🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.86 AU - 1.14 AU

Year: 351 Days

Day: 27.1 Hours

Environment

Temp: 114 °C

Axial Tilt: 177.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.05 AU - 1.09 AU

Year: 389 Days

Day: 30.7 Hours

Environment

Temp: 78 °C

Axial Tilt: 45.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.08 AU - 1.3 AU

Year: 456 Days

Day: 12.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 26.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 63,733,775 km

• M1: 149,448 km (0.119 R)
• M2: 214,374 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.07 AU - 5.33 AU

Year: 4168 Days

Day: 31.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.6

Radius: 13.2

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.83 AU - 7.99 AU

Year: 7089 Days

Day: 14.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 63,733,775 km

• M1: 195,824 km (0.099 R)
• M2: 1,301,801 km (0.115 R)
• M3: 1,517,072 km (0.093 R)
• M4: 1,803,103 km (0.086 R)
• M5: 2,044,704 km (0.071 R)
• M6: 2,211,805 km (0.11 R)
• M7: 2,627,088 km (0.06 R)
• M8: 3,115,076 km (0.066 R)
• M9: 3,382,109 km (0.036 R)
• M10: 3,505,976 km (0.061 R)
• M11: 3,784,078 km (0.1 R)
• M12: 4,122,020 km (0.059 R)
• M13: 4,524,438 km (0.108 R)
• M14: 4,661,320 km (0.11 R)
• M15: 5,109,066 km (0.087 R)
• M16: 5,280,506 km (0.106 R)
• M17: 5,424,868 km (0.113 R)
• M18: 5,717,631 km (0.059 R)
• M19: 6,349,382 km (0.073 R)
• M20: 6,595,920 km (0.119 R)
• M21: 6,908,579 km (0.04 R)
• M22: 7,098,569 km (0.036 R)
• M23: 7,711,770 km (0.095 R)
• M24: 8,476,664 km (0.091 R)
• M25: 9,161,523 km (0.043 R)
• M26: 9,335,506 km (0.085 R)
• M27: 10,006,901 km (0.092 R)
• M28: 10,330,331 km (0.064 R)
• M29: 11,396,216 km (0.037 R)
• M30: 12,304,574 km (0.107 R)
• M31: 12,458,211 km (0.111 R)
• M32: 12,962,057 km (0.095 R)
• M33: 13,670,852 km (0.088 R)
• M34: 13,909,909 km (0.117 R)
• M35: 14,150,313 km (0.116 R)
• M36: 14,311,280 km (0.074 R)
• M37: 14,513,537 km (0.05 R)
• M38: 14,757,381 km (0.036 R)
• M39: 15,290,548 km (0.103 R)
• M40: 15,913,623 km (0.116 R)
• M41: 16,291,358 km (0.098 R)
• M42: 16,417,918 km (0.11 R)
• M43: 17,055,952 km (0.081 R)
• M44: 17,270,326 km (0.107 R)
• M45: 17,658,682 km (0.052 R)
• M46: 17,788,683 km (0.111 R)
• M47: 18,268,294 km (0.043 R)
• M48: 18,531,735 km (0.115 R)
• M49: 19,195,950 km (0.095 R)
• M50: 19,553,339 km (0.068 R)
• M51: 19,642,948 km (0.12 R)
• M52: 19,867,794 km (0.066 R)
• M53: 20,138,716 km (0.117 R)
• M54: 20,547,567 km (0.11 R)
• M55: 20,913,184 km (0.103 R)
• M56: 21,234,819 km (0.047 R)
• M57: 21,326,972 km (0.104 R)
• M58: 22,444,019 km (0.087 R)
• M59: 23,199,189 km (0.089 R)
• M60: 23,962,737 km (0.098 R)
• M61: 25,514,515 km (0.101 R)
• M62: 25,907,509 km (0.056 R)
• M63: 27,349,034 km (0.105 R)
• M64: 27,499,679 km (0.071 R)
• M65: 27,650,474 km (0.085 R)
• M66: 28,561,674 km (0.095 R)
• M67: 28,765,427 km (0.1 R)
• M68: 29,020,940 km (0.095 R)
• M69: 29,688,595 km (0.088 R)
• M70: 29,843,429 km (0.112 R)
• M71: 30,205,605 km (0.06 R)
• M72: 30,465,307 km (0.055 R)
• M73: 30,777,817 km (0.109 R)
• M74: 31,827,396 km (0.107 R)
• M75: 32,569,102 km (0.109 R)
• M76: 34,177,578 km (0.076 R)
• M77: 34,882,484 km (0.1 R)
• M78: 35,428,217 km (0.095 R)
• M79: 35,756,883 km (0.106 R)
• M80: 36,693,665 km (0.115 R)
• M81: 36,915,369 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457

Radius: 8.1

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.28 AU - 11.1 AU

Year: 9792 Days

Day: 14.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 63,733,775 km

• M1: 192,084 km (0.054 R)
• M2: 575,204 km (0.12 R)
• M3: 752,178 km (0.052 R)
• M4: 1,139,786 km (0.035 R)
• M5: 1,665,623 km (0.103 R)
• M6: 1,728,454 km (0.101 R)
• M7: 2,446,374 km (0.095 R)
• M8: 2,590,586 km (0.109 R)
• M9: 3,566,712 km (0.034 R)
• M10: 4,150,743 km (0.059 R)
• M11: 4,380,974 km (0.106 R)
• M12: 4,527,131 km (0.08 R)
• M13: 4,734,324 km (0.105 R)
• M14: 5,912,856 km (0.064 R)
• M15: 6,107,034 km (0.078 R)
• M16: 6,435,102 km (0.047 R)
• M17: 7,280,629 km (0.104 R)
• M18: 7,384,300 km (0.118 R)
• M19: 7,981,944 km (0.09 R)
• M20: 8,413,085 km (0.111 R)
• M21: 8,485,640 km (0.086 R)
• M22: 8,594,846 km (0.118 R)
• M23: 8,778,104 km (0.086 R)
• M24: 8,925,607 km (0.098 R)
• M25: 9,410,604 km (0.064 R)
• M26: 9,827,683 km (0.091 R)
• M27: 10,096,360 km (0.075 R)
• M28: 10,406,177 km (0.061 R)
• M29: 12,371,894 km (0.116 R)
• M30: 13,673,245 km (0.049 R)
• M31: 13,887,170 km (0.101 R)
• M32: 14,535,677 km (0.055 R)
• M33: 14,797,922 km (0.068 R)
• M34: 14,885,736 km (0.057 R)
• M35: 15,282,619 km (0.093 R)
• M36: 15,772,552 km (0.102 R)
• M37: 15,907,190 km (0.057 R)
• M38: 17,458,221 km (0.11 R)
• M39: 18,629,273 km (0.119 R)
• M40: 18,723,969 km (0.1 R)
• M41: 19,296,031 km (0.088 R)
• M42: 19,487,965 km (0.081 R)
• M43: 20,164,746 km (0.07 R)
• M44: 20,898,523 km (0.111 R)
• M45: 20,996,959 km (0.07 R)
• M46: 21,491,679 km (0.07 R)
• M47: 22,341,694 km (0.118 R)
• M48: 22,796,023 km (0.072 R)
• M49: 22,846,736 km (0.077 R)
• M50: 22,948,164 km (0.066 R)
• M51: 22,999,027 km (0.115 R)
• M52: 23,457,844 km (0.114 R)
• M53: 23,765,417 km (0.043 R)
• M54: 23,971,114 km (0.095 R)
• M55: 24,022,725 km (0.034 R)
• M56: 24,696,065 km (0.115 R)
• M57: 25,008,874 km (0.054 R)
• M58: 25,323,030 km (0.097 R)
• M59: 25,743,998 km (0.048 R)
• M60: 25,796,806 km (0.089 R)
• M61: 25,955,380 km (0.057 R)
• M62: 26,220,318 km (0.044 R)
• M63: 26,273,425 km (0.093 R)
• M64: 26,913,555 km (0.067 R)
• M65: 27,774,939 km (0.112 R)
• M66: 28,919,213 km (0.071 R)
• M67: 29,912,244 km (0.043 R)
• M68: 30,748,346 km (0.12 R)
• M69: 31,141,190 km (0.111 R)
• M70: 31,197,439 km (0.119 R)
• M71: 31,648,626 km (0.056 R)
• M72: 31,988,513 km (0.099 R)
• M73: 33,879,131 km (0.106 R)
• M74: 33,937,025 km (0.1 R)
• M75: 34,052,814 km (0.081 R)
• M76: 35,335,316 km (0.1 R)
• M77: 35,511,543 km (0.044 R)
• M78: 35,805,652 km (0.103 R)
• M79: 35,982,626 km (0.06 R)
• M80: 36,337,323 km (0.085 R)
• M81: 36,574,286 km (0.086 R)
• M82: 36,990,467 km (0.086 R)
• M83: 37,467,983 km (0.111 R)
• M84: 38,368,862 km (0.12 R)
• M85: 39,094,711 km (0.117 R)
• M86: 40,130,826 km (0.093 R)
• M87: 40,621,507 km (0.099 R)
• M88: 40,805,961 km (0.082 R)
• M89: 41,175,767 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.1

Radius: 7.4

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 17.13 AU - 23.71 AU

Year: 32431 Days

Day: 22.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 63,733,775 km

• M1: 258,655 km (0.113 R)
• M2: 390,151 km (0.096 R)
• M3: 699,520 km (0.098 R)
• M4: 1,586,485 km (0.1 R)
• M5: 1,697,038 km (0.041 R)
• M6: 1,810,284 km (0.106 R)
• M7: 1,926,222 km (0.111 R)
• M8: 2,770,702 km (0.076 R)
• M9: 3,213,811 km (0.091 R)
• M10: 3,497,449 km (0.027 R)
• M11: 4,013,262 km (0.064 R)
• M12: 4,552,862 km (0.028 R)
• M13: 5,238,469 km (0.071 R)
• M14: 6,260,372 km (0.095 R)
• M15: 6,614,470 km (0.082 R)
• M16: 7,621,563 km (0.05 R)
• M17: 7,762,634 km (0.036 R)
• M18: 8,724,697 km (0.086 R)
• M19: 8,971,085 km (0.052 R)
• M20: 9,673,298 km (0.105 R)
• M21: 10,654,211 km (0.084 R)
• M22: 10,706,720 km (0.106 R)
• M23: 11,397,114 km (0.065 R)
• M24: 11,612,385 km (0.094 R)
• M25: 12,211,525 km (0.12 R)
• M26: 12,321,479 km (0.09 R)
• M27: 12,932,437 km (0.096 R)
• M28: 13,100,734 km (0.054 R)
• M29: 15,058,821 km (0.12 R)
• M30: 15,354,426 km (0.08 R)
• M31: 15,473,207 km (0.094 R)
• M32: 15,831,344 km (0.115 R)
• M33: 16,313,199 km (0.107 R)
• M34: 16,434,373 km (0.095 R)
• M35: 17,476,622 km (0.1 R)
• M36: 17,600,638 km (0.105 R)
• M37: 17,662,871 km (0.11 R)
• M38: 18,288,040 km (0.075 R)
• M39: 18,666,673 km (0.034 R)
• M40: 18,920,540 km (0.034 R)
• M41: 21,124,117 km (0.063 R)
• M42: 22,390,613 km (0.095 R)
• M43: 22,931,110 km (0.081 R)
• M44: 23,612,827 km (0.075 R)
• M45: 23,887,489 km (0.09 R)
• M46: 24,025,119 km (0.107 R)
• M47: 24,509,068 km (0.053 R)
• M48: 26,121,733 km (0.089 R)
• M49: 26,619,296 km (0.059 R)
• M50: 27,335,570 km (0.044 R)
• M51: 27,623,995 km (0.066 R)
• M52: 28,203,537 km (0.117 R)
• M53: 29,522,242 km (0.074 R)
• M54: 30,040,599 km (0.099 R)
• M55: 30,337,999 km (0.077 R)
• M56: 30,860,994 km (0.083 R)
• M57: 31,085,989 km (0.116 R)
• M58: 31,161,236 km (0.116 R)
• M59: 31,386,980 km (0.105 R)
• M60: 31,840,112 km (0.082 R)
• M61: 32,143,496 km (0.078 R)
• M62: 33,366,309 km (0.105 R)
• M63: 33,443,352 km (0.093 R)
• M64: 33,674,481 km (0.106 R)
• M65: 37,764,636 km (0.065 R)
• M66: 38,488,391 km (0.116 R)
• M67: 40,851,139 km (0.055 R)
• M68: 41,180,853 km (0.088 R)
• M69: 42,925,613 km (0.11 R)
• M70: 47,003,352 km (0.086 R)
• M71: 47,348,624 km (0.099 R)
• M72: 48,389,825 km (0.095 R)
• M73: 48,476,891 km (0.062 R)
• M74: 49,087,998 km (0.118 R)
• M75: 50,406,255 km (0.037 R)
• M76: 51,825,190 km (0.093 R)
• M77: 52,003,511 km (0.046 R)
• M78: 52,897,957 km (0.026 R)
• M79: 54,520,944 km (0.1 R)
• M80: 54,702,257 km (0.105 R)
• M81: 55,156,436 km (0.107 R)
• M82: 56,893,716 km (0.104 R)
• M83: 56,985,718 km (0.032 R)
• M84: 57,077,721 km (0.115 R)
• M85: 57,261,876 km (0.098 R)
• M86: 58,741,848 km (0.052 R)
• M87: 60,703,525 km (0.078 R)
• M88: 62,212,518 km (0.116 R)
• M89: 63,257,011 km (0.114 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 14,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit