🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.8

Radius: 10

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.76 AU - 1.12 AU

Year: 588 Days

Day: 5.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,271,172 km

• M1: 124,465 km (0.057 R)
• M2: 456,423 km (0.067 R)
• M3: 836,551 km (0.099 R)
• M4: 1,398,142 km (0.09 R)
• M5: 1,753,137 km (0.094 R)
• M6: 2,350,931 km (0.054 R)
• M7: 2,813,786 km (0.116 R)
• M8: 3,224,881 km (0.095 R)
• M9: 3,798,290 km (0.109 R)
• M10: 5,567,434 km (0.082 R)
• M11: 6,633,020 km (0.116 R)
• M12: 7,192,965 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.8

Radius: 13.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.07 AU - 1.65 AU

Year: 1024 Days

Day: 11.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,271,172 km

• M1: 180,864 km (0.109 R)
• M2: 629,957 km (0.1 R)
• M3: 1,247,347 km (0.086 R)
• M4: 1,728,903 km (0.044 R)
• M5: 2,677,353 km (0.05 R)
• M6: 3,340,969 km (0.105 R)
• M7: 3,802,329 km (0.053 R)
• M8: 4,241,100 km (0.031 R)
• M9: 5,087,824 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965

Radius: 9.2

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.16 AU - 1.62 AU

Year: 1058 Days

Day: 13 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,271,172 km

• M1: 114,742 km (0.115 R)
• M2: 538,403 km (0.095 R)
• M3: 911,201 km (0.103 R)
• M4: 1,382,434 km (0.061 R)
• M5: 1,759,720 km (0.092 R)
• M6: 2,073,875 km (0.109 R)
• M7: 2,816,928 km (0.102 R)
• M8: 3,521,983 km (0.11 R)
• M9: 4,198,315 km (0.088 R)
• M10: 5,656,744 km (0.085 R)
• M11: 6,187,667 km (0.035 R)
• M12: 7,793,750 km (0.096 R)
• M13: 8,679,070 km (0.092 R)
• M14: 11,014,742 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.2

Radius: 9.8

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.66 AU - 2.88 AU

Year: 2977 Days

Day: 8.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,271,172 km

• M1: 241,002 km (0.108 R)
• M2: 631,752 km (0.064 R)
• M3: 1,067,231 km (0.119 R)
• M4: 1,542,952 km (0.064 R)
• M5: 2,340,010 km (0.116 R)
• M6: 2,785,363 km (0.11 R)
• M7: 3,586,459 km (0.09 R)
• M8: 6,691,812 km (0.034 R)
• M9: 8,280,392 km (0.085 R)
• M10: 9,353,457 km (0.058 R)
• M11: 10,938,148 km (0.044 R)
• M12: 12,481,100 km (0.102 R)
• M13: 15,694,911 km (0.087 R)
• M14: 16,043,923 km (0.092 R)
• M15: 17,975,680 km (0.073 R)
• M16: 18,302,851 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.3

Radius: 11.2

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.17 AU - 3.41 AU

Year: 3009 Days

Day: 5.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,271,172 km

• M1: 139,425 km (0.091 R)
• M2: 1,098,647 km (0.096 R)
• M3: 1,487,152 km (0.115 R)
• M4: 2,345,994 km (0.094 R)
• M5: 3,317,333 km (0.109 R)
• M6: 4,371,250 km (0.039 R)
• M7: 5,135,695 km (0.09 R)
• M8: 5,759,668 km (0.105 R)
• M9: 6,460,384 km (0.053 R)
• M10: 7,275,244 km (0.093 R)
• M11: 7,632,035 km (0.118 R)
• M12: 8,445,249 km (0.096 R)
• M13: 8,839,738 km (0.093 R)
• M14: 9,808,235 km (0.103 R)
• M15: 10,884,292 km (0.057 R)
• M16: 11,312,441 km (0.084 R)
• M17: 13,894,800 km (0.106 R)
• M18: 14,632,317 km (0.119 R)
• M19: 16,135,477 km (0.052 R)
• M20: 16,847,114 km (0.07 R)
• M21: 17,792,572 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.8

Radius: 9.9

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.87 AU - 5.13 AU

Year: 6164 Days

Day: 8.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,271,172 km

• M1: 123,119 km (0.112 R)
• M2: 520,750 km (0.068 R)
• M3: 1,027,887 km (0.118 R)
• M4: 1,576,762 km (0.069 R)
• M5: 2,148,824 km (0.108 R)
• M6: 3,412,627 km (0.077 R)
• M7: 4,398,626 km (0.072 R)
• M8: 4,720,411 km (0.108 R)
• M9: 5,029,331 km (0.112 R)
• M10: 6,136,355 km (0.036 R)
• M11: 7,473,461 km (0.043 R)
• M12: 8,784,088 km (0.036 R)
• M13: 10,195,544 km (0.097 R)
• M14: 10,762,071 km (0.069 R)
• M15: 11,399,208 km (0.043 R)
• M16: 12,217,808 km (0.063 R)
• M17: 12,534,656 km (0.083 R)
• M18: 14,318,461 km (0.096 R)
• M19: 20,307,163 km (0.073 R)
• M20: 21,508,883 km (0.055 R)
• M21: 23,971,264 km (0.083 R)
• M22: 25,312,857 km (0.099 R)
• M23: 26,615,556 km (0.081 R)
• M24: 27,059,562 km (0.073 R)
• M25: 31,280,765 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.4

Radius: 7.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.16 AU - 9.08 AU

Year: 16341 Days

Day: 22.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,271,172 km

• M1: 95,743 km (0.083 R)
• M2: 470,635 km (0.091 R)
• M3: 851,212 km (0.1 R)
• M4: 1,249,441 km (0.113 R)
• M5: 1,901,987 km (0.101 R)
• M6: 3,617,426 km (0.076 R)
• M7: 3,912,882 km (0.098 R)
• M8: 5,671,854 km (0.115 R)
• M9: 7,700,102 km (0.115 R)
• M10: 8,529,023 km (0.114 R)
• M11: 8,920,820 km (0.108 R)
• M12: 9,881,987 km (0.042 R)
• M13: 13,526,340 km (0.074 R)
• M14: 14,545,251 km (0.057 R)
• M15: 14,979,235 km (0.107 R)
• M16: 20,883,713 km (0.102 R)
• M17: 22,079,748 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.6

Radius: 7.5

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 8.42 AU - 8.92 AU

Year: 16483 Days

Day: 23.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,271,172 km

• M1: 93,349 km (0.072 R)
• M2: 396,883 km (0.111 R)
• M3: 806,333 km (0.07 R)
• M4: 1,463,666 km (0.089 R)
• M5: 2,792,992 km (0.08 R)
• M6: 4,327,567 km (0.111 R)
• M7: 5,532,578 km (0.09 R)
• M8: 7,391,930 km (0.032 R)
• M9: 7,855,683 km (0.073 R)
• M10: 8,637,931 km (0.09 R)
• M11: 8,995,918 km (0.106 R)
• M12: 10,130,020 km (0.066 R)
• M13: 10,528,399 km (0.119 R)
• M14: 11,235,698 km (0.09 R)
• M15: 12,744,542 km (0.114 R)
• M16: 14,670,166 km (0.064 R)
• M17: 18,831,679 km (0.11 R)
• M18: 19,434,259 km (0.102 R)
• M19: 21,319,193 km (0.044 R)
• M20: 21,691,542 km (0.106 R)
• M21: 22,353,662 km (0.113 R)
• M22: 31,262,065 km (0.066 R)
• M23: 32,596,030 km (0.107 R)
• M24: 33,841,133 km (0.032 R)
• M25: 38,586,676 km (0.073 R)
• M26: 39,001,062 km (0.068 R)
• M27: 39,698,338 km (0.054 R)
• M28: 41,985,390 km (0.091 R)
• M29: 44,057,471 km (0.115 R)
• M30: 52,688,819 km (0.059 R)
• M31: 55,975,185 km (0.032 R)
• M32: 60,318,310 km (0.108 R)
• M33: 60,690,061 km (0.12 R)
• M34: 62,003,231 km (0.097 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 18,876 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit