🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.8

Radius: 8.7

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.54 AU - 0.78 AU

Year: 370 Days

Day: 14.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,459,765 km

• M1: 108,159 km (0.115 R)
• M2: 380,278 km (0.098 R)
• M3: 750,383 km (0.113 R)
• M4: 1,371,812 km (0.098 R)
• M5: 1,661,434 km (0.041 R)
• M6: 2,109,180 km (0.064 R)
• M7: 2,527,606 km (0.079 R)
• M8: 2,903,545 km (0.117 R)
• M9: 3,304,916 km (0.085 R)
• M10: 3,806,967 km (0.084 R)
• M11: 4,164,655 km (0.102 R)
• M12: 4,559,294 km (0.116 R)
• M13: 4,978,617 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.7

Radius: 10.4

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.71 AU - 0.95 AU

Year: 522 Days

Day: 13.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,459,765 km

• M1: 129,402 km (0.069 R)
• M2: 887,115 km (0.059 R)
• M3: 1,350,570 km (0.114 R)
• M4: 2,031,539 km (0.053 R)
• M5: 2,519,527 km (0.082 R)
• M6: 2,905,639 km (0.11 R)
• M7: 3,235,652 km (0.113 R)
• M8: 3,904,654 km (0.055 R)
• M9: 4,498,258 km (0.049 R)
• M10: 4,863,876 km (0.059 R)
• M11: 5,655,099 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.8

Radius: 11.2

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.97 AU - 1.33 AU

Year: 851 Days

Day: 11.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 69.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,459,765 km

• M1: 139,276 km (0.085 R)
• M2: 536,159 km (0.03 R)
• M3: 912,996 km (0.095 R)
• M4: 1,429,856 km (0.073 R)
• M5: 1,863,241 km (0.109 R)
• M6: 2,331,184 km (0.054 R)
• M7: 2,840,415 km (0.11 R)
• M8: 3,273,501 km (0.078 R)
• M9: 3,975,563 km (0.093 R)
• M10: 4,371,100 km (0.104 R)
• M11: 4,792,817 km (0.067 R)
• M12: 5,241,760 km (0.114 R)
• M13: 5,718,528 km (0.095 R)
• M14: 6,079,657 km (0.088 R)
• M15: 7,209,869 km (0.109 R)
• M16: 7,655,970 km (0.088 R)
• M17: 8,839,439 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.4

Radius: 14.6

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.17 AU - 1.27 AU

Year: 930 Days

Day: 13.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,459,765 km

• M1: 181,612 km (0.106 R)
• M2: 676,781 km (0.076 R)
• M3: 1,278,314 km (0.081 R)
• M4: 1,857,557 km (0.067 R)
• M5: 2,424,084 km (0.067 R)
• M6: 2,930,024 km (0.065 R)
• M7: 3,749,820 km (0.106 R)
• M8: 4,206,842 km (0.111 R)
• M9: 4,892,150 km (0.047 R)
• M10: 8,255,708 km (0.119 R)
• M11: 9,279,107 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.3

Radius: 14.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.39 AU - 1.71 AU

Year: 1332 Days

Day: 6 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,459,765 km

• M1: 182,809 km (0.037 R)
• M2: 913,893 km (0.108 R)
• M3: 1,795,025 km (0.094 R)
• M4: 2,690,667 km (0.12 R)
• M5: 3,169,680 km (0.095 R)
• M6: 3,749,820 km (0.089 R)
• M7: 4,823,185 km (0.073 R)
• M8: 5,711,946 km (0.108 R)
• M9: 6,469,659 km (0.068 R)
• M10: 6,973,804 km (0.102 R)
• M11: 7,670,930 km (0.096 R)
• M12: 8,363,269 km (0.075 R)
• M13: 8,883,122 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.5

Radius: 10

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.92 AU - 2.54 AU

Year: 2299 Days

Day: 10.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,459,765 km

• M1: 124,316 km (0.086 R)
• M2: 439,519 km (0.073 R)
• M3: 1,090,568 km (0.117 R)
• M4: 1,440,029 km (0.027 R)
• M5: 1,751,342 km (0.076 R)
• M6: 2,277,777 km (0.065 R)
• M7: 4,033,757 km (0.085 R)
• M8: 4,729,686 km (0.08 R)
• M9: 5,332,715 km (0.106 R)
• M10: 6,197,690 km (0.067 R)
• M11: 7,636,074 km (0.046 R)
• M12: 8,632,844 km (0.116 R)
• M13: 12,355,887 km (0.025 R)
• M14: 16,559,886 km (0.115 R)
• M15: 18,168,362 km (0.107 R)
• M16: 18,558,214 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.8

Radius: 5.4

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.98 AU - 6.06 AU

Year: 10195 Days

Day: 19.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 124.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 35,459,765 km

• M1: 67,169 km (0.118 R)
• M2: 244,144 km (0.084 R)
• M3: 444,006 km (0.112 R)
• M4: 860,936 km (0.069 R)
• M5: 1,081,293 km (0.087 R)
• M6: 1,732,194 km (0.055 R)
• M7: 2,055,624 km (0.096 R)
• M8: 2,803,314 km (0.056 R)
• M9: 2,980,438 km (0.047 R)
• M10: 3,671,880 km (0.041 R)
• M11: 4,030,466 km (0.094 R)
• M12: 4,679,721 km (0.092 R)
• M13: 4,986,396 km (0.119 R)
• M14: 7,080,318 km (0.102 R)
• M15: 7,827,260 km (0.119 R)
• M16: 8,380,323 km (0.044 R)
• M17: 8,625,215 km (0.04 R)
• M18: 10,058,512 km (0.085 R)
• M19: 10,664,383 km (0.103 R)
• M20: 14,409,117 km (0.113 R)
• M21: 15,420,399 km (0.102 R)
• M22: 15,912,277 km (0.06 R)
• M23: 17,716,577 km (0.098 R)
• M24: 21,573,359 km (0.08 R)
• M25: 22,033,522 km (0.084 R)
• M26: 24,433,671 km (0.087 R)
• M27: 25,355,792 km (0.032 R)
• M28: 25,611,155 km (0.067 R)
• M29: 26,826,040 km (0.078 R)
• M30: 27,537,228 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 15,835 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit