🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.5

Radius: 10.6

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.82 AU - 0.96 AU

Year: 542 Days

Day: 12.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,081,799 km

• M1: 132,394 km (0.09 R)
• M2: 478,564 km (0.077 R)
• M3: 851,062 km (0.103 R)
• M4: 1,204,562 km (0.085 R)
• M5: 1,977,085 km (0.041 R)
• M6: 2,817,377 km (0.032 R)
• M7: 3,693,123 km (0.032 R)
• M8: 4,073,849 km (0.071 R)
• M9: 5,326,133 km (0.063 R)
• M10: 5,940,382 km (0.115 R)
• M11: 6,426,725 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.7

Radius: 10.5

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.94 AU - 0.94 AU

Year: 588 Days

Day: 7.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 167.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,081,799 km

• M1: 130,749 km (0.112 R)
• M2: 557,551 km (0.095 R)
• M3: 917,035 km (0.113 R)
• M4: 1,513,631 km (0.068 R)
• M5: 1,900,940 km (0.111 R)
• M6: 2,483,773 km (0.096 R)
• M7: 3,028,310 km (0.115 R)
• M8: 3,404,698 km (0.076 R)
• M9: 4,150,443 km (0.102 R)
• M10: 4,601,032 km (0.074 R)
• M11: 5,495,029 km (0.108 R)
• M12: 6,267,253 km (0.092 R)
• M13: 6,699,741 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.7

Radius: 14.4

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.94 AU - 2.56 AU

Year: 2179 Days

Day: 11.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,081,799 km

• M1: 179,069 km (0.063 R)
• M2: 701,913 km (0.111 R)
• M3: 1,243,906 km (0.07 R)
• M4: 2,267,006 km (0.06 R)
• M5: 2,723,579 km (0.054 R)
• M6: 3,173,868 km (0.097 R)
• M7: 4,639,329 km (0.057 R)
• M8: 5,767,148 km (0.093 R)
• M9: 6,585,747 km (0.108 R)
• M10: 8,322,429 km (0.098 R)
• M11: 8,807,724 km (0.074 R)
• M12: 10,134,508 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.4

Radius: 9.3

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.59 AU - 7.11 AU

Year: 9136 Days

Day: 5.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,081,799 km

• M1: 115,938 km (0.114 R)
• M2: 570,417 km (0.072 R)
• M3: 1,174,942 km (0.101 R)
• M4: 1,866,981 km (0.047 R)
• M5: 2,232,748 km (0.039 R)
• M6: 2,686,479 km (0.087 R)
• M7: 3,703,146 km (0.097 R)
• M8: 4,425,853 km (0.103 R)
• M9: 5,565,190 km (0.107 R)
• M10: 6,329,336 km (0.03 R)
• M11: 10,098,455 km (0.119 R)
• M12: 17,625,172 km (0.069 R)
• M13: 19,808,254 km (0.087 R)
• M14: 20,281,582 km (0.084 R)
• M15: 23,281,019 km (0.057 R)
• M16: 23,985,625 km (0.038 R)
• M17: 25,160,716 km (0.042 R)
• M18: 26,754,981 km (0.118 R)
• M19: 28,815,841 km (0.108 R)
• M20: 34,032,020 km (0.115 R)
• M21: 38,121,128 km (0.088 R)
• M22: 39,595,415 km (0.078 R)
• M23: 41,619,624 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.3

Radius: 6

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.4 AU - 7.96 AU

Year: 13742 Days

Day: 24.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,081,799 km

• M1: 82,578 km (0.118 R)
• M2: 289,322 km (0.111 R)
• M3: 715,078 km (0.098 R)
• M4: 1,068,727 km (0.06 R)
• M5: 1,604,587 km (0.119 R)
• M6: 1,898,846 km (0.102 R)
• M7: 2,258,778 km (0.106 R)
• M8: 3,553,548 km (0.091 R)
• M9: 14,345,389 km (0.118 R)
• M10: 17,124,169 km (0.075 R)
• M11: 21,969,794 km (0.093 R)
• M12: 24,169,930 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.1

Radius: 5.7

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.83 AU - 9.57 AU

Year: 15161 Days

Day: 22 Hours

Environment

Temp: -227 °C

Axial Tilt: 85.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,081,799 km

• M1: 71,508 km (0.09 R)
• M2: 283,488 km (0.107 R)
• M3: 730,486 km (0.088 R)
• M4: 939,475 km (0.076 R)
• M5: 2,633,521 km (0.117 R)
• M6: 2,898,309 km (0.085 R)
• M7: 3,254,352 km (0.092 R)
• M8: 3,665,746 km (0.117 R)
• M9: 4,623,173 km (0.12 R)
• M10: 4,910,999 km (0.055 R)
• M11: 9,011,177 km (0.095 R)
• M12: 10,082,896 km (0.104 R)
• M13: 10,567,145 km (0.054 R)
• M14: 11,294,041 km (0.084 R)
• M15: 13,288,180 km (0.077 R)
• M16: 15,647,189 km (0.072 R)
• M17: 18,910,218 km (0.085 R)
• M18: 19,153,464 km (0.073 R)
• M19: 22,690,706 km (0.102 R)
• M20: 24,564,419 km (0.042 R)
• M21: 25,538,750 km (0.109 R)
• M22: 26,035,565 km (0.115 R)
• M23: 29,152,287 km (0.054 R)
• M24: 32,508,964 km (0.102 R)
• M25: 36,740,339 km (0.081 R)
• M26: 38,401,025 km (0.118 R)
• M27: 38,791,326 km (0.106 R)
• M28: 42,146,807 km (0.092 R)
• M29: 44,966,577 km (0.107 R)
• M30: 45,255,301 km (0.077 R)
• M31: 46,717,470 km (0.034 R)
• M32: 47,013,674 km (0.091 R)
• M33: 48,060,111 km (0.086 R)
• M34: 48,513,393 km (0.056 R)
• M35: 49,121,957 km (0.094 R)
• M36: 50,510,225 km (0.09 R)
• M37: 51,449,999 km (0.098 R)
• M38: 52,082,947 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.1

Radius: 7.5

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.16 AU - 9.38 AU

Year: 15356 Days

Day: 19.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,081,799 km

• M1: 94,995 km (0.099 R)
• M2: 414,835 km (0.056 R)
• M3: 731,982 km (0.115 R)
• M4: 1,064,688 km (0.108 R)
• M5: 1,846,038 km (0.112 R)
• M6: 2,845,651 km (0.115 R)
• M7: 3,181,348 km (0.119 R)
• M8: 3,846,760 km (0.081 R)
• M9: 4,633,644 km (0.113 R)
• M10: 8,097,733 km (0.111 R)
• M11: 8,528,126 km (0.103 R)
• M12: 9,176,633 km (0.113 R)
• M13: 9,750,789 km (0.108 R)
• M14: 11,737,299 km (0.096 R)
• M15: 11,980,246 km (0.083 R)
• M16: 12,921,666 km (0.117 R)
• M17: 13,843,937 km (0.11 R)
• M18: 14,115,307 km (0.071 R)
• M19: 14,390,268 km (0.094 R)
• M20: 23,912,621 km (0.117 R)
• M21: 25,808,026 km (0.096 R)
• M22: 27,373,418 km (0.067 R)
• M23: 28,451,570 km (0.054 R)
• M24: 28,890,640 km (0.083 R)
• M25: 40,005,911 km (0.085 R)
• M26: 46,350,207 km (0.114 R)
• M27: 49,285,467 km (0.043 R)
• M28: 50,078,037 km (0.065 R)
• M29: 54,000,942 km (0.047 R)
• M30: 54,505,236 km (0.027 R)
• M31: 56,727,064 km (0.101 R)
• M32: 57,948,082 km (0.051 R)
• M33: 58,830,859 km (0.072 R)
• M34: 59,364,773 km (0.093 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 12,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit