🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.4

Radius: 9.6

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.51 AU - 0.85 AU

Year: 380 Days

Day: 5.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,943,481 km

• M1: 119,379 km (0.108 R)
• M2: 530,773 km (0.115 R)
• M3: 883,076 km (0.101 R)
• M4: 1,185,414 km (0.093 R)
• M5: 1,497,923 km (0.077 R)
• M6: 2,471,058 km (0.11 R)
• M7: 2,840,714 km (0.093 R)
• M8: 3,328,403 km (0.074 R)
• M9: 4,543,736 km (0.113 R)
• M10: 4,992,829 km (0.081 R)
• M11: 5,292,473 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.5

Radius: 9.4

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.75 AU - 0.83 AU

Year: 476 Days

Day: 14.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,943,481 km

• M1: 116,836 km (0.111 R)
• M2: 431,590 km (0.104 R)
• M3: 773,720 km (0.083 R)
• M4: 1,417,440 km (0.101 R)
• M5: 1,820,905 km (0.084 R)
• M6: 2,325,349 km (0.075 R)
• M7: 3,092,188 km (0.104 R)
• M8: 4,093,147 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.9

Radius: 10.6

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.98 AU - 1.42 AU

Year: 892 Days

Day: 5.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,943,481 km

• M1: 139,276 km (0.088 R)
• M2: 747,989 km (0.063 R)
• M3: 1,226,703 km (0.119 R)
• M4: 2,044,255 km (0.097 R)
• M5: 2,888,735 km (0.113 R)
• M6: 3,610,395 km (0.093 R)
• M7: 4,142,515 km (0.037 R)
• M8: 4,754,669 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.2

Radius: 9.8

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.68 AU - 1.8 AU

Year: 1557 Days

Day: 7.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,943,481 km

• M1: 121,922 km (0.112 R)
• M2: 485,744 km (0.092 R)
• M3: 815,009 km (0.072 R)
• M4: 1,202,767 km (0.106 R)
• M5: 1,903,035 km (0.083 R)
• M6: 4,601,631 km (0.05 R)
• M7: 5,346,777 km (0.09 R)
• M8: 5,736,779 km (0.118 R)
• M9: 6,677,750 km (0.082 R)
• M10: 7,547,213 km (0.098 R)
• M11: 9,709,949 km (0.105 R)
• M12: 10,118,351 km (0.118 R)
• M13: 11,945,091 km (0.115 R)
• M14: 13,348,020 km (0.097 R)
• M15: 14,813,181 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.3

Radius: 13.3

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.07 AU - 2.89 AU

Year: 2649 Days

Day: 8.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,943,481 km

• M1: 165,455 km (0.043 R)
• M2: 706,700 km (0.113 R)
• M3: 1,133,353 km (0.103 R)
• M4: 2,140,147 km (0.079 R)
• M5: 2,735,995 km (0.12 R)
• M6: 3,232,810 km (0.082 R)
• M7: 3,658,566 km (0.057 R)
• M8: 4,142,215 km (0.026 R)
• M9: 5,480,518 km (0.069 R)
• M10: 6,249,750 km (0.115 R)
• M11: 7,846,259 km (0.113 R)
• M12: 8,260,495 km (0.072 R)
• M13: 8,756,562 km (0.088 R)
• M14: 9,237,669 km (0.116 R)
• M15: 10,826,548 km (0.084 R)
• M16: 11,747,921 km (0.069 R)
• M17: 12,764,289 km (0.086 R)
• M18: 14,779,073 km (0.104 R)
• M19: 15,912,875 km (0.091 R)
• M20: 17,316,851 km (0.118 R)
• M21: 19,143,142 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.8

Radius: 9.7

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.07 AU - 4.19 AU

Year: 4691 Days

Day: 10.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,943,481 km

• M1: 120,576 km (0.087 R)
• M2: 484,996 km (0.111 R)
• M3: 2,488,261 km (0.037 R)
• M4: 2,996,595 km (0.109 R)
• M5: 3,705,689 km (0.09 R)
• M6: 4,678,823 km (0.03 R)
• M7: 5,573,119 km (0.104 R)
• M8: 9,611,065 km (0.107 R)
• M9: 11,003,223 km (0.049 R)
• M10: 12,525,531 km (0.111 R)
• M11: 13,687,756 km (0.093 R)
• M12: 14,072,223 km (0.111 R)
• M13: 15,210,513 km (0.112 R)
• M14: 15,922,449 km (0.093 R)
• M15: 17,284,987 km (0.034 R)
• M16: 18,060,203 km (0.047 R)
• M17: 19,749,312 km (0.073 R)
• M18: 21,615,247 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.4

Radius: 4.1

Gravity: 24.71 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.56 AU - 9.8 AU

Year: 18865 Days

Day: 22.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,943,481 km

• M1: 56,249 km (0.094 R)
• M2: 213,626 km (0.094 R)
• M3: 624,122 km (0.078 R)
• M4: 2,440,988 km (0.077 R)
• M5: 3,035,939 km (0.067 R)
• M6: 3,894,481 km (0.105 R)
• M7: 4,474,622 km (0.099 R)
• M8: 4,937,627 km (0.077 R)
• M9: 5,075,557 km (0.115 R)
• M10: 5,653,453 km (0.117 R)
• M11: 6,314,227 km (0.038 R)
• M12: 9,905,473 km (0.112 R)
• M13: 12,189,534 km (0.101 R)
• M14: 12,697,867 km (0.068 R)
• M15: 16,351,945 km (0.118 R)
• M16: 27,543,362 km (0.088 R)
• M17: 28,417,163 km (0.07 R)
• M18: 33,927,451 km (0.078 R)
• M19: 36,866,151 km (0.115 R)
• M20: 37,526,626 km (0.115 R)
• M21: 37,926,651 km (0.049 R)
• M22: 41,372,189 km (0.07 R)
• M23: 47,154,146 km (0.108 R)
• M24: 61,388,085 km (0.097 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 15,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit