🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.6

Radius: 12.3

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.75 AU - 0.77 AU

Year: 435 Days

Day: 12 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 67,953,990 km

• M1: 153,039 km (0.066 R)
• M2: 590,762 km (0.106 R)
• M3: 1,007,990 km (0.093 R)
• M4: 1,573,919 km (0.058 R)
• M5: 2,048,294 km (0.047 R)
• M6: 3,320,175 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841

Radius: 13.7

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.9 AU - 0.96 AU

Year: 588 Days

Day: 13.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 116.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,953,990 km

• M1: 170,392 km (0.029 R)
• M2: 705,354 km (0.117 R)
• M3: 1,177,634 km (0.098 R)
• M4: 1,652,009 km (0.12 R)
• M5: 2,142,391 km (0.097 R)
• M6: 3,052,245 km (0.069 R)
• M7: 3,801,731 km (0.106 R)
• M8: 4,281,192 km (0.062 R)
• M9: 5,170,850 km (0.077 R)
• M10: 6,298,220 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.6

Radius: 12.6

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.98 AU - 1.52 AU

Year: 917 Days

Day: 13.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,953,990 km

• M1: 156,779 km (0.073 R)
• M2: 564,283 km (0.064 R)
• M3: 1,163,423 km (0.044 R)
• M4: 1,594,713 km (0.047 R)
• M5: 2,162,138 km (0.092 R)
• M6: 2,839,517 km (0.09 R)
• M7: 3,253,754 km (0.119 R)
• M8: 3,818,336 km (0.103 R)
• M9: 4,795,809 km (0.094 R)
• M10: 5,300,253 km (0.108 R)
• M11: 5,895,951 km (0.116 R)
• M12: 6,337,265 km (0.082 R)
• M13: 6,780,075 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.3

Radius: 12.7

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.31 AU - 1.35 AU

Year: 1006 Days

Day: 10.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,953,990 km

• M1: 157,975 km (0.08 R)
• M2: 681,119 km (0.106 R)
• M3: 1,260,661 km (0.097 R)
• M4: 1,670,559 km (0.101 R)
• M5: 2,171,263 km (0.027 R)
• M6: 2,982,234 km (0.091 R)
• M7: 3,664,849 km (0.093 R)
• M8: 5,996,331 km (0.118 R)
• M9: 6,892,423 km (0.102 R)
• M10: 7,981,944 km (0.09 R)
• M11: 8,415,479 km (0.054 R)
• M12: 9,389,361 km (0.077 R)
• M13: 10,373,266 km (0.096 R)
• M14: 10,989,310 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.7

Radius: 12.5

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.3 AU - 1.76 AU

Year: 1241 Days

Day: 10.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,953,990 km

• M1: 155,432 km (0.054 R)
• M2: 735,124 km (0.11 R)
• M3: 1,160,879 km (0.065 R)
• M4: 1,617,452 km (0.055 R)
• M5: 2,847,147 km (0.109 R)
• M6: 3,272,005 km (0.108 R)
• M7: 3,754,009 km (0.115 R)
• M8: 4,574,404 km (0.117 R)
• M9: 5,567,434 km (0.108 R)
• M10: 5,994,985 km (0.074 R)
• M11: 6,528,750 km (0.082 R)
• M12: 8,223,395 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.4

Radius: 14.5

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.42 AU - 2.59 AU

Year: 2593 Days

Day: 8.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,953,990 km

• M1: 180,265 km (0.057 R)
• M2: 971,040 km (0.096 R)
• M3: 1,635,105 km (0.052 R)
• M4: 2,086,442 km (0.067 R)
• M5: 3,120,761 km (0.076 R)
• M6: 3,610,694 km (0.113 R)
• M7: 4,474,323 km (0.106 R)
• M8: 5,261,208 km (0.048 R)
• M9: 6,190,360 km (0.039 R)
• M10: 9,924,772 km (0.107 R)
• M11: 12,978,363 km (0.11 R)
• M12: 15,476,797 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.5

Radius: 10.6

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.36 AU - 3.66 AU

Year: 4314 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,953,990 km

• M1: 132,544 km (0.116 R)
• M2: 464,202 km (0.109 R)
• M3: 964,906 km (0.104 R)
• M4: 1,381,985 km (0.065 R)
• M5: 2,547,801 km (0.105 R)
• M6: 3,255,698 km (0.059 R)
• M7: 3,656,322 km (0.039 R)
• M8: 4,736,418 km (0.032 R)
• M9: 5,325,983 km (0.091 R)
• M10: 5,806,342 km (0.094 R)
• M11: 6,680,742 km (0.114 R)
• M12: 7,149,731 km (0.105 R)
• M13: 8,088,458 km (0.114 R)
• M14: 9,107,369 km (0.036 R)
• M15: 9,611,214 km (0.07 R)
• M16: 10,095,762 km (0.049 R)
• M17: 10,596,316 km (0.066 R)
• M18: 13,261,253 km (0.115 R)
• M19: 15,318,224 km (0.107 R)
• M20: 17,967,751 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.2

Radius: 3.9

Gravity: 30.45 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.54 AU - 10.32 AU

Year: 20527 Days

Day: 20.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,953,990 km

• M1: 48,470 km (0.11 R)
• M2: 291,716 km (0.066 R)
• M3: 633,547 km (0.115 R)
• M4: 832,363 km (0.11 R)
• M5: 975,528 km (0.079 R)
• M6: 1,122,283 km (0.119 R)
• M7: 1,445,415 km (0.065 R)
• M8: 1,603,988 km (0.057 R)
• M9: 2,032,586 km (0.098 R)
• M10: 2,211,655 km (0.097 R)
• M11: 2,741,082 km (0.119 R)
• M12: 2,910,277 km (0.09 R)
• M13: 3,035,490 km (0.1 R)
• M14: 5,793,626 km (0.065 R)
• M15: 8,135,731 km (0.111 R)
• M16: 8,284,580 km (0.065 R)
• M17: 9,056,206 km (0.086 R)
• M18: 10,564,003 km (0.094 R)
• M19: 14,863,296 km (0.079 R)
• M20: 16,547,469 km (0.1 R)
• M21: 17,517,761 km (0.091 R)
• M22: 21,212,380 km (0.084 R)
• M23: 24,974,018 km (0.088 R)
• M24: 32,149,330 km (0.083 R)
• M25: 35,472,049 km (0.084 R)
• M26: 37,901,817 km (0.082 R)
• M27: 38,040,046 km (0.099 R)
• M28: 38,317,251 km (0.081 R)
• M29: 39,298,463 km (0.069 R)
• M30: 42,194,079 km (0.105 R)
• M31: 51,051,620 km (0.11 R)
• M32: 52,068,287 km (0.099 R)
• M33: 63,960,570 km (0.104 R)
• M34: 64,943,876 km (0.068 R)
• M35: 67,547,328 km (0.082 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: 517 - 20,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit