🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.2

Radius: 10.6

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.65 AU - 0.73 AU

Year: 396 Days

Day: 8.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,152,992 km

• M1: 132,095 km (0.117 R)
• M2: 548,875 km (0.082 R)
• M3: 904,768 km (0.116 R)
• M4: 1,279,660 km (0.108 R)
• M5: 1,614,909 km (0.08 R)
• M6: 2,067,891 km (0.095 R)
• M7: 2,880,507 km (0.097 R)
• M8: 3,372,385 km (0.078 R)
• M9: 3,985,586 km (0.111 R)
• M10: 4,439,466 km (0.081 R)
• M11: 5,288,584 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 13.3

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.69 AU - 0.83 AU

Year: 457 Days

Day: 9.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 32,152,992 km

• M1: 165,455 km (0.109 R)
• M2: 645,066 km (0.071 R)
• M3: 1,110,914 km (0.095 R)
• M4: 1,675,945 km (0.083 R)
• M5: 2,156,154 km (0.044 R)
• M6: 2,595,224 km (0.086 R)
• M7: 3,010,358 km (0.115 R)
• M8: 3,528,116 km (0.113 R)
• M9: 4,816,603 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.4

Radius: 10.4

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.09 AU - 1.37 AU

Year: 942 Days

Day: 7.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 32,152,992 km

• M1: 129,402 km (0.118 R)
• M2: 575,802 km (0.103 R)
• M3: 1,129,314 km (0.066 R)
• M4: 1,465,012 km (0.034 R)
• M5: 2,066,844 km (0.03 R)
• M6: 2,590,736 km (0.082 R)
• M7: 2,970,116 km (0.115 R)
• M8: 3,624,457 km (0.075 R)
• M9: 4,441,860 km (0.065 R)
• M10: 5,045,787 km (0.068 R)
• M11: 5,808,137 km (0.094 R)
• M12: 6,576,472 km (0.054 R)
• M13: 7,093,333 km (0.078 R)
• M14: 7,687,685 km (0.119 R)
• M15: 8,261,542 km (0.074 R)
• M16: 8,641,371 km (0.12 R)
• M17: 9,881,687 km (0.093 R)
• M18: 10,528,997 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.1

Radius: 10

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.95 AU - 2.91 AU

Year: 2615 Days

Day: 10 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 32,152,992 km

• M1: 124,316 km (0.069 R)
• M2: 506,239 km (0.08 R)
• M3: 1,029,533 km (0.086 R)
• M4: 1,359,545 km (0.094 R)
• M5: 2,841,312 km (0.032 R)
• M6: 3,620,268 km (0.047 R)
• M7: 4,625,716 km (0.099 R)
• M8: 5,367,871 km (0.084 R)
• M9: 6,383,640 km (0.082 R)
• M10: 6,847,843 km (0.08 R)
• M11: 7,210,617 km (0.12 R)
• M12: 7,650,136 km (0.12 R)
• M13: 8,410,991 km (0.119 R)
• M14: 9,404,321 km (0.118 R)
• M15: 9,853,264 km (0.103 R)
• M16: 10,474,095 km (0.048 R)
• M17: 11,120,807 km (0.111 R)
• M18: 11,538,334 km (0.057 R)
• M19: 12,763,391 km (0.11 R)
• M20: 13,221,310 km (0.059 R)
• M21: 14,961,133 km (0.065 R)
• M22: 15,781,379 km (0.061 R)
• M23: 16,631,394 km (0.052 R)
• M24: 18,020,111 km (0.08 R)
• M25: 19,364,696 km (0.111 R)
• M26: 20,900,767 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.7

Radius: 13.8

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.35 AU - 2.67 AU

Year: 2745 Days

Day: 10.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,152,992 km

• M1: 172,187 km (0.095 R)
• M2: 651,648 km (0.107 R)
• M3: 1,724,265 km (0.117 R)
• M4: 2,185,026 km (0.095 R)
• M5: 2,854,627 km (0.093 R)
• M6: 3,832,398 km (0.036 R)
• M7: 4,653,242 km (0.117 R)
• M8: 5,094,107 km (0.054 R)
• M9: 5,639,690 km (0.059 R)
• M10: 6,169,416 km (0.045 R)
• M11: 6,790,397 km (0.098 R)
• M12: 7,736,005 km (0.112 R)
• M13: 8,324,374 km (0.093 R)
• M14: 10,309,388 km (0.082 R)
• M15: 11,267,861 km (0.111 R)
• M16: 12,285,127 km (0.104 R)
• M17: 12,951,286 km (0.115 R)
• M18: 14,115,157 km (0.065 R)
• M19: 18,945,972 km (0.101 R)
• M20: 19,896,367 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.7

Radius: 11.3

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.23 AU - 4.11 AU

Year: 4853 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,152,992 km

• M1: 147,653 km (0.113 R)
• M2: 598,541 km (0.115 R)
• M3: 1,015,470 km (0.101 R)
• M4: 1,959,732 km (0.112 R)
• M5: 2,431,564 km (0.089 R)
• M6: 3,035,790 km (0.072 R)
• M7: 3,940,857 km (0.073 R)
• M8: 4,647,258 km (0.052 R)
• M9: 5,210,045 km (0.11 R)
• M10: 7,003,275 km (0.1 R)
• M11: 7,965,339 km (0.064 R)
• M12: 9,094,503 km (0.114 R)
• M13: 11,287,608 km (0.103 R)
• M14: 12,456,566 km (0.079 R)
• M15: 13,227,145 km (0.108 R)
• M16: 14,806,898 km (0.066 R)
• M17: 15,206,324 km (0.108 R)
• M18: 17,375,643 km (0.062 R)
• M19: 17,820,248 km (0.096 R)
• M20: 19,132,520 km (0.103 R)
• M21: 21,148,501 km (0.065 R)
• M22: 22,618,749 km (0.038 R)
• M23: 23,765,417 km (0.086 R)
• M24: 24,870,197 km (0.073 R)
• M25: 29,274,508 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.4

Radius: 8.6

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.94 AU - 4.9 AU

Year: 5357 Days

Day: 10.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,152,992 km

• M1: 107,112 km (0.109 R)
• M2: 403,765 km (0.092 R)
• M3: 989,590 km (0.116 R)
• M4: 1,344,436 km (0.03 R)
• M5: 1,770,042 km (0.111 R)
• M6: 2,637,111 km (0.074 R)
• M7: 3,267,068 km (0.098 R)
• M8: 3,831,201 km (0.068 R)
• M9: 6,295,078 km (0.111 R)
• M10: 8,746,090 km (0.116 R)
• M11: 10,006,452 km (0.08 R)
• M12: 10,726,167 km (0.104 R)
• M13: 15,255,991 km (0.04 R)
• M14: 18,897,951 km (0.119 R)
• M15: 22,019,909 km (0.12 R)
• M16: 23,158,349 km (0.114 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 12,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit