🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.6

Radius: 13.9

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.78 AU - 0.92 AU

Year: 541 Days

Day: 9.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 53,358,541 km

• M1: 173,085 km (0.115 R)
• M2: 796,160 km (0.109 R)
• M3: 1,743,114 km (0.101 R)
• M4: 2,239,031 km (0.114 R)
• M5: 3,372,086 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.6

Radius: 9.7

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.17 AU - 1.35 AU

Year: 976 Days

Day: 14.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,358,541 km

• M1: 122,820 km (0.112 R)
• M2: 429,495 km (0.109 R)
• M3: 998,715 km (0.08 R)
• M4: 1,671,307 km (0.065 R)
• M5: 2,083,001 km (0.063 R)
• M6: 2,723,130 km (0.086 R)
• M7: 3,883,561 km (0.048 R)
• M8: 4,567,522 km (0.041 R)
• M9: 5,613,062 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.1

Radius: 10.8

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.29 AU - 1.41 AU

Year: 1083 Days

Day: 13.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,358,541 km

• M1: 134,339 km (0.036 R)
• M2: 596,896 km (0.075 R)
• M3: 1,091,765 km (0.08 R)
• M4: 1,548,637 km (0.056 R)
• M5: 2,056,672 km (0.08 R)
• M6: 2,829,793 km (0.038 R)
• M7: 3,174,916 km (0.053 R)
• M8: 3,770,315 km (0.093 R)
• M9: 4,277,751 km (0.11 R)
• M10: 4,927,006 km (0.102 R)
• M11: 6,658,152 km (0.113 R)
• M12: 8,337,987 km (0.09 R)
• M13: 9,024,342 km (0.114 R)
• M14: 10,219,779 km (0.104 R)
• M15: 11,073,534 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.1

Radius: 10.2

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.36 AU - 2.04 AU

Year: 1530 Days

Day: 7.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,358,541 km

• M1: 127,607 km (0.104 R)
• M2: 566,527 km (0.114 R)
• M3: 1,179,130 km (0.056 R)
• M4: 1,832,724 km (0.025 R)
• M5: 2,194,002 km (0.112 R)
• M6: 2,783,268 km (0.058 R)
• M7: 3,264,226 km (0.102 R)
• M8: 3,942,951 km (0.085 R)
• M9: 4,316,198 km (0.03 R)
• M10: 4,836,798 km (0.053 R)
• M11: 5,511,934 km (0.067 R)
• M12: 6,003,961 km (0.083 R)
• M13: 6,576,322 km (0.07 R)
• M14: 7,686,638 km (0.072 R)
• M15: 8,823,432 km (0.062 R)
• M16: 9,236,921 km (0.117 R)
• M17: 9,932,401 km (0.055 R)
• M18: 11,464,882 km (0.113 R)
• M19: 13,067,374 km (0.099 R)
• M20: 14,505,608 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.3

Radius: 12.6

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.32 AU - 4.4 AU

Year: 6284 Days

Day: 14.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,358,541 km

• M1: 157,527 km (0.116 R)
• M2: 566,527 km (0.115 R)
• M3: 1,296,864 km (0.087 R)
• M4: 1,891,366 km (0.103 R)
• M5: 2,614,372 km (0.066 R)
• M6: 4,635,888 km (0.115 R)
• M7: 6,304,353 km (0.075 R)
• M8: 7,307,856 km (0.117 R)
• M9: 8,671,740 km (0.063 R)
• M10: 9,993,437 km (0.101 R)
• M11: 10,532,887 km (0.106 R)
• M12: 12,552,009 km (0.08 R)
• M13: 13,427,755 km (0.106 R)
• M14: 17,880,835 km (0.087 R)
• M15: 19,305,456 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.2

Radius: 3.8

Gravity: 53.27 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.15 AU - 8.23 AU

Year: 13308 Days

Day: 20.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,358,541 km

• M1: 48,470 km (0.105 R)
• M2: 230,830 km (0.067 R)
• M3: 428,598 km (0.113 R)
• M4: 1,471,145 km (0.095 R)
• M5: 2,172,610 km (0.085 R)
• M6: 2,904,443 km (0.089 R)
• M7: 3,565,366 km (0.062 R)
• M8: 4,936,879 km (0.115 R)
• M9: 6,708,268 km (0.028 R)
• M10: 7,264,173 km (0.06 R)
• M11: 9,167,208 km (0.093 R)
• M12: 9,426,311 km (0.117 R)
• M13: 11,617,471 km (0.07 R)
• M14: 14,057,263 km (0.059 R)
• M15: 28,083,260 km (0.111 R)
• M16: 31,233,193 km (0.113 R)
• M17: 34,610,515 km (0.099 R)
• M18: 38,356,894 km (0.092 R)
• M19: 54,508,976 km (0.112 R)
• M20: 56,043,850 km (0.111 R)
• M21: 56,561,758 km (0.075 R)
• M22: 59,199,468 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.5

Radius: 6.1

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.82 AU - 10.04 AU

Year: 18420 Days

Day: 18.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,358,541 km

• M1: 75,846 km (0.107 R)
• M2: 356,492 km (0.077 R)
• M3: 682,765 km (0.107 R)
• M4: 928,554 km (0.087 R)
• M5: 1,663,229 km (0.118 R)
• M6: 2,645,638 km (0.112 R)
• M7: 2,885,743 km (0.059 R)
• M8: 3,188,230 km (0.068 R)
• M9: 3,537,391 km (0.104 R)
• M10: 3,856,633 km (0.055 R)
• M11: 4,195,023 km (0.093 R)
• M12: 4,553,011 km (0.07 R)
• M13: 4,834,854 km (0.079 R)
• M14: 6,117,057 km (0.098 R)
• M15: 6,538,325 km (0.049 R)
• M16: 7,019,880 km (0.066 R)
• M17: 8,008,423 km (0.114 R)
• M18: 10,743,072 km (0.072 R)
• M19: 12,349,304 km (0.118 R)
• M20: 14,844,148 km (0.092 R)
• M21: 16,029,711 km (0.101 R)
• M22: 25,654,090 km (0.115 R)
• M23: 26,246,647 km (0.096 R)
• M24: 26,546,292 km (0.087 R)
• M25: 27,767,908 km (0.033 R)
• M26: 28,920,111 km (0.048 R)
• M27: 30,432,246 km (0.102 R)
• M28: 34,084,977 km (0.112 R)
• M29: 35,162,680 km (0.103 R)
• M30: 35,648,873 km (0.069 R)
• M31: 36,139,554 km (0.045 R)
• M32: 37,892,243 km (0.117 R)
• M33: 38,531,774 km (0.114 R)
• M34: 44,190,463 km (0.091 R)
• M35: 46,338,539 km (0.084 R)
• M36: 49,765,976 km (0.112 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 17,497 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit