🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277

Radius: 12.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.51 AU - 0.59 AU

Year: 277 Days

Day: 10.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,561,461 km

• M1: 150,495 km (0.094 R)
• M2: 637,287 km (0.118 R)
• M3: 1,088,773 km (0.114 R)
• M4: 1,674,898 km (0.077 R)
• M5: 2,096,614 km (0.111 R)
• M6: 2,542,416 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.9

Radius: 15

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.85 AU - 0.85 AU

Year: 532 Days

Day: 13.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,561,461 km

• M1: 186,549 km (0.055 R)
• M2: 820,395 km (0.075 R)
• M3: 1,308,383 km (0.113 R)
• M4: 1,812,677 km (0.118 R)
• M5: 2,883,948 km (0.11 R)
• M6: 3,489,670 km (0.118 R)
• M7: 4,072,054 km (0.071 R)
• M8: 4,899,181 km (0.117 R)
• M9: 5,632,809 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21

Radius: 11.1

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.01 AU - 1.29 AU

Year: 836 Days

Day: 13.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,561,461 km

• M1: 140,173 km (0.115 R)
• M2: 682,017 km (0.087 R)
• M3: 1,047,035 km (0.115 R)
• M4: 2,018,374 km (0.082 R)
• M5: 2,764,120 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270

Radius: 14.4

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.12 AU - 1.32 AU

Year: 914 Days

Day: 7.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,561,461 km

• M1: 179,218 km (0.07 R)
• M2: 779,405 km (0.115 R)
• M3: 1,643,482 km (0.064 R)
• M4: 2,345,695 km (0.103 R)
• M5: 2,850,288 km (0.081 R)
• M6: 4,600,883 km (0.068 R)
• M7: 5,162,922 km (0.09 R)
• M8: 5,806,941 km (0.109 R)
• M9: 6,484,619 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.9

Radius: 14.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.93 AU - 2.61 AU

Year: 2320 Days

Day: 7.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,561,461 km

• M1: 185,501 km (0.088 R)
• M2: 915,539 km (0.118 R)
• M3: 1,405,023 km (0.036 R)
• M4: 2,544,809 km (0.077 R)
• M5: 3,441,649 km (0.115 R)
• M6: 4,000,097 km (0.089 R)
• M7: 5,588,827 km (0.035 R)
• M8: 7,106,048 km (0.084 R)
• M9: 8,105,213 km (0.096 R)
• M10: 9,943,172 km (0.081 R)
• M11: 11,484,928 km (0.116 R)
• M12: 12,083,469 km (0.074 R)
• M13: 14,216,435 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.2

Radius: 8.3

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.08 AU - 4.82 AU

Year: 5325 Days

Day: 12.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,561,461 km

• M1: 112,498 km (0.057 R)
• M2: 385,364 km (0.084 R)
• M3: 701,913 km (0.082 R)
• M4: 1,871,170 km (0.05 R)
• M5: 3,662,605 km (0.044 R)
• M6: 4,806,280 km (0.089 R)
• M7: 6,070,083 km (0.112 R)
• M8: 6,563,457 km (0.103 R)
• M9: 7,167,832 km (0.118 R)
• M10: 8,972,282 km (0.078 R)
• M11: 9,238,417 km (0.077 R)
• M12: 13,280,850 km (0.072 R)
• M13: 14,747,059 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.6

Radius: 9.9

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.22 AU - 4.58 AU

Year: 6260 Days

Day: 12.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,561,461 km

• M1: 123,269 km (0.045 R)
• M2: 460,612 km (0.103 R)
• M3: 860,637 km (0.118 R)
• M4: 1,388,567 km (0.105 R)
• M5: 2,313,082 km (0.117 R)
• M6: 3,626,851 km (0.092 R)
• M7: 4,419,570 km (0.082 R)
• M8: 5,651,359 km (0.09 R)
• M9: 6,087,586 km (0.1 R)
• M10: 6,715,448 km (0.051 R)
• M11: 7,385,946 km (0.084 R)
• M12: 8,943,110 km (0.079 R)
• M13: 11,872,536 km (0.059 R)
• M14: 12,433,528 km (0.036 R)
• M15: 13,774,374 km (0.114 R)
• M16: 14,166,470 km (0.096 R)
• M17: 15,209,167 km (0.059 R)
• M18: 16,240,195 km (0.081 R)
• M19: 18,986,513 km (0.106 R)
• M20: 19,966,828 km (0.068 R)
• M21: 26,140,732 km (0.103 R)
• M22: 27,265,409 km (0.057 R)
• M23: 28,062,915 km (0.109 R)
• M24: 28,966,935 km (0.037 R)
• M25: 31,601,802 km (0.092 R)
• M26: 33,077,136 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.5

Radius: 7.6

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.31 AU - 8.67 AU

Year: 13903 Days

Day: 20 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,561,461 km

• M1: 94,695 km (0.066 R)
• M2: 1,697,637 km (0.114 R)
• M3: 2,470,758 km (0.051 R)
• M4: 4,511,124 km (0.105 R)
• M5: 5,658,091 km (0.119 R)
• M6: 8,929,347 km (0.073 R)
• M7: 9,847,579 km (0.085 R)
• M8: 11,041,520 km (0.025 R)
• M9: 13,902,280 km (0.103 R)
• M10: 14,671,512 km (0.109 R)
• M11: 15,066,750 km (0.058 R)
• M12: 17,149,900 km (0.113 R)
• M13: 18,871,622 km (0.109 R)
• M14: 19,496,642 km (0.068 R)
• M15: 28,923,851 km (0.077 R)
• M16: 39,711,353 km (0.093 R)
• M17: 46,837,448 km (0.113 R)
• M18: 48,271,194 km (0.089 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 13,702 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit