🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.4

Radius: 12.9

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.8 AU - 0.94 AU

Year: 550 Days

Day: 5.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,986,493 km

• M1: 160,668 km (0.112 R)
• M2: 727,943 km (0.107 R)
• M3: 1,303,446 km (0.091 R)
• M4: 1,761,814 km (0.117 R)
• M5: 2,242,023 km (0.072 R)
• M6: 2,832,187 km (0.086 R)
• M7: 3,306,861 km (0.097 R)
• M8: 4,222,400 km (0.088 R)
• M9: 4,812,863 km (0.068 R)
• M10: 5,475,731 km (0.111 R)
• M11: 6,102,696 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.1

Radius: 10.7

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.16 AU - 2.34 AU

Year: 2289 Days

Day: 8 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,986,493 km

• M1: 133,142 km (0.069 R)
• M2: 917,633 km (0.12 R)
• M3: 1,429,856 km (0.074 R)
• M4: 2,192,357 km (0.078 R)
• M5: 2,923,591 km (0.05 R)
• M6: 3,676,218 km (0.045 R)
• M7: 4,753,622 km (0.112 R)
• M8: 6,244,814 km (0.082 R)
• M9: 7,217,200 km (0.114 R)
• M10: 8,554,156 km (0.071 R)
• M11: 10,087,235 km (0.103 R)
• M12: 10,662,887 km (0.104 R)
• M13: 11,546,562 km (0.095 R)
• M14: 12,305,322 km (0.11 R)
• M15: 14,587,887 km (0.097 R)
• M16: 15,175,208 km (0.109 R)
• M17: 16,396,974 km (0.105 R)
• M18: 19,619,013 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.8

Radius: 12.6

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.82 AU - 2.88 AU

Year: 2443 Days

Day: 9.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,986,493 km

• M1: 156,779 km (0.113 R)
• M2: 650,751 km (0.101 R)
• M3: 1,099,245 km (0.107 R)
• M4: 1,738,926 km (0.071 R)
• M5: 3,078,724 km (0.099 R)
• M6: 3,629,394 km (0.091 R)
• M7: 4,527,131 km (0.119 R)
• M8: 4,951,989 km (0.089 R)
• M9: 6,980,835 km (0.047 R)
• M10: 8,336,042 km (0.085 R)
• M11: 8,749,231 km (0.087 R)
• M12: 11,640,360 km (0.092 R)
• M13: 12,689,789 km (0.111 R)
• M14: 14,471,500 km (0.099 R)
• M15: 15,493,702 km (0.095 R)
• M16: 16,563,327 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.8

Radius: 14.7

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.02 AU - 6.06 AU

Year: 7674 Days

Day: 10.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,986,493 km

• M1: 182,809 km (0.025 R)
• M2: 753,824 km (0.106 R)
• M3: 2,136,407 km (0.112 R)
• M4: 2,621,852 km (0.115 R)
• M5: 4,401,169 km (0.047 R)
• M6: 5,098,595 km (0.089 R)
• M7: 6,090,429 km (0.075 R)
• M8: 7,107,096 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.7

Radius: 7.3

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.73 AU - 7.21 AU

Year: 9894 Days

Day: 23.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 62,986,493 km

• M1: 90,806 km (0.102 R)
• M2: 330,163 km (0.07 R)
• M3: 633,397 km (0.082 R)
• M4: 913,295 km (0.047 R)
• M5: 1,263,354 km (0.107 R)
• M6: 1,670,859 km (0.11 R)
• M7: 2,603,153 km (0.051 R)
• M8: 5,749,495 km (0.104 R)
• M9: 6,290,890 km (0.057 R)
• M10: 8,570,163 km (0.074 R)
• M11: 10,071,976 km (0.098 R)
• M12: 12,493,217 km (0.091 R)
• M13: 13,462,462 km (0.059 R)
• M14: 13,901,831 km (0.104 R)
• M15: 14,809,292 km (0.085 R)
• M16: 20,108,796 km (0.118 R)
• M17: 20,353,538 km (0.075 R)
• M18: 22,735,136 km (0.068 R)
• M19: 26,646,373 km (0.034 R)
• M20: 26,941,679 km (0.101 R)
• M21: 29,594,348 km (0.101 R)
• M22: 34,939,929 km (0.076 R)
• M23: 35,175,695 km (0.05 R)
• M24: 43,427,963 km (0.081 R)
• M25: 49,098,470 km (0.083 R)
• M26: 49,394,375 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.3

Radius: 4

Gravity: 34.14 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 7.42 AU - 9.62 AU

Year: 16867 Days

Day: 24.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 62,986,493 km

• M1: 49,966 km (0.109 R)
• M2: 229,932 km (0.048 R)
• M3: 538,253 km (0.075 R)
• M4: 766,689 km (0.07 R)
• M5: 952,789 km (0.083 R)
• M6: 1,584,690 km (0.072 R)
• M7: 1,715,289 km (0.101 R)
• M8: 1,888,673 km (0.116 R)
• M9: 3,289,657 km (0.083 R)
• M10: 3,669,337 km (0.076 R)
• M11: 4,077,739 km (0.098 R)
• M12: 4,646,360 km (0.079 R)
• M13: 5,123,877 km (0.053 R)
• M14: 6,336,966 km (0.095 R)
• M15: 6,500,925 km (0.094 R)
• M16: 7,319,076 km (0.118 R)
• M17: 7,964,142 km (0.085 R)
• M18: 8,546,526 km (0.116 R)
• M19: 8,848,265 km (0.036 R)
• M20: 9,209,095 km (0.026 R)
• M21: 9,579,649 km (0.111 R)
• M22: 9,741,365 km (0.088 R)
• M23: 11,522,178 km (0.101 R)
• M24: 14,335,216 km (0.091 R)
• M25: 19,926,436 km (0.075 R)
• M26: 21,177,823 km (0.073 R)
• M27: 26,707,558 km (0.113 R)
• M28: 29,232,621 km (0.054 R)
• M29: 35,906,182 km (0.117 R)
• M30: 36,036,182 km (0.06 R)
• M31: 36,822,169 km (0.05 R)
• M32: 38,022,692 km (0.073 R)
• M33: 43,085,683 km (0.086 R)
• M34: 46,083,774 km (0.114 R)
• M35: 51,494,280 km (0.114 R)
• M36: 52,994,148 km (0.082 R)
• M37: 54,866,665 km (0.116 R)
• M38: 56,606,787 km (0.064 R)
• M39: 56,782,714 km (0.099 R)
• M40: 57,490,462 km (0.103 R)
• M41: 61,117,163 km (0.113 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: 316 - 14,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit