🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.7

Radius: 13.3

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.42 AU - 0.66 AU

Year: 265 Days

Day: 10.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,506,013 km

• M1: 165,904 km (0.108 R)
• M2: 594,801 km (0.097 R)
• M3: 1,275,621 km (0.086 R)
• M4: 1,741,170 km (0.1 R)
• M5: 2,160,941 km (0.119 R)
• M6: 2,604,499 km (0.111 R)
• M7: 3,019,184 km (0.089 R)
• M8: 3,522,282 km (0.091 R)
• M9: 4,344,322 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.6

Radius: 8.6

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.51 AU - 0.63 AU

Year: 287 Days

Day: 10.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,506,013 km

• M1: 106,962 km (0.113 R)
• M2: 413,489 km (0.117 R)
• M3: 717,172 km (0.065 R)
• M4: 1,022,202 km (0.065 R)
• M5: 1,478,925 km (0.086 R)
• M6: 1,761,066 km (0.054 R)
• M7: 2,176,499 km (0.106 R)
• M8: 2,464,775 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.8

Radius: 10.6

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.6 AU - 0.78 AU

Year: 382 Days

Day: 13.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,506,013 km

• M1: 132,095 km (0.066 R)
• M2: 625,618 km (0.053 R)
• M3: 958,174 km (0.039 R)
• M4: 1,453,643 km (0.048 R)
• M5: 1,798,466 km (0.081 R)
• M6: 2,198,640 km (0.092 R)
• M7: 2,640,851 km (0.041 R)
• M8: 3,112,384 km (0.12 R)
• M9: 3,817,139 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.8

Radius: 14.4

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.47 AU - 3.55 AU

Year: 4385 Days

Day: 10.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,506,013 km

• M1: 179,069 km (0.112 R)
• M2: 1,085,333 km (0.081 R)
• M3: 2,445,626 km (0.031 R)
• M4: 3,013,948 km (0.097 R)
• M5: 6,028,645 km (0.061 R)
• M6: 11,167,481 km (0.089 R)
• M7: 12,280,340 km (0.078 R)
• M8: 17,019,600 km (0.095 R)
• M9: 17,657,635 km (0.109 R)
• M10: 20,760,893 km (0.076 R)
• M11: 21,758,861 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.3

Radius: 12.8

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.83 AU - 4.91 AU

Year: 6092 Days

Day: 7.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,506,013 km

• M1: 159,471 km (0.118 R)
• M2: 683,812 km (0.065 R)
• M3: 1,235,828 km (0.074 R)
• M4: 1,703,920 km (0.115 R)
• M5: 2,341,506 km (0.067 R)
• M6: 2,832,187 km (0.09 R)
• M7: 3,548,312 km (0.114 R)
• M8: 4,023,884 km (0.072 R)
• M9: 4,650,848 km (0.096 R)
• M10: 5,650,012 km (0.045 R)
• M11: 6,858,763 km (0.118 R)
• M12: 8,355,340 km (0.118 R)
• M13: 9,423,170 km (0.107 R)
• M14: 13,063,185 km (0.109 R)
• M15: 16,039,734 km (0.119 R)
• M16: 17,959,374 km (0.107 R)
• M17: 20,928,443 km (0.115 R)
• M18: 27,637,459 km (0.109 R)
• M19: 28,471,916 km (0.12 R)
• M20: 33,105,410 km (0.053 R)
• M21: 34,683,967 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.9

Radius: 3.9

Gravity: 46.21 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.1 AU - 8.36 AU

Year: 11643 Days

Day: 21.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 53,506,013 km

• M1: 48,470 km (0.109 R)
• M2: 228,885 km (0.066 R)
• M3: 376,089 km (0.114 R)
• M4: 572,361 km (0.11 R)
• M5: 1,352,215 km (0.101 R)
• M6: 1,883,587 km (0.038 R)
• M7: 3,626,103 km (0.059 R)
• M8: 3,897,025 km (0.118 R)
• M9: 4,181,260 km (0.092 R)
• M10: 4,759,307 km (0.115 R)
• M11: 5,251,783 km (0.108 R)
• M12: 6,184,974 km (0.076 R)
• M13: 7,521,781 km (0.102 R)
• M14: 7,872,738 km (0.1 R)
• M15: 8,654,536 km (0.075 R)
• M16: 10,105,635 km (0.085 R)
• M17: 10,371,172 km (0.103 R)
• M18: 13,996,526 km (0.073 R)
• M19: 14,193,846 km (0.084 R)
• M20: 15,487,269 km (0.095 R)
• M21: 15,627,891 km (0.052 R)
• M22: 17,306,080 km (0.03 R)
• M23: 17,762,952 km (0.073 R)
• M24: 17,994,380 km (0.098 R)
• M25: 18,542,058 km (0.074 R)
• M26: 21,361,379 km (0.096 R)
• M27: 21,623,026 km (0.063 R)
• M28: 25,416,828 km (0.113 R)
• M29: 29,739,458 km (0.093 R)
• M30: 36,478,244 km (0.115 R)
• M31: 38,116,789 km (0.071 R)
• M32: 39,149,015 km (0.118 R)
• M33: 39,540,961 km (0.054 R)
• M34: 39,803,655 km (0.078 R)
• M35: 41,947,243 km (0.113 R)
• M36: 42,632,700 km (0.109 R)
• M37: 43,186,213 km (0.106 R)
• M38: 44,733,503 km (0.075 R)
• M39: 47,196,632 km (0.074 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: 540 - 12,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit