🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.4

Radius: 12.4

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.5 AU - 0.62 AU

Year: 295 Days

Day: 8.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,269,189 km

• M1: 155,582 km (0.11 R)
• M2: 594,801 km (0.113 R)
• M3: 1,048,831 km (0.047 R)
• M4: 1,439,730 km (0.101 R)
• M5: 1,937,143 km (0.077 R)
• M6: 2,789,103 km (0.116 R)
• M7: 3,657,967 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.1

Radius: 9.6

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.79 AU - 0.93 AU

Year: 561 Days

Day: 12.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,269,189 km

• M1: 119,379 km (0.062 R)
• M2: 429,795 km (0.079 R)
• M3: 771,476 km (0.064 R)
• M4: 1,154,746 km (0.056 R)
• M5: 1,541,307 km (0.112 R)
• M6: 1,854,864 km (0.096 R)
• M7: 2,340,159 km (0.072 R)
• M8: 2,838,470 km (0.102 R)
• M9: 3,315,089 km (0.085 R)
• M10: 4,492,424 km (0.082 R)
• M11: 4,918,628 km (0.085 R)
• M12: 5,353,509 km (0.073 R)
• M13: 5,890,117 km (0.098 R)
• M14: 6,878,061 km (0.103 R)
• M15: 7,445,187 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.3

Radius: 10.9

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.9 AU - 1.11 AU

Year: 703 Days

Day: 11.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,269,189 km

• M1: 135,536 km (0.046 R)
• M2: 693,985 km (0.067 R)
• M3: 1,040,453 km (0.074 R)
• M4: 1,533,378 km (0.096 R)
• M5: 2,283,462 km (0.108 R)
• M6: 2,648,032 km (0.12 R)
• M7: 4,778,605 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.6

Radius: 9.9

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.24 AU - 1.36 AU

Year: 1042 Days

Day: 9.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,269,189 km

• M1: 123,119 km (0.077 R)
• M2: 566,378 km (0.062 R)
• M3: 1,114,355 km (0.109 R)
• M4: 1,427,612 km (0.042 R)
• M5: 2,710,713 km (0.119 R)
• M6: 3,151,130 km (0.103 R)
• M7: 3,776,299 km (0.105 R)
• M8: 4,950,044 km (0.029 R)
• M9: 5,450,449 km (0.069 R)
• M10: 6,418,048 km (0.108 R)
• M11: 7,156,164 km (0.09 R)
• M12: 7,796,592 km (0.092 R)
• M13: 8,636,883 km (0.056 R)
• M14: 10,068,984 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.4

Radius: 8.8

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.26 AU - 2 AU

Year: 1463 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,269,189 km

• M1: 119,230 km (0.084 R)
• M2: 399,576 km (0.074 R)
• M3: 852,558 km (0.102 R)
• M4: 1,201,720 km (0.09 R)
• M5: 3,650,038 km (0.038 R)
• M6: 3,946,242 km (0.036 R)
• M7: 4,276,405 km (0.052 R)
• M8: 5,379,539 km (0.104 R)
• M9: 7,005,818 km (0.112 R)
• M10: 7,623,059 km (0.081 R)
• M11: 9,446,657 km (0.094 R)
• M12: 10,361,747 km (0.103 R)
• M13: 12,040,684 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.6

Radius: 9.6

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.72 AU - 2.74 AU

Year: 2341 Days

Day: 5 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,269,189 km

• M1: 120,127 km (0.076 R)
• M2: 437,275 km (0.052 R)
• M3: 942,167 km (0.087 R)
• M4: 1,356,553 km (0.107 R)
• M5: 2,156,902 km (0.05 R)
• M6: 2,462,082 km (0.095 R)
• M7: 3,986,334 km (0.092 R)
• M8: 4,534,162 km (0.069 R)
• M9: 5,294,568 km (0.12 R)
• M10: 5,705,513 km (0.042 R)
• M11: 6,059,761 km (0.118 R)
• M12: 7,240,986 km (0.117 R)
• M13: 7,748,123 km (0.063 R)
• M14: 8,183,303 km (0.089 R)
• M15: 9,136,989 km (0.1 R)
• M16: 11,741,937 km (0.03 R)
• M17: 13,478,319 km (0.108 R)
• M18: 17,506,242 km (0.096 R)
• M19: 18,094,012 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.4

Radius: 14.2

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.89 AU - 4.15 AU

Year: 5666 Days

Day: 6.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,269,189 km

• M1: 186,848 km (0.12 R)
• M2: 630,106 km (0.115 R)
• M3: 1,073,066 km (0.117 R)
• M4: 1,713,195 km (0.114 R)
• M5: 2,343,002 km (0.11 R)
• M6: 2,792,843 km (0.094 R)
• M7: 3,609,647 km (0.057 R)
• M8: 4,656,683 km (0.095 R)
• M9: 5,101,736 km (0.112 R)
• M10: 6,048,092 km (0.086 R)
• M11: 6,709,165 km (0.103 R)
• M12: 7,523,427 km (0.084 R)
• M13: 8,907,057 km (0.098 R)
• M14: 9,472,687 km (0.107 R)
• M15: 15,874,728 km (0.111 R)
• M16: 18,462,172 km (0.105 R)
• M17: 22,187,309 km (0.116 R)
• M18: 22,778,819 km (0.108 R)
• M19: 24,303,820 km (0.112 R)
• M20: 24,774,305 km (0.108 R)
• M21: 26,469,249 km (0.038 R)
• M22: 28,154,170 km (0.096 R)
• M23: 29,730,782 km (0.075 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: 282 - 13,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit