36: 19,679,001 km (0.05 R)
• M37: 19,988,968 km (0.068 R)
• M38: 20,238,049 km (0.075 R)
• M39: 20,928,293 km (0.077 R)
• M40: 21,371,701 km (0.099 R)
• M41: 21,498,860 km (0.074 R)
• M42: 23,175,852 km (0.106 R)
• M43: 24,760,841 km (0.115 R)
• M44: 26,380,687 km (0.088 R)
• M45: 26,928,215 km (0.114 R)
• M46: 27,272,290 km (0.114 R)
• M47: 28,034,491 km (0.074 R)
• M48: 28,453,216 km (0.104 R)
• M49: 33,784,585 km (0.103 R)
• M50: 35,127,226 km (0.119 R)
• M51: 35,427,917 km (0.091 R)
• M52: 36,183,387 km (0.11 R)
• M53: 36,639,211 km (0.11 R)
• M54: 37,479,951 km (0.07 R)
• M55: 37,556,695 km (0.07 R)
• M56: 38,018,204 km (0.1 R)
• M57: 38,559,150 km (0.062 R)
• M58: 38,947,058 km (0.073 R)
• M59: 39,336,162 km (0.086 R)
• M60: 39,726,762 km (0.084 R)
• M61: 40,669,079 km (0.101 R)
• M62: 40,748,066 km (0.078 R)
• M63: 42,656,038 km (0.103 R)
• M64: 43,137,593 km (0.101 R)
• M65: 43,540,311 km (0.032 R)
• M66: 44,430,568 km (0.073 R)
• M67: 44,593,180 km (0.096 R)
• M68: 48,719,987 km (0.072 R)
• M69: 48,803,762 km (0.112 R)
• M70: 49,559,830 km (0.099 R)
• M71: 51,424,418 km (0.115 R)
• M72: 51,936,940 km (0.073 R)
• M73: 52,193,949 km (0.095 R)
• M74: 54,090,701 km (0.062 R)
• M75: 55,571,719 km (0.086 R)
• M76: 56,977,939 km (0.063 R)
• M77: 57,774,099 km (0.077 R)
• M78: 58,841,181 km (0.054 R)
• M79: 59,377,340 km (0.096 R)
• M80: 59,466,799 km (0.052 R)
• M81: 59,735,477 km (0.05 R)
• M82: 60,004,753 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.3

Radius: 10.7

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 10.07 AU - 10.71 AU

Year: 12485 Days

Day: 8.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 37,028,039 km

• M1: 146,606 km (0.114 R)
• M2: 299,944 km (0.085 R)
• M3: 384,018 km (0.086 R)
• M4: 561,590 km (0.097 R)
• M5: 1,041,351 km (0.092 R)
• M6: 1,611,767 km (0.117 R)
• M7: 1,793,379 km (0.061 R)
• M8: 2,760,679 km (0.056 R)
• M9: 3,265,871 km (0.099 R)
• M10: 3,954,321 km (0.12 R)
• M11: 4,246,784 km (0.065 R)
• M12: 4,407,153 km (0.1 R)
• M13: 4,805,084 km (0.063 R)
• M14: 5,990,647 km (0.047 R)
• M15: 6,196,793 km (0.117 R)
• M16: 6,274,733 km (0.086 R)
• M17: 6,856,070 km (0.1 R)
• M18: 7,648,640 km (0.076 R)
• M19: 8,155,178 km (0.094 R)
• M20: 8,240,599 km (0.074 R)
• M21: 9,023,594 km (0.09 R)
• M22: 9,171,097 km (0.106 R)
• M23: 9,289,878 km (0.097 R)
• M24: 9,588,775 km (0.093 R)
• M25: 11,575,734 km (0.087 R)
• M26: 12,254,758 km (0.056 R)
• M27: 12,516,854 km (0.094 R)
• M28: 12,979,859 km (0.103 R)
• M29: 13,113,301 km (0.061 R)
• M30: 13,415,039 km (0.092 R)
• M31: 13,854,857 km (0.117 R)
• M32: 14,162,131 km (0.083 R)
• M33: 14,230,797 km (0.052 R)
• M34: 14,610,027 km (0.081 R)
• M35: 14,714,147 km (0.1 R)
• M36: 14,922,986 km (0.116 R)
• M37: 16,196,213 km (0.083 R)
• M38: 17,173,985 km (0.096 R)
• M39: 17,393,894 km (0.094 R)
• M40: 17,947,705 km (0.078 R)
• M41: 18,170,905 km (0.115 R)
• M42: 18,619,849 km (0.115 R)
• M43: 21,233,024 km (0.072 R)
• M44: 22,341,993 km (0.052 R)
• M45: 23,510,353 km (0.088 R)
• M46: 23,754,646 km (0.103 R)
• M47: 24,040,527 km (0.114 R)
• M48: 24,122,507 km (0.069 R)
• M49: 25,362,524 km (0.115 R)
• M50: 27,090,379 km (0.069 R)
• M51: 27,775,089 km (0.06 R)
• M52: 28,812,699 km (0.062 R)
• M53: 28,899,616 km (0.12 R)
• M54: 29,161,263 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687.3

Radius: 5.3

Gravity: 24.47 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 11.37 AU - 12.97 AU

Year: 15827 Days

Day: 19.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 37,028,039 km

• M1: 141,071 km (0.084 R)
• M2: 456,124 km (0.103 R)
• M3: 510,578 km (0.109 R)
• M4: 793,766 km (0.095 R)
• M5: 1,022,801 km (0.053 R)
• M6: 1,271,582 km (0.094 R)
• M7: 1,430,006 km (0.113 R)
• M8: 1,484,160 km (0.065 R)
• M9: 1,707,809 km (0.114 R)
• M10: 2,032,736 km (0.064 R)
• M11: 2,093,921 km (0.109 R)
• M12: 2,376,661 km (0.075 R)
• M13: 2,638,009 km (0.095 R)
• M14: 2,671,369 km (0.069 R)
• M15: 2,943,189 km (0.106 R)
• M16: 3,047,309 km (0.05 R)
• M17: 4,271,618 km (0.102 R)
• M18: 4,996,419 km (0.105 R)
• M19: 5,457,779 km (0.036 R)
• M20: 6,108,679 km (0.089 R)
• M21: 6,556,127 km (0.098 R)
• M22: 8,846,769 km (0.081 R)
• M23: 10,180,584 km (0.096 R)
• M24: 10,978,240 km (0.12 R)
• M25: 11,140,105 km (0.055 R)
• M26: 11,466,378 km (0.077 R)
• M27: 11,630,636 km (0.107 R)
• M28: 12,802,436 km (0.092 R)
• M29: 13,086,971 km (0.053 R)
• M30: 13,373,601 km (0.106 R)
• M31: 13,546,536 km (0.08 R)
• M32: 13,836,457 km (0.068 R)
• M33: 14,245,607 km (0.066 R)
• M34: 14,304,548 km (0.104 R)
• M35: 15,076,174 km (0.075 R)
• M36: 15,316,279 km (0.065 R)
• M37: 16,535,950 km (0.091 R)
• M38: 16,721,601 km (0.117 R)
• M39: 17,660,178 km (0.1 R)
• M40: 17,976,727 km (0.11 R)
• M41: 18,295,221 km (0.12 R)
• M42: 19,067,296 km (0.092 R)
• M43: 19,196,997 km (0.098 R)
• M44: 20,643,010 km (0.115 R)
• M45: 21,043,334 km (0.042 R)
• M46: 22,533,329 km (0.111 R)
• M47: 22,601,845 km (0.075 R)
• M48: 23,221,778 km (0.071 R)
• M49: 23,360,306 km (0.089 R)
• M50: 24,760,542 km (0.074 R)
• M51: 24,831,302 km (0.111 R)
• M52: 24,902,062 km (0.084 R)
• M53: 24,972,971 km (0.118 R)
• M54: 25,043,880 km (0.103 R)
• M55: 25,328,266 km (0.077 R)
• M56: 26,187,855 km (0.069 R)
• M57: 27,714,950 km (0.061 R)
• M58: 28,748,821 km (0.095 R)
• M59: 28,823,171 km (0.115 R)
• M60: 29,046,671 km (0.113 R)
• M61: 29,195,820 km (0.112 R)
• M62: 30,247,792 km (0.051 R)
• M63: 30,778,416 km (0.111 R)
• M64: 31,312,031 km (0.092 R)
• M65: 32,234,003 km (0.071 R)
• M66: 33,399,071 km (0.112 R)
• M67: 33,790,419 km (0.119 R)
• M68: 34,656,890 km (0.102 R)
• M69: 35,211,898 km (0.098 R)
• M70: 35,770,048 km (0.073 R)
• M71: 36,652,974 km (0.097 R)
• M72: 37,056,589 km (0.109 R)
• M73: 37,542,932 km (0.065 R)
• M74: 37,868,307 km (0.098 R)
• M75: 38,604,030 km (0.094 R)
• M76: 39,923,333 km (0.052 R)
• M77: 41,173,523 km (0.115 R)
• M78: 42,352,055 km (0.107 R)
• M79: 42,436,727 km (0.096 R)
• M80: 42,521,250 km (0.052 R)
• M81: 42,775,566 km (0.114 R)
• M82: 43,285,695 km (0.05 R)
• M83: 43,541,507 km (0.12 R)
• M84: 45,519,490 km (0.05 R)
• M85: 47,614,459 km (0.097 R)
• M86: 48,939,747 km (0.102 R)
• M87: 51,445,810 km (0.105 R)
• M88: 52,805,356 km (0.089 R)
• M89: 53,169,926 km (0.095 R)
• M90: 55,467,300 km (0.067 R)
• M91: 55,559,901 km (0.088 R)
• M92: 55,837,854 km (0.089 R)
• M93: 57,796,838 km (0.06 R)
• M94: 58,831,906 km (0.113 R)
• M95: 59,873,107 km (0.119 R)
• M96: 62,647,250 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.1

Radius: 5.5

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 11.77 AU - 13.85 AU

Year: 17091 Days

Day: 23.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 37,028,039 km

• M1: 105,317 km (0.039 R)
• M2: 150,346 km (0.115 R)
• M3: 300,093 km (0.049 R)
• M4: 611,556 km (0.088 R)
• M5: 752,926 km (0.062 R)
• M6: 873,502 km (0.091 R)
• M7: 1,254,677 km (0.091 R)
• M8: 1,398,441 km (0.071 R)
• M9: 1,509,742 km (0.09 R)
• M10: 1,840,951 km (0.026 R)
• M11: 2,367,536 km (0.11 R)
• M12: 2,636,214 km (0.11 R)
• M13: 2,774,143 km (0.038 R)
• M14: 2,914,466 km (0.095 R)
• M15: 3,081,118 km (0.079 R)
• M16: 3,202,142 km (0.052 R)
• M17: 3,399,013 km (0.112 R)
• M18: 3,574,492 km (0.087 R)
• M19: 3,650,637 km (0.114 R)
• M20: 3,727,231 km (0.113 R)
• M21: 3,804,423 km (0.078 R)
• M22: 3,908,244 km (0.049 R)
• M23: 4,278,798 km (0.111 R)
• M24: 5,110,263 km (0.103 R)
• M25: 5,167,559 km (0.043 R)
• M26: 5,515,075 km (0.094 R)
• M27: 5,721,371 km (0.119 R)
• M28: 6,141,441 km (0.113 R)
• M29: 6,355,217 km (0.111 R)
• M30: 6,478,485 km (0.093 R)
• M31: 6,602,652 km (0.088 R)
• M32: 7,395,670 km (0.102 R)
• M33: 7,655,821 km (0.083 R)
• M34: 7,819,929 km (0.064 R)
• M35: 8,118,228 km (0.119 R)
• M36: 8,589,760 km (0.12 R)
• M37: 8,726,044 km (0.079 R)
• M38: 8,794,560 km (0.114 R)
• M39: 8,966,448 km (0.113 R)
• M40: 9,313,515 km (0.056 R)
• M41: 9,348,521 km (0.118 R)
• M42: 9,383,526 km (0.067 R)
• M43: 10,381,045 km (0.1 R)
• M44: 10,489,952 km (0.104 R)
• M45: 10,855,569 km (0.1 R)
• M46: 11,674,618 km (0.073 R)
• M47: 11,901,408 km (0.119 R)
• M48: 11,939,406 km (0.085 R)
• M49: 12,244,436 km (0.118 R)
• M50: 13,292,668 km (0.042 R)
• M51: 13,411,000 km (0.069 R)
• M52: 14,329,082 km (0.119 R)
• M53: 16,015,499 km (0.092 R)
• M54: 16,393,982 km (0.069 R)
• M55: 16,690,485 km (0.054 R)
• M56: 17,074,203 km (0.107 R)
• M57: 17,850,317 km (0.051 R)
• M58: 17,893,850 km (0.099 R)
• M59: 18,111,665 km (0.075 R)
• M60: 18,155,347 km (0.07 R)
• M61: 18,199,030 km (0.099 R)
• M62: 18,330,377 km (0.11 R)
• M63: 19,347,642 km (0.082 R)
• M64: 19,795,688 km (0.066 R)
• M65: 20,519,592 km (0.092 R)
• M66: 20,838,983 km (0.087 R)
• M67: 21,760,656 km (0.064 R)
• M68: 21,853,556 km (0.111 R)
• M69: 23,025,955 km (0.067 R)
• M70: 23,357,763 km (0.11 R)
• M71: 23,930,423 km (0.092 R)
• M72: 25,529,026 km (0.097 R)
• M73: 25,921,721 km (0.108 R)
• M74: 26,613,760 km (0.085 R)
• M75: 26,812,576 km (0.066 R)
• M76: 27,763,869 km (0.104 R)
• M77: 28,167,633 km (0.111 R)
• M78: 28,319,625 km (0.062 R)
• M79: 28,726,082 km (0.061 R)
• M80: 29,853,901 km (0.076 R)
• M81: 31,782,965 km (0.048 R)
• M82: 31,835,773 km (0.085 R)
• M83: 32,682,796 km (0.117 R)
• M84: 33,859,683 km (0.072 R)
• M85: 34,778,513 km (0.097 R)
• M86: 36,034,686 km (0.086 R)
• M87: 36,530,154 km (0.099 R)
• M88: 36,640,707 km (0.06 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 12,810 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit