🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.6

Radius: 12.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.42 AU - 0.66 AU

Year: 274 Days

Day: 6.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,726,215 km

• M1: 159,322 km (0.051 R)
• M2: 603,478 km (0.119 R)
• M3: 1,078,750 km (0.113 R)
• M4: 1,716,636 km (0.101 R)
• M5: 2,292,887 km (0.059 R)
• M6: 3,045,214 km (0.099 R)
• M7: 3,567,610 km (0.088 R)
• M8: 4,016,104 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.9

Radius: 11.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.2 AU - 1.92 AU

Year: 1345 Days

Day: 11.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,726,215 km

• M1: 145,858 km (0.058 R)
• M2: 625,768 km (0.119 R)
• M3: 1,119,740 km (0.034 R)
• M4: 1,715,289 km (0.083 R)
• M5: 3,443,593 km (0.112 R)
• M6: 3,899,867 km (0.113 R)
• M7: 4,732,379 km (0.08 R)
• M8: 7,491,861 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.5

Radius: 12.8

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.98 AU - 2.32 AU

Year: 2176 Days

Day: 14.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,726,215 km

• M1: 159,172 km (0.032 R)
• M2: 1,028,934 km (0.117 R)
• M3: 1,482,365 km (0.071 R)
• M4: 2,197,294 km (0.095 R)
• M5: 2,716,249 km (0.075 R)
• M6: 3,557,737 km (0.077 R)
• M7: 4,130,846 km (0.082 R)
• M8: 4,907,558 km (0.09 R)
• M9: 6,108,081 km (0.067 R)
• M10: 7,011,652 km (0.084 R)
• M11: 8,591,705 km (0.117 R)
• M12: 9,178,278 km (0.063 R)
• M13: 9,725,806 km (0.109 R)
• M14: 11,317,229 km (0.029 R)
• M15: 12,060,880 km (0.095 R)
• M16: 13,894,949 km (0.109 R)
• M17: 14,488,404 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.3

Radius: 9.1

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.17 AU - 3.11 AU

Year: 2961 Days

Day: 12.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,726,215 km

• M1: 113,096 km (0.107 R)
• M2: 470,934 km (0.087 R)
• M3: 847,921 km (0.076 R)
• M4: 1,205,160 km (0.028 R)
• M5: 1,747,902 km (0.095 R)
• M6: 2,716,398 km (0.095 R)
• M7: 3,930,534 km (0.119 R)
• M8: 4,510,226 km (0.056 R)
• M9: 4,875,843 km (0.101 R)
• M10: 5,214,832 km (0.088 R)
• M11: 6,196,643 km (0.107 R)
• M12: 6,487,012 km (0.103 R)
• M13: 7,095,427 km (0.067 R)
• M14: 7,741,391 km (0.052 R)
• M15: 9,320,695 km (0.108 R)
• M16: 9,951,400 km (0.105 R)
• M17: 11,494,352 km (0.101 R)
• M18: 12,426,497 km (0.097 R)
• M19: 12,720,008 km (0.057 R)
• M20: 13,452,140 km (0.107 R)
• M21: 14,257,575 km (0.092 R)
• M22: 15,094,874 km (0.088 R)
• M23: 15,525,716 km (0.077 R)
• M24: 16,162,255 km (0.075 R)
• M25: 16,918,472 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.2

Radius: 13.5

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.51 AU - 3.99 AU

Year: 5013 Days

Day: 9.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,726,215 km

• M1: 169,046 km (0.089 R)
• M2: 999,015 km (0.082 R)
• M3: 1,603,988 km (0.055 R)
• M4: 2,076,568 km (0.084 R)
• M5: 2,830,392 km (0.101 R)
• M6: 3,311,199 km (0.102 R)
• M7: 3,781,984 km (0.073 R)
• M8: 4,204,598 km (0.064 R)
• M9: 4,634,243 km (0.103 R)
• M10: 6,193,501 km (0.083 R)
• M11: 6,625,241 km (0.11 R)
• M12: 9,095,251 km (0.041 R)
• M13: 9,573,366 km (0.101 R)
• M14: 10,364,888 km (0.074 R)
• M15: 12,706,095 km (0.044 R)
• M16: 14,184,870 km (0.114 R)
• M17: 15,492,954 km (0.09 R)
• M18: 16,999,404 km (0.099 R)
• M19: 17,849,868 km (0.043 R)
• M20: 18,984,867 km (0.085 R)
• M21: 20,913,932 km (0.053 R)
• M22: 23,560,917 km (0.089 R)
• M23: 25,392,892 km (0.109 R)
• M24: 25,865,322 km (0.096 R)
• M25: 26,585,038 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.9

Radius: 10.3

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.18 AU - 5.26 AU

Year: 7078 Days

Day: 6.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 138.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,726,215 km

• M1: 129,402 km (0.1 R)
• M2: 875,447 km (0.111 R)
• M3: 1,250,040 km (0.105 R)
• M4: 2,630,978 km (0.115 R)
• M5: 5,770,588 km (0.108 R)
• M6: 10,079,007 km (0.118 R)
• M7: 10,517,927 km (0.048 R)
• M8: 13,193,186 km (0.114 R)
• M9: 14,749,901 km (0.12 R)
• M10: 15,316,279 km (0.046 R)
• M11: 19,922,397 km (0.112 R)
• M12: 20,848,857 km (0.071 R)
• M13: 21,243,346 km (0.076 R)
• M14: 26,098,845 km (0.097 R)
• M15: 33,442,604 km (0.1 R)
• M16: 35,640,945 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.7

Radius: 12.7

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.48 AU - 5.84 AU

Year: 8091 Days

Day: 7.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,726,215 km

• M1: 157,975 km (0.035 R)
• M2: 561,291 km (0.117 R)
• M3: 1,203,664 km (0.047 R)
• M4: 1,683,874 km (0.066 R)
• M5: 2,274,785 km (0.117 R)
• M6: 3,455,412 km (0.064 R)
• M7: 4,978,468 km (0.117 R)
• M8: 8,746,987 km (0.118 R)
• M9: 12,886,361 km (0.065 R)
• M10: 15,512,402 km (0.103 R)
• M11: 17,521,800 km (0.093 R)
• M12: 24,676,169 km (0.053 R)
• M13: 30,225,053 km (0.083 R)
• M14: 34,809,779 km (0.084 R)
• M15: 35,732,648 km (0.065 R)
• M16: 37,147,694 km (0.064 R)
• M17: 38,722,362 km (0.114 R)
• M18: 40,975,605 km (0.12 R)
• M19: 41,874,987 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.8

Radius: 9.9

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.68 AU - 6.32 AU

Year: 8903 Days

Day: 12.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,726,215 km

• M1: 125,662 km (0.026 R)
• M2: 1,080,396 km (0.087 R)
• M3: 2,831,289 km (0.096 R)
• M4: 5,166,362 km (0.083 R)
• M5: 14,078,955 km (0.076 R)
• M6: 14,725,218 km (0.068 R)
• M7: 16,184,395 km (0.077 R)
• M8: 19,816,183 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.8

Radius: 5.5

Gravity: 24.03 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.45 AU - 5.81 AU

Year: 9221 Days

Day: 22.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,726,215 km

• M1: 68,965 km (0.065 R)
• M2: 1,150,258 km (0.085 R)
• M3: 1,745,508 km (0.087 R)
• M4: 2,832,935 km (0.117 R)
• M5: 3,373,881 km (0.101 R)
• M6: 3,618,623 km (0.092 R)
• M7: 4,424,656 km (0.102 R)
• M8: 5,542,601 km (0.05 R)
• M9: 6,914,563 km (0.046 R)
• M10: 7,720,896 km (0.071 R)
• M11: 9,138,485 km (0.062 R)
• M12: 10,669,171 km (0.113 R)
• M13: 12,191,778 km (0.05 R)
• M14: 12,768,926 km (0.079 R)
• M15: 12,945,601 km (0.116 R)
• M16: 14,738,532 km (0.118 R)
• M17: 19,813,789 km (0.088 R)
• M18: 21,181,563 km (0.098 R)
• M19: 30,417,137 km (0.026 R)
• M20: 32,781,082 km (0.107 R)
• M21: 35,729,207 km (0.095 R)
• M22: 36,080,314 km (0.12 R)
• M23: 36,908,487 km (0.116 R)
• M24: 45,487,776 km (0.042 R)
• M25: 46,038,296 km (0.025 R)

Asteroid Belt

Center: 6.05 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.6

Radius: 7.6

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.65 AU - 7.27 AU

Year: 11333 Days

Day: 19.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,726,215 km

• M1: 106,364 km (0.087 R)
• M2: 357,838 km (0.052 R)
• M3: 883,226 km (0.081 R)
• M4: 1,164,619 km (0.057 R)
• M5: 1,584,541 km (0.073 R)
• M6: 1,867,580 km (0.089 R)
• M7: 4,315,151 km (0.11 R)
• M8: 4,588,017 km (0.03 R)
• M9: 5,634,903 km (0.119 R)
• M10: 6,163,283 km (0.084 R)
• M11: 7,907,444 km (0.084 R)
• M12: 9,313,215 km (0.079 R)
• M13: 9,957,234 km (0.117 R)
• M14: 10,483,669 km (0.111 R)
• M15: 12,229,028 km (0.034 R)
• M16: 14,040,807 km (0.103 R)
• M17: 16,219,401 km (0.102 R)
• M18: 19,119,655 km (0.115 R)
• M19: 19,857,921 km (0.099 R)
• M20: 20,234,159 km (0.106 R)
• M21: 22,106,377 km (0.039 R)
• M22: 25,214,721 km (0.094 R)
• M23: 26,282,252 km (0.052 R)
• M24: 32,178,652 km (0.105 R)
• M25: 33,011,912 km (0.101 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 16,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit