🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.3

Radius: 11.9

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.02 AU - 1.42 AU

Year: 870 Days

Day: 5.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,776,613 km

• M1: 148,551 km (0.046 R)
• M2: 905,217 km (0.042 R)
• M3: 1,619,247 km (0.054 R)
• M4: 2,083,898 km (0.106 R)
• M5: 3,124,800 km (0.066 R)
• M6: 3,968,832 km (0.111 R)
• M7: 4,374,691 km (0.114 R)
• M8: 4,791,769 km (0.089 R)
• M9: 5,613,660 km (0.116 R)
• M10: 6,029,542 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299

Radius: 14.3

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.03 AU - 1.43 AU

Year: 881 Days

Day: 10.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,776,613 km

• M1: 177,872 km (0.092 R)
• M2: 988,692 km (0.044 R)
• M3: 1,583,344 km (0.084 R)
• M4: 2,385,188 km (0.094 R)
• M5: 2,976,698 km (0.062 R)
• M6: 3,772,110 km (0.106 R)
• M7: 4,398,477 km (0.088 R)
• M8: 5,076,903 km (0.077 R)
• M9: 6,447,219 km (0.087 R)
• M10: 6,927,728 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.6

Radius: 8.8

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.67 AU - 2.23 AU

Year: 1758 Days

Day: 10.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,776,613 km

• M1: 109,655 km (0.092 R)
• M2: 409,150 km (0.11 R)
• M3: 686,953 km (0.066 R)
• M4: 1,175,241 km (0.078 R)
• M5: 1,466,059 km (0.12 R)
• M6: 2,136,258 km (0.105 R)
• M7: 3,216,653 km (0.059 R)
• M8: 3,850,200 km (0.088 R)
• M9: 4,402,815 km (0.113 R)
• M10: 4,835,153 km (0.118 R)
• M11: 5,250,736 km (0.112 R)
• M12: 6,407,127 km (0.119 R)
• M13: 6,801,168 km (0.054 R)
• M14: 7,239,340 km (0.087 R)
• M15: 9,381,133 km (0.097 R)
• M16: 9,718,177 km (0.078 R)
• M17: 10,669,021 km (0.082 R)
• M18: 11,073,683 km (0.096 R)
• M19: 11,642,005 km (0.079 R)
• M20: 12,429,788 km (0.082 R)
• M21: 14,554,676 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.6

Radius: 11.3

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.74 AU - 2.86 AU

Year: 3025 Days

Day: 13.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,776,613 km

• M1: 140,472 km (0.047 R)
• M2: 521,797 km (0.075 R)
• M3: 1,362,687 km (0.097 R)
• M4: 1,874,910 km (0.103 R)
• M5: 2,555,880 km (0.113 R)
• M6: 3,554,745 km (0.084 R)
• M7: 4,285,530 km (0.11 R)
• M8: 4,796,856 km (0.06 R)
• M9: 5,206,903 km (0.11 R)
• M10: 6,470,407 km (0.046 R)
• M11: 7,928,238 km (0.101 R)
• M12: 8,701,061 km (0.107 R)
• M13: 9,105,873 km (0.114 R)
• M14: 9,523,400 km (0.108 R)
• M15: 10,623,394 km (0.079 R)
• M16: 11,008,159 km (0.066 R)
• M17: 11,643,501 km (0.108 R)
• M18: 12,177,416 km (0.106 R)
• M19: 12,556,647 km (0.033 R)
• M20: 14,106,930 km (0.054 R)
• M21: 14,808,992 km (0.11 R)
• M22: 15,682,195 km (0.042 R)
• M23: 16,692,130 km (0.071 R)
• M24: 17,213,180 km (0.094 R)
• M25: 18,015,024 km (0.04 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.9

Radius: 4.4

Gravity: 37.6 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.91 AU - 7.99 AU

Year: 10577 Days

Day: 18.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 50,776,613 km

• M1: 54,753 km (0.058 R)
• M2: 203,004 km (0.053 R)
• M3: 391,797 km (0.058 R)
• M4: 580,141 km (0.118 R)
• M5: 967,001 km (0.073 R)
• M6: 1,732,343 km (0.061 R)
• M7: 2,048,294 km (0.091 R)
• M8: 2,521,173 km (0.116 R)
• M9: 2,665,834 km (0.112 R)
• M10: 3,576,137 km (0.116 R)
• M11: 4,287,625 km (0.103 R)
• M12: 4,434,530 km (0.051 R)
• M13: 6,433,008 km (0.105 R)
• M14: 6,587,093 km (0.109 R)
• M15: 7,997,353 km (0.063 R)
• M16: 8,265,582 km (0.116 R)
• M17: 13,602,037 km (0.049 R)
• M18: 15,309,996 km (0.056 R)
• M19: 15,515,842 km (0.118 R)
• M20: 17,452,387 km (0.104 R)
• M21: 18,132,010 km (0.061 R)
• M22: 18,439,733 km (0.085 R)
• M23: 18,986,513 km (0.03 R)
• M24: 19,624,697 km (0.118 R)
• M25: 20,943,552 km (0.113 R)
• M26: 22,145,122 km (0.033 R)
• M27: 27,110,425 km (0.099 R)
• M28: 27,816,976 km (0.114 R)
• M29: 28,021,177 km (0.07 R)
• M30: 28,329,199 km (0.118 R)
• M31: 32,092,184 km (0.096 R)
• M32: 33,225,388 km (0.031 R)
• M33: 33,801,938 km (0.072 R)
• M34: 36,418,106 km (0.049 R)
• M35: 37,031,008 km (0.109 R)
• M36: 46,922,270 km (0.095 R)
• M37: 47,066,781 km (0.058 R)
• M38: 48,676,006 km (0.089 R)
• M39: 48,824,107 km (0.12 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 18,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit