🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.5

Radius: 11.4

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.5 AU - 0.56 AU

Year: 271 Days

Day: 5.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,767,921 km

• M1: 141,819 km (0.084 R)
• M2: 581,637 km (0.116 R)
• M3: 987,196 km (0.116 R)
• M4: 1,600,248 km (0.108 R)
• M5: 2,194,002 km (0.112 R)
• M6: 2,671,220 km (0.086 R)
• M7: 3,324,214 km (0.116 R)
• M8: 3,694,918 km (0.091 R)
• M9: 4,080,880 km (0.09 R)
• M10: 4,507,234 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.8

Radius: 8.9

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.4 AU - 1.42 AU

Year: 1177 Days

Day: 8.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,767,921 km

• M1: 110,702 km (0.111 R)
• M2: 616,942 km (0.109 R)
• M3: 898,485 km (0.098 R)
• M4: 1,193,043 km (0.027 R)
• M5: 2,312,783 km (0.096 R)
• M6: 2,742,877 km (0.102 R)
• M7: 3,136,319 km (0.093 R)
• M8: 3,950,281 km (0.113 R)
• M9: 4,434,978 km (0.103 R)
• M10: 5,330,471 km (0.087 R)
• M11: 7,032,745 km (0.088 R)
• M12: 7,583,116 km (0.094 R)
• M13: 9,039,451 km (0.12 R)
• M14: 9,849,673 km (0.041 R)
• M15: 10,843,901 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.5

Radius: 8.9

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.99 AU - 2.21 AU

Year: 2139 Days

Day: 6.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,767,921 km

• M1: 114,592 km (0.069 R)
• M2: 433,684 km (0.084 R)
• M3: 725,250 km (0.104 R)
• M4: 1,184,965 km (0.084 R)
• M5: 1,755,232 km (0.08 R)
• M6: 2,052,632 km (0.058 R)
• M7: 2,394,015 km (0.035 R)
• M8: 2,912,222 km (0.114 R)
• M9: 3,680,706 km (0.062 R)
• M10: 5,270,931 km (0.095 R)
• M11: 6,227,909 km (0.083 R)
• M12: 6,863,850 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.9

Radius: 14.1

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.95 AU - 2.41 AU

Year: 2263 Days

Day: 9.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,767,921 km

• M1: 176,226 km (0.099 R)
• M2: 632,500 km (0.081 R)
• M3: 1,258,866 km (0.06 R)
• M4: 1,702,274 km (0.063 R)
• M5: 2,163,484 km (0.108 R)
• M6: 2,768,757 km (0.099 R)
• M7: 3,592,742 km (0.119 R)
• M8: 4,365,415 km (0.057 R)
• M9: 5,484,408 km (0.089 R)
• M10: 6,243,018 km (0.048 R)
• M11: 6,758,981 km (0.093 R)
• M12: 7,784,325 km (0.084 R)
• M13: 9,461,317 km (0.087 R)
• M14: 10,975,248 km (0.084 R)
• M15: 12,433,229 km (0.077 R)
• M16: 13,430,149 km (0.099 R)
• M17: 14,154,651 km (0.117 R)
• M18: 15,830,447 km (0.101 R)
• M19: 18,449,307 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.1

Radius: 14.3

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.19 AU - 2.81 AU

Year: 2779 Days

Day: 15 Hours

Environment

Temp: -204 °C

Axial Tilt: 144.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,767,921 km

• M1: 178,021 km (0.116 R)
• M2: 715,975 km (0.094 R)
• M3: 1,190,201 km (0.08 R)
• M4: 1,687,464 km (0.096 R)
• M5: 2,392,519 km (0.074 R)
• M6: 2,853,430 km (0.053 R)
• M7: 3,862,767 km (0.119 R)
• M8: 4,398,776 km (0.1 R)
• M9: 5,121,483 km (0.064 R)
• M10: 5,973,593 km (0.115 R)
• M11: 7,176,808 km (0.058 R)
• M12: 8,085,915 km (0.098 R)
• M13: 10,244,612 km (0.102 R)
• M14: 11,160,450 km (0.115 R)
• M15: 12,088,555 km (0.086 R)
• M16: 13,870,266 km (0.069 R)
• M17: 18,166,866 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.9

Radius: 9.5

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.7 AU - 3.96 AU

Year: 4271 Days

Day: 12 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,767,921 km

• M1: 118,930 km (0.085 R)
• M2: 443,558 km (0.106 R)
• M3: 955,930 km (0.044 R)
• M4: 1,561,203 km (0.042 R)
• M5: 2,041,712 km (0.115 R)
• M6: 2,341,057 km (0.104 R)
• M7: 2,827,849 km (0.106 R)
• M8: 5,709,702 km (0.099 R)
• M9: 7,289,904 km (0.114 R)
• M10: 8,405,306 km (0.112 R)
• M11: 8,749,531 km (0.109 R)
• M12: 10,264,658 km (0.058 R)
• M13: 10,881,151 km (0.037 R)
• M14: 11,899,763 km (0.113 R)
• M15: 12,629,800 km (0.097 R)
• M16: 13,082,035 km (0.071 R)
• M17: 15,223,678 km (0.098 R)
• M18: 16,675,226 km (0.097 R)
• M19: 18,026,992 km (0.06 R)
• M20: 19,186,226 km (0.112 R)
• M21: 19,583,408 km (0.075 R)
• M22: 20,053,744 km (0.12 R)
• M23: 20,669,639 km (0.087 R)
• M24: 21,157,328 km (0.093 R)
• M25: 24,322,968 km (0.06 R)
• M26: 25,180,762 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436

Radius: 8

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.79 AU - 7.47 AU

Year: 10668 Days

Day: 24.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,767,921 km

• M1: 99,483 km (0.05 R)
• M2: 371,452 km (0.045 R)
• M3: 664,065 km (0.074 R)
• M4: 1,213,388 km (0.117 R)
• M5: 2,686,628 km (0.118 R)
• M6: 3,016,491 km (0.042 R)
• M7: 3,562,224 km (0.08 R)
• M8: 3,935,471 km (0.098 R)
• M9: 7,245,174 km (0.055 R)
• M10: 7,804,970 km (0.116 R)
• M11: 8,566,423 km (0.098 R)
• M12: 10,534,981 km (0.074 R)
• M13: 12,447,291 km (0.071 R)
• M14: 12,787,177 km (0.119 R)
• M15: 14,086,584 km (0.099 R)
• M16: 15,601,861 km (0.1 R)
• M17: 18,074,265 km (0.095 R)
• M18: 19,554,985 km (0.108 R)
• M19: 20,796,498 km (0.068 R)
• M20: 22,924,677 km (0.112 R)
• M21: 24,304,268 km (0.061 R)
• M22: 28,971,124 km (0.109 R)
• M23: 30,479,818 km (0.068 R)
• M24: 31,305,598 km (0.1 R)
• M25: 31,724,024 km (0.117 R)
• M26: 32,786,318 km (0.119 R)
• M27: 33,326,217 km (0.085 R)
• M28: 34,092,158 km (0.062 R)
• M29: 37,980,057 km (0.088 R)
• M30: 40,153,265 km (0.079 R)
• M31: 41,020,335 km (0.045 R)
• M32: 41,395,825 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 541.6

Radius: 7.3

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.27 AU - 7.65 AU

Year: 11541 Days

Day: 19.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,767,921 km

• M1: 90,956 km (0.09 R)
• M2: 347,217 km (0.112 R)
• M3: 623,374 km (0.111 R)
• M4: 860,487 km (0.11 R)
• M5: 1,278,015 km (0.068 R)
• M6: 3,276,792 km (0.058 R)
• M7: 3,723,042 km (0.111 R)
• M8: 4,380,226 km (0.114 R)
• M9: 6,434,504 km (0.109 R)
• M10: 7,094,380 km (0.117 R)
• M11: 10,763,567 km (0.091 R)
• M12: 11,193,960 km (0.092 R)
• M13: 12,613,494 km (0.086 R)
• M14: 14,021,808 km (0.106 R)
• M15: 14,535,228 km (0.103 R)
• M16: 17,586,576 km (0.083 R)
• M17: 18,487,454 km (0.053 R)
• M18: 19,104,994 km (0.101 R)
• M19: 23,013,388 km (0.074 R)
• M20: 24,920,163 km (0.077 R)
• M21: 27,623,097 km (0.025 R)
• M22: 28,125,447 km (0.111 R)
• M23: 29,252,068 km (0.05 R)
• M24: 30,515,273 km (0.12 R)
• M25: 35,813,581 km (0.087 R)
• M26: 40,007,258 km (0.036 R)
• M27: 41,169,783 km (0.099 R)
• M28: 44,242,822 km (0.091 R)
• M29: 46,045,776 km (0.1 R)
• M30: 47,179,129 km (0.037 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: 359 - 18,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit