🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.4

Radius: 11.6

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.58 AU - 0.64 AU

Year: 318 Days

Day: 15 Hours

Environment

Temp: -152 °C

Axial Tilt: 93.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,791,751 km

• M1: 144,362 km (0.104 R)
• M2: 832,213 km (0.081 R)
• M3: 1,204,412 km (0.07 R)
• M4: 1,605,036 km (0.096 R)
• M5: 2,114,865 km (0.072 R)
• M6: 2,572,186 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.5

Radius: 9

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.95 AU - 1.23 AU

Year: 759 Days

Day: 10.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,791,751 km

• M1: 113,994 km (0.098 R)
• M2: 420,669 km (0.062 R)
• M3: 815,009 km (0.053 R)
• M4: 1,149,061 km (0.073 R)
• M5: 1,782,907 km (0.081 R)
• M6: 2,179,043 km (0.053 R)
• M7: 2,729,563 km (0.105 R)
• M8: 3,218,748 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.1

Radius: 9.3

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.2 AU - 1.74 AU

Year: 1189 Days

Day: 12.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,791,751 km

• M1: 116,387 km (0.115 R)
• M2: 468,391 km (0.114 R)
• M3: 781,798 km (0.089 R)
• M4: 1,083,537 km (0.077 R)
• M5: 1,373,458 km (0.117 R)
• M6: 1,899,893 km (0.099 R)
• M7: 2,534,786 km (0.08 R)
• M8: 3,032,349 km (0.119 R)
• M9: 3,369,094 km (0.044 R)
• M10: 3,928,440 km (0.112 R)
• M11: 4,644,415 km (0.038 R)
• M12: 5,737,677 km (0.11 R)
• M13: 6,762,273 km (0.118 R)
• M14: 7,473,012 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.5

Radius: 8.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.7 AU - 2.56 AU

Year: 2073 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,791,751 km

• M1: 111,151 km (0.077 R)
• M2: 490,831 km (0.075 R)
• M3: 880,683 km (0.066 R)
• M4: 1,389,315 km (0.111 R)
• M5: 1,711,400 km (0.108 R)
• M6: 2,028,547 km (0.105 R)
• M7: 2,385,188 km (0.099 R)
• M8: 3,180,900 km (0.093 R)
• M9: 3,551,453 km (0.091 R)
• M10: 4,179,316 km (0.104 R)
• M11: 4,605,520 km (0.106 R)
• M12: 6,294,929 km (0.114 R)
• M13: 7,773,554 km (0.032 R)
• M14: 8,162,658 km (0.05 R)
• M15: 9,470,742 km (0.116 R)
• M16: 9,979,524 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578

Radius: 13.1

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.95 AU - 2.35 AU

Year: 2102 Days

Day: 5.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,791,751 km

• M1: 164,857 km (0.093 R)
• M2: 630,555 km (0.085 R)
• M3: 1,088,773 km (0.092 R)
• M4: 1,777,372 km (0.099 R)
• M5: 2,366,040 km (0.117 R)
• M6: 2,858,067 km (0.075 R)
• M7: 4,416,428 km (0.077 R)
• M8: 5,576,560 km (0.113 R)
• M9: 6,153,559 km (0.061 R)
• M10: 7,121,158 km (0.105 R)
• M11: 11,834,388 km (0.098 R)
• M12: 14,056,066 km (0.116 R)
• M13: 14,854,769 km (0.08 R)
• M14: 15,496,843 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 13.4

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.03 AU - 2.89 AU

Year: 2573 Days

Day: 5 Hours

Environment

Temp: -208 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,791,751 km

• M1: 166,652 km (0.116 R)
• M2: 597,195 km (0.099 R)
• M3: 1,113,906 km (0.12 R)
• M4: 1,591,273 km (0.025 R)
• M5: 2,044,704 km (0.094 R)
• M6: 3,560,280 km (0.061 R)
• M7: 4,565,278 km (0.118 R)
• M8: 5,612,613 km (0.069 R)
• M9: 6,762,123 km (0.092 R)
• M10: 8,330,208 km (0.099 R)
• M11: 9,361,236 km (0.09 R)
• M12: 10,723,026 km (0.073 R)
• M13: 11,638,864 km (0.106 R)
• M14: 12,526,877 km (0.084 R)
• M15: 13,418,181 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.4

Radius: 11.6

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.07 AU - 3.07 AU

Year: 2747 Days

Day: 6.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,791,751 km

• M1: 145,409 km (0.104 R)
• M2: 834,307 km (0.115 R)
• M3: 1,458,729 km (0.113 R)
• M4: 1,847,534 km (0.033 R)
• M5: 2,525,810 km (0.071 R)
• M6: 2,923,741 km (0.049 R)
• M7: 3,747,427 km (0.098 R)
• M8: 4,512,620 km (0.066 R)
• M9: 5,612,314 km (0.059 R)
• M10: 6,703,032 km (0.119 R)
• M11: 7,473,311 km (0.046 R)
• M12: 8,720,359 km (0.041 R)
• M13: 9,449,948 km (0.095 R)
• M14: 10,947,722 km (0.072 R)
• M15: 11,710,073 km (0.111 R)
• M16: 12,282,434 km (0.047 R)
• M17: 13,105,521 km (0.082 R)
• M18: 15,428,627 km (0.067 R)
• M19: 17,159,325 km (0.102 R)
• M20: 17,955,933 km (0.095 R)
• M21: 20,684,000 km (0.104 R)
• M22: 21,390,700 km (0.062 R)
• M23: 21,782,946 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.3

Radius: 11.6

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.96 AU - 6.12 AU

Year: 8695 Days

Day: 5.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,791,751 km

• M1: 150,196 km (0.065 R)
• M2: 579,093 km (0.12 R)
• M3: 986,897 km (0.08 R)
• M4: 1,392,457 km (0.051 R)
• M5: 2,256,235 km (0.113 R)
• M6: 3,279,185 km (0.115 R)
• M7: 4,182,906 km (0.076 R)
• M8: 4,693,484 km (0.112 R)
• M9: 5,103,531 km (0.1 R)
• M10: 5,933,500 km (0.048 R)
• M11: 6,315,723 km (0.085 R)
• M12: 7,094,829 km (0.115 R)
• M13: 7,489,468 km (0.065 R)
• M14: 8,362,521 km (0.096 R)
• M15: 11,054,086 km (0.033 R)
• M16: 12,648,350 km (0.113 R)
• M17: 13,555,063 km (0.081 R)
• M18: 15,557,879 km (0.071 R)
• M19: 16,913,535 km (0.075 R)
• M20: 17,882,032 km (0.068 R)
• M21: 19,368,885 km (0.094 R)
• M22: 24,566,214 km (0.103 R)
• M23: 26,230,790 km (0.06 R)
• M24: 26,917,294 km (0.047 R)
• M25: 27,792,143 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.5

Radius: 5.6

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.85 AU - 7.69 AU

Year: 11747 Days

Day: 15.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 77.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,791,751 km

• M1: 104,270 km (0.103 R)
• M2: 333,603 km (0.06 R)
• M3: 993,330 km (0.078 R)
• M4: 2,100,653 km (0.081 R)
• M5: 3,644,055 km (0.077 R)
• M6: 5,567,734 km (0.088 R)
• M7: 5,981,521 km (0.069 R)
• M8: 6,978,292 km (0.107 R)
• M9: 7,197,602 km (0.113 R)
• M10: 7,573,243 km (0.081 R)
• M11: 7,766,074 km (0.054 R)
• M12: 9,832,170 km (0.07 R)
• M13: 12,937,224 km (0.093 R)
• M14: 13,948,206 km (0.074 R)
• M15: 15,438,201 km (0.084 R)
• M16: 20,095,632 km (0.096 R)
• M17: 23,508,557 km (0.104 R)
• M18: 26,396,395 km (0.08 R)
• M19: 30,961,523 km (0.064 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: 380 - 17,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit