🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.7

Radius: 12.3

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.78 AU - 0.98 AU

Year: 580 Days

Day: 5.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,233,364 km

• M1: 153,637 km (0.056 R)
• M2: 541,694 km (0.104 R)
• M3: 1,305,241 km (0.076 R)
• M4: 2,405,683 km (0.115 R)
• M5: 2,960,093 km (0.101 R)
• M6: 4,166,301 km (0.07 R)
• M7: 5,402,278 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.1

Radius: 10.5

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.67 AU - 1.09 AU

Year: 580 Days

Day: 13.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,233,364 km

• M1: 130,749 km (0.058 R)
• M2: 643,121 km (0.089 R)
• M3: 974,181 km (0.104 R)
• M4: 1,310,777 km (0.081 R)
• M5: 1,994,140 km (0.078 R)
• M6: 2,476,294 km (0.114 R)
• M7: 2,962,337 km (0.117 R)
• M8: 4,669,548 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440

Radius: 9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.93 AU - 1.21 AU

Year: 778 Days

Day: 10.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,233,364 km

• M1: 111,899 km (0.12 R)
• M2: 572,960 km (0.102 R)
• M3: 858,542 km (0.098 R)
• M4: 1,255,276 km (0.089 R)
• M5: 1,652,458 km (0.061 R)
• M6: 2,488,112 km (0.051 R)
• M7: 3,012,303 km (0.077 R)
• M8: 4,326,969 km (0.117 R)
• M9: 4,688,098 km (0.073 R)
• M10: 5,052,219 km (0.071 R)
• M11: 5,417,388 km (0.108 R)
• M12: 5,931,705 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.8

Radius: 12.7

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.41 AU - 2.71 AU

Year: 2879 Days

Day: 10.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,233,364 km

• M1: 158,125 km (0.038 R)
• M2: 573,409 km (0.026 R)
• M3: 1,142,629 km (0.076 R)
• M4: 1,783,356 km (0.087 R)
• M5: 2,472,254 km (0.041 R)
• M6: 3,792,755 km (0.067 R)
• M7: 4,724,600 km (0.03 R)
• M8: 5,696,537 km (0.108 R)
• M9: 6,216,390 km (0.105 R)
• M10: 6,737,888 km (0.102 R)
• M11: 7,351,389 km (0.057 R)
• M12: 7,868,848 km (0.072 R)
• M13: 9,086,126 km (0.097 R)
• M14: 10,586,293 km (0.117 R)
• M15: 11,079,517 km (0.079 R)
• M16: 12,201,053 km (0.093 R)
• M17: 12,606,463 km (0.094 R)
• M18: 14,269,542 km (0.075 R)
• M19: 16,837,390 km (0.066 R)
• M20: 21,277,904 km (0.118 R)
• M21: 22,264,801 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.2

Radius: 14.7

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.79 AU - 3.87 AU

Year: 4271 Days

Day: 8 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,233,364 km

• M1: 182,809 km (0.113 R)
• M2: 877,990 km (0.107 R)
• M3: 1,988,156 km (0.109 R)
• M4: 3,673,077 km (0.059 R)
• M5: 4,922,967 km (0.081 R)
• M6: 7,193,114 km (0.112 R)
• M7: 11,916,368 km (0.116 R)
• M8: 13,199,619 km (0.062 R)
• M9: 20,300,132 km (0.112 R)
• M10: 21,919,529 km (0.042 R)
• M11: 22,478,127 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.4

Radius: 3.7

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.76 AU - 7.28 AU

Year: 11703 Days

Day: 21.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,233,364 km

• M1: 250,876 km (0.077 R)
• M2: 432,637 km (0.107 R)
• M3: 581,188 km (0.039 R)
• M4: 698,921 km (0.028 R)
• M5: 1,091,316 km (0.118 R)
• M6: 1,206,956 km (0.073 R)
• M7: 1,755,082 km (0.085 R)
• M8: 1,953,000 km (0.099 R)
• M9: 2,544,061 km (0.069 R)
• M10: 3,800,833 km (0.082 R)
• M11: 4,619,732 km (0.066 R)
• M12: 5,549,931 km (0.063 R)
• M13: 7,169,029 km (0.07 R)
• M14: 8,339,632 km (0.117 R)
• M15: 8,511,670 km (0.118 R)
• M16: 8,791,867 km (0.098 R)
• M17: 11,092,981 km (0.115 R)
• M18: 13,575,708 km (0.082 R)
• M19: 14,054,870 km (0.065 R)
• M20: 14,298,714 km (0.116 R)
• M21: 14,594,918 km (0.083 R)
• M22: 16,031,656 km (0.101 R)
• M23: 17,224,699 km (0.102 R)
• M24: 19,543,167 km (0.07 R)

Asteroid Belt

Center: 6.93 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.7

Radius: 4.3

Gravity: 22.54 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.33 AU - 7.35 AU

Year: 13978 Days

Day: 16.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 38,233,364 km

• M1: 53,556 km (0.088 R)
• M2: 214,523 km (0.111 R)
• M3: 435,330 km (0.091 R)
• M4: 586,274 km (0.114 R)
• M5: 745,895 km (0.108 R)
• M6: 1,190,949 km (0.046 R)
• M7: 1,395,748 km (0.097 R)
• M8: 1,892,862 km (0.114 R)
• M9: 2,380,701 km (0.049 R)
• M10: 2,970,565 km (0.069 R)
• M11: 4,315,450 km (0.09 R)
• M12: 5,558,309 km (0.068 R)
• M13: 7,351,090 km (0.114 R)
• M14: 8,309,414 km (0.057 R)
• M15: 9,299,153 km (0.079 R)
• M16: 9,446,657 km (0.09 R)
• M17: 12,259,097 km (0.106 R)
• M18: 12,857,339 km (0.105 R)
• M19: 14,241,418 km (0.104 R)
• M20: 17,902,078 km (0.118 R)
• M21: 18,438,237 km (0.097 R)
• M22: 18,749,400 km (0.102 R)
• M23: 18,906,179 km (0.093 R)
• M24: 20,193,020 km (0.113 R)
• M25: 21,451,437 km (0.071 R)
• M26: 22,406,769 km (0.116 R)
• M27: 31,978,490 km (0.107 R)
• M28: 32,202,438 km (0.118 R)
• M29: 32,767,170 km (0.082 R)
• M30: 38,654,743 km (0.111 R)
• M31: 39,549,339 km (0.025 R)
• M32: 42,047,324 km (0.091 R)
• M33: 46,202,255 km (0.104 R)
• M34: 48,084,645 km (0.117 R)
• M35: 48,673,911 km (0.089 R)
• M36: 49,867,104 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.9

Radius: 5.6

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.02 AU - 9 AU

Year: 15935 Days

Day: 15.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,233,364 km

• M1: 151,543 km (0.047 R)
• M2: 398,379 km (0.079 R)
• M3: 756,068 km (0.077 R)
• M4: 1,059,452 km (0.092 R)
• M5: 2,018,524 km (0.096 R)
• M6: 2,738,539 km (0.114 R)
• M7: 2,999,288 km (0.082 R)
• M8: 3,524,227 km (0.068 R)
• M9: 4,108,257 km (0.026 R)
• M10: 4,532,067 km (0.052 R)
• M11: 4,811,516 km (0.064 R)
• M12: 5,191,944 km (0.076 R)
• M13: 5,374,154 km (0.095 R)
• M14: 5,655,398 km (0.092 R)
• M15: 6,880,156 km (0.085 R)
• M16: 7,907,743 km (0.046 R)
• M17: 8,946,850 km (0.116 R)
• M18: 10,453,899 km (0.111 R)
• M19: 14,314,123 km (0.082 R)
• M20: 14,493,042 km (0.092 R)
• M21: 14,794,332 km (0.044 R)
• M22: 15,723,335 km (0.09 R)
• M23: 16,624,961 km (0.108 R)
• M24: 17,560,546 km (0.091 R)
• M25: 21,970,093 km (0.033 R)
• M26: 24,259,389 km (0.109 R)
• M27: 27,798,426 km (0.113 R)
• M28: 37,663,807 km (0.115 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 13,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit