🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.8

Radius: 8.7

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.74 AU - 0.84 AU

Year: 476 Days

Day: 14.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,924,672 km

• M1: 108,159 km (0.111 R)
• M2: 474,674 km (0.087 R)
• M3: 1,096,104 km (0.109 R)
• M4: 1,785,151 km (0.072 R)
• M5: 2,160,941 km (0.076 R)
• M6: 2,707,273 km (0.098 R)
• M7: 4,167,797 km (0.096 R)
• M8: 4,893,646 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263

Radius: 10.2

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.83 AU - 1.29 AU

Year: 740 Days

Day: 12 Hours

Environment

Temp: -172 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,924,672 km

• M1: 126,859 km (0.106 R)
• M2: 559,795 km (0.108 R)
• M3: 953,238 km (0.118 R)
• M4: 1,312,572 km (0.095 R)
• M5: 1,740,870 km (0.062 R)
• M6: 2,094,221 km (0.091 R)
• M7: 3,218,000 km (0.058 R)
• M8: 3,628,646 km (0.108 R)
• M9: 4,033,308 km (0.115 R)
• M10: 4,453,529 km (0.044 R)
• M11: 5,186,708 km (0.11 R)
• M12: 5,599,448 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 13.2

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.12 AU - 3.38 AU

Year: 3974 Days

Day: 7.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,924,672 km

• M1: 203,304 km (0.06 R)
• M2: 661,522 km (0.05 R)
• M3: 1,163,722 km (0.091 R)
• M4: 3,866,058 km (0.116 R)
• M5: 5,689,955 km (0.051 R)
• M6: 7,470,170 km (0.072 R)
• M7: 8,790,820 km (0.11 R)
• M8: 10,489,952 km (0.119 R)
• M9: 13,594,706 km (0.056 R)
• M10: 15,556,084 km (0.073 R)
• M11: 17,428,152 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.1

Radius: 11.8

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.05 AU - 4.25 AU

Year: 4730 Days

Day: 13.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,924,672 km

• M1: 148,102 km (0.045 R)
• M2: 611,406 km (0.071 R)
• M3: 979,866 km (0.116 R)
• M4: 1,630,766 km (0.064 R)
• M5: 2,069,537 km (0.065 R)
• M6: 4,177,221 km (0.116 R)
• M7: 5,663,027 km (0.065 R)
• M8: 6,098,956 km (0.112 R)
• M9: 6,747,313 km (0.118 R)
• M10: 8,254,661 km (0.041 R)
• M11: 11,924,297 km (0.089 R)
• M12: 15,084,252 km (0.074 R)
• M13: 16,444,845 km (0.035 R)
• M14: 23,518,880 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.8

Radius: 9.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.87 AU - 4.79 AU

Year: 5084 Days

Day: 8.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 77.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,924,672 km

• M1: 122,521 km (0.071 R)
• M2: 907,161 km (0.118 R)
• M3: 1,395,299 km (0.08 R)
• M4: 1,936,544 km (0.082 R)
• M5: 2,613,026 km (0.033 R)
• M6: 3,235,952 km (0.082 R)
• M7: 3,671,281 km (0.082 R)
• M8: 4,341,629 km (0.035 R)
• M9: 5,445,811 km (0.05 R)
• M10: 7,471,217 km (0.079 R)
• M11: 8,200,207 km (0.104 R)
• M12: 8,511,670 km (0.065 R)
• M13: 13,082,184 km (0.117 R)
• M14: 14,438,588 km (0.083 R)
• M15: 15,254,495 km (0.116 R)
• M16: 17,542,594 km (0.108 R)
• M17: 21,520,551 km (0.11 R)
• M18: 22,449,853 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.7

Radius: 10.3

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.15 AU - 4.57 AU

Year: 5144 Days

Day: 12.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,924,672 km

• M1: 130,749 km (0.085 R)
• M2: 2,304,555 km (0.094 R)
• M3: 3,020,531 km (0.102 R)
• M4: 4,788,628 km (0.101 R)
• M5: 6,167,771 km (0.105 R)
• M6: 8,647,505 km (0.074 R)
• M7: 11,393,972 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861

Radius: 3.3

Gravity: 79.06 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.89 AU - 10.69 AU

Year: 19205 Days

Day: 17.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 79,924,672 km

• M1: 40,990 km (0.116 R)
• M2: 212,579 km (0.096 R)
• M3: 606,470 km (0.111 R)
• M4: 987,795 km (0.065 R)
• M5: 1,929,513 km (0.091 R)
• M6: 2,133,864 km (0.094 R)
• M7: 2,683,337 km (0.06 R)
• M8: 3,466,033 km (0.044 R)
• M9: 3,614,883 km (0.101 R)
• M10: 4,743,300 km (0.095 R)
• M11: 5,546,640 km (0.095 R)
• M12: 5,917,344 km (0.111 R)
• M13: 7,175,761 km (0.057 R)
• M14: 7,565,763 km (0.095 R)
• M15: 10,268,099 km (0.117 R)
• M16: 10,700,137 km (0.068 R)
• M17: 12,550,065 km (0.066 R)
• M18: 13,187,202 km (0.111 R)
• M19: 14,525,654 km (0.061 R)
• M20: 17,038,300 km (0.113 R)
• M21: 20,495,058 km (0.107 R)
• M22: 21,877,941 km (0.066 R)
• M23: 32,411,875 km (0.106 R)
• M24: 33,607,311 km (0.118 R)
• M25: 34,694,439 km (0.11 R)
• M26: 37,081,871 km (0.06 R)
• M27: 37,225,635 km (0.106 R)
• M28: 40,635,419 km (0.034 R)
• M29: 42,651,849 km (0.085 R)
• M30: 49,795,446 km (0.106 R)
• M31: 53,373,528 km (0.073 R)
• M32: 57,119,309 km (0.118 R)
• M33: 57,695,860 km (0.12 R)
• M34: 61,236,692 km (0.114 R)
• M35: 62,652,037 km (0.044 R)
• M36: 68,315,214 km (0.049 R)
• M37: 69,837,223 km (0.118 R)
• M38: 72,723,414 km (0.057 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 18,803 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit