🌌 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: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.49 AU - 0.77 AU

Year: 218 Days

Day: 27.3 Hours

Environment

Temp: 8 °C

Axial Tilt: 24.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 49,356,408 km

• M1: 103,372 km (0.096 R)
• M2: 335,099 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.74 AU - 0.78 AU

Year: 289 Days

Day: 17.7 Hours

Environment

Temp: -39 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,356,408 km

• M1: 230,680 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.68 AU - 0.9 AU

Year: 307 Days

Day: 22.7 Hours

Environment

Temp: -42 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,356,408 km

• M1: 140,173 km (0.061 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.4 AU - 1.72 AU

Year: 851 Days

Day: 40.3 Hours

Environment

Temp: -95 °C

Axial Tilt: 106.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.45 AU - 1.77 AU

Year: 892 Days

Day: 20.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,356,408 km

• M1: 799,601 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.4

Radius: 10.8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.64 AU - 3.98 AU

Year: 3247 Days

Day: 7.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 49,356,408 km

• M1: 143,764 km (0.114 R)
• M2: 309,518 km (0.112 R)
• M3: 739,462 km (0.113 R)
• M4: 964,308 km (0.101 R)
• M5: 1,168,958 km (0.048 R)
• M6: 1,316,312 km (0.111 R)
• M7: 1,406,070 km (0.103 R)
• M8: 1,498,073 km (0.039 R)
• M9: 1,926,970 km (0.094 R)
• M10: 2,061,010 km (0.113 R)
• M11: 2,145,084 km (0.078 R)
• M12: 2,219,584 km (0.104 R)
• M13: 2,316,673 km (0.068 R)
• M14: 2,639,654 km (0.089 R)
• M15: 2,777,434 km (0.091 R)
• M16: 2,847,296 km (0.109 R)
• M17: 2,976,998 km (0.1 R)
• M18: 3,834,792 km (0.064 R)
• M19: 4,257,406 km (0.086 R)
• M20: 4,919,376 km (0.099 R)
• M21: 5,276,915 km (0.096 R)
• M22: 5,393,003 km (0.098 R)
• M23: 5,495,478 km (0.116 R)
• M24: 6,291,787 km (0.115 R)
• M25: 6,492,548 km (0.088 R)
• M26: 6,601,604 km (0.087 R)
• M27: 6,996,094 km (0.058 R)
• M28: 7,156,014 km (0.059 R)
• M29: 7,659,561 km (0.101 R)
• M30: 8,564,029 km (0.066 R)
• M31: 8,873,099 km (0.105 R)
• M32: 9,220,764 km (0.084 R)
• M33: 9,484,505 km (0.111 R)
• M34: 10,637,456 km (0.09 R)
• M35: 11,025,363 km (0.047 R)
• M36: 11,361,659 km (0.106 R)
• M37: 11,493,305 km (0.08 R)
• M38: 11,796,241 km (0.075 R)
• M39: 12,044,274 km (0.081 R)
• M40: 12,448,637 km (0.085 R)
• M41: 12,681,711 km (0.081 R)
• M42: 12,955,475 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.9

Radius: 5.9

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.69 AU - 11.53 AU

Year: 14034 Days

Day: 18.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 49,356,408 km

• M1: 84,822 km (0.12 R)
• M2: 156,928 km (0.104 R)
• M3: 242,498 km (0.096 R)
• M4: 451,038 km (0.049 R)
• M5: 522,246 km (0.114 R)
• M6: 566,826 km (0.112 R)
• M7: 708,944 km (0.105 R)
• M8: 1,007,841 km (0.112 R)
• M9: 1,161,328 km (0.046 R)
• M10: 1,405,622 km (0.051 R)
• M11: 1,447,958 km (0.116 R)
• M12: 1,512,135 km (0.084 R)
• M13: 1,665,772 km (0.057 R)
• M14: 2,132,518 km (0.119 R)
• M15: 2,181,436 km (0.06 R)
• M16: 2,230,654 km (0.11 R)
• M17: 2,355,269 km (0.115 R)
• M18: 2,559,620 km (0.057 R)
• M19: 2,849,839 km (0.09 R)
• M20: 2,985,226 km (0.086 R)
• M21: 3,518,991 km (0.079 R)
• M22: 4,234,667 km (0.102 R)
• M23: 4,832,460 km (0.042 R)
• M24: 6,209,957 km (0.119 R)
• M25: 7,142,102 km (0.069 R)
• M26: 8,002,439 km (0.064 R)
• M27: 8,895,239 km (0.036 R)
• M28: 9,494,229 km (0.086 R)
• M29: 9,778,315 km (0.099 R)
• M30: 10,479,780 km (0.036 R)
• M31: 10,563,255 km (0.116 R)
• M32: 11,111,980 km (0.104 R)
• M33: 11,756,597 km (0.045 R)
• M34: 12,501,744 km (0.093 R)
• M35: 13,533,970 km (0.064 R)
• M36: 14,874,067 km (0.111 R)
• M37: 15,583,610 km (0.088 R)
• M38: 15,726,925 km (0.074 R)
• M39: 15,966,581 km (0.036 R)
• M40: 16,159,263 km (0.062 R)
• M41: 16,546,871 km (0.113 R)
• M42: 17,134,043 km (0.077 R)
• M43: 18,936,098 km (0.11 R)
• M44: 19,191,013 km (0.116 R)
• M45: 20,692,377 km (0.108 R)
• M46: 21,271,770 km (0.063 R)
• M47: 21,802,992 km (0.105 R)
• M48: 21,963,211 km (0.117 R)
• M49: 22,016,767 km (0.12 R)
• M50: 22,716,137 km (0.059 R)
• M51: 22,878,601 km (0.119 R)
• M52: 23,204,724 km (0.114 R)
• M53: 23,806,407 km (0.107 R)
• M54: 24,081,667 km (0.096 R)
• M55: 24,192,070 km (0.102 R)
• M56: 24,468,677 km (0.099 R)
• M57: 24,746,480 km (0.073 R)
• M58: 25,642,272 km (0.113 R)
• M59: 26,548,685 km (0.062 R)
• M60: 26,719,676 km (0.103 R)
• M61: 27,465,421 km (0.105 R)
• M62: 27,869,784 km (0.11 R)
• M63: 27,927,828 km (0.048 R)
• M64: 28,101,810 km (0.109 R)
• M65: 29,330,009 km (0.08 R)
• M66: 29,861,829 km (0.108 R)
• M67: 30,277,562 km (0.04 R)
• M68: 30,456,331 km (0.12 R)
• M69: 30,635,550 km (0.073 R)
• M70: 31,295,276 km (0.063 R)
• M71: 31,899,203 km (0.09 R)
• M72: 31,959,790 km (0.086 R)
• M73: 32,081,114 km (0.085 R)
• M74: 33,057,240 km (0.104 R)
• M75: 33,733,871 km (0.112 R)
• M76: 34,539,456 km (0.074 R)
• M77: 34,851,068 km (0.056 R)
• M78: 35,728,310 km (0.117 R)
• M79: 36,043,363 km (0.092 R)
• M80: 36,930,478 km (0.071 R)
• M81: 37,504,485 km (0.068 R)
• M82: 38,017,157 km (0.06 R)
• M83: 38,984,906 km (0.12 R)
• M84: 39,114,458 km (0.113 R)
• M85: 39,569,385 km (0.105 R)
• M86: 39,829,984 km (0.066 R)
• M87: 39,960,583 km (0.095 R)
• M88: 40,025,957 km (0.054 R)
• M89: 40,091,332 km (0.057 R)
• M90: 40,287,604 km (0.054 R)
• M91: 41,406,147 km (0.113 R)
• M92: 42,735,175 km (0.087 R)
• M93: 43,136,546 km (0.086 R)
• M94: 44,551,293 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.7

Radius: 3.8

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 12.08 AU - 15.94 AU

Year: 22893 Days

Day: 16.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 49,356,408 km

• M1: 230,530 km (0.079 R)
• M2: 356,342 km (0.074 R)
• M3: 502,350 km (0.108 R)
• M4: 683,213 km (0.099 R)
• M5: 845,677 km (0.116 R)
• M6: 1,205,160 km (0.101 R)
• M7: 1,513,930 km (0.067 R)
• M8: 1,560,007 km (0.044 R)
• M9: 1,630,018 km (0.119 R)
• M10: 2,438,894 km (0.113 R)
• M11: 2,575,028 km (0.085 R)
• M12: 2,602,554 km (0.098 R)
• M13: 2,940,496 km (0.038 R)
• M14: 3,352,189 km (0.104 R)
• M15: 3,382,258 km (0.093 R)
• M16: 3,412,327 km (0.098 R)
• M17: 4,034,655 km (0.102 R)
• M18: 4,758,559 km (0.09 R)
• M19: 5,521,807 km (0.067 R)
• M20: 5,557,411 km (0.056 R)
• M21: 5,772,533 km (0.061 R)
• M22: 5,990,348 km (0.115 R)
• M23: 7,392,229 km (0.087 R)
• M24: 7,907,743 km (0.117 R)
• M25: 8,190,184 km (0.07 R)
• M26: 8,352,947 km (0.091 R)
• M27: 8,640,474 km (0.089 R)
• M28: 8,931,292 km (0.09 R)
• M29: 9,225,401 km (0.081 R)
• M30: 9,565,288 km (0.029 R)
• M31: 9,779,811 km (0.07 R)
• M32: 10,609,331 km (0.115 R)
• M33: 12,897,730 km (0.112 R)
• M34: 14,586,241 km (0.058 R)
• M35: 14,981,778 km (0.08 R)
• M36: 15,380,905 km (0.09 R)
• M37: 15,733,058 km (0.078 R)
• M38: 16,240,644 km (0.104 R)
• M39: 17,115,792 km (0.066 R)
• M40: 18,059,156 km (0.112 R)
• M41: 18,643,784 km (0.047 R)
• M42: 18,911,714 km (0.086 R)
• M43: 19,342,855 km (0.108 R)
• M44: 20,434,920 km (0.07 R)
• M45: 21,211,183 km (0.041 R)
• M46: 21,322,783 km (0.073 R)
• M47: 21,434,682 km (0.091 R)
• M48: 21,827,825 km (0.106 R)
• M49: 23,136,208 km (0.093 R)
• M50: 23,308,695 km (0.105 R)
• M51: 24,469,724 km (0.1 R)
• M52: 26,306,038 km (0.095 R)
• M53: 26,366,026 km (0.031 R)
• M54: 26,787,144 km (0.044 R)
• M55: 26,847,582 km (0.111 R)
• M56: 27,331,830 km (0.076 R)
• M57: 28,124,998 km (0.095 R)
• M58: 28,802,078 km (0.04 R)
• M59: 30,109,414 km (0.099 R)
• M60: 31,118,451 km (0.078 R)
• M61: 31,754,691 km (0.073 R)
• M62: 32,138,559 km (0.113 R)
• M63: 32,395,269 km (0.061 R)
• M64: 32,910,784 km (0.089 R)
• M65: 34,080,489 km (0.113 R)
• M66: 34,276,911 km (0.12 R)
• M67: 35,794,133 km (0.107 R)
• M68: 36,996,750 km (0.113 R)
• M69: 38,552,568 km (0.101 R)
• M70: 39,578,809 km (0.117 R)
• M71: 40,267,857 km (0.057 R)
• M72: 40,475,349 km (0.099 R)
• M73: 40,960,944 km (0.104 R)
• M74: 42,710,790 km (0.116 R)
• M75: 43,488,400 km (0.089 R)
• M76: 44,199,289 km (0.083 R)
• M77: 44,556,230 km (0.117 R)
• M78: 45,129,339 km (0.082 R)
• M79: 46,282,739 km (0.115 R)
• M80: 46,863,179 km (0.11 R)
• M81: 47,738,177 km (0.036 R)
• M82: 49,208,574 km (0.114 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 19,364 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit