🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.4

Radius: 9.5

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.76 AU - 1.02 AU

Year: 580 Days

Day: 11.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,716,414 km

• M1: 119,977 km (0.102 R)
• M2: 564,433 km (0.103 R)
• M3: 1,627,924 km (0.098 R)
• M4: 2,257,432 km (0.082 R)
• M5: 2,618,711 km (0.102 R)
• M6: 2,995,847 km (0.086 R)
• M7: 3,572,248 km (0.079 R)
• M8: 4,135,633 km (0.105 R)
• M9: 4,528,328 km (0.116 R)
• M10: 4,946,005 km (0.095 R)
• M11: 5,372,209 km (0.099 R)
• M12: 6,392,915 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.4

Radius: 9.9

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.78 AU - 1.08 AU

Year: 619 Days

Day: 9.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,716,414 km

• M1: 125,213 km (0.117 R)
• M2: 708,047 km (0.049 R)
• M3: 1,148,164 km (0.103 R)
• M4: 1,539,212 km (0.11 R)
• M5: 1,894,507 km (0.068 R)
• M6: 2,426,627 km (0.034 R)
• M7: 3,267,367 km (0.119 R)
• M8: 4,415,232 km (0.12 R)
• M9: 5,159,481 km (0.12 R)
• M10: 6,541,765 km (0.106 R)
• M11: 7,598,824 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.1

Radius: 11.5

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.45 AU - 4.07 AU

Year: 4063 Days

Day: 10.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,716,414 km

• M1: 144,212 km (0.117 R)
• M2: 560,394 km (0.099 R)
• M3: 948,899 km (0.059 R)
• M4: 1,354,160 km (0.113 R)
• M5: 1,840,353 km (0.095 R)
• M6: 2,340,010 km (0.1 R)
• M7: 2,781,324 km (0.108 R)
• M8: 3,188,230 km (0.073 R)
• M9: 5,084,383 km (0.06 R)
• M10: 5,513,430 km (0.104 R)
• M11: 7,671,080 km (0.112 R)
• M12: 8,408,896 km (0.039 R)
• M13: 9,230,189 km (0.108 R)
• M14: 10,825,800 km (0.08 R)
• M15: 11,884,803 km (0.082 R)
• M16: 12,417,072 km (0.119 R)
• M17: 13,866,077 km (0.119 R)
• M18: 16,058,733 km (0.071 R)
• M19: 19,859,417 km (0.094 R)
• M20: 22,100,243 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.9

Radius: 9.3

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.73 AU - 4.19 AU

Year: 5439 Days

Day: 6.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,716,414 km

• M1: 116,387 km (0.062 R)
• M2: 452,234 km (0.051 R)
• M3: 1,044,792 km (0.104 R)
• M4: 1,379,741 km (0.105 R)
• M5: 1,718,431 km (0.062 R)
• M6: 2,096,913 km (0.088 R)
• M7: 2,846,399 km (0.111 R)
• M8: 3,671,281 km (0.112 R)
• M9: 5,211,092 km (0.037 R)
• M10: 5,570,726 km (0.036 R)
• M11: 6,141,142 km (0.072 R)
• M12: 6,961,687 km (0.095 R)
• M13: 7,548,260 km (0.071 R)
• M14: 7,892,335 km (0.098 R)
• M15: 8,736,366 km (0.108 R)
• M16: 9,375,299 km (0.074 R)
• M17: 12,403,309 km (0.067 R)
• M18: 13,542,646 km (0.09 R)
• M19: 13,994,582 km (0.117 R)
• M20: 16,534,305 km (0.088 R)
• M21: 17,511,328 km (0.057 R)
• M22: 18,664,728 km (0.045 R)
• M23: 19,580,267 km (0.055 R)
• M24: 21,424,659 km (0.083 R)
• M25: 22,193,891 km (0.102 R)
• M26: 24,528,665 km (0.105 R)
• M27: 24,863,166 km (0.075 R)
• M28: 30,733,387 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.1

Radius: 11.8

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.71 AU - 5.47 AU

Year: 7927 Days

Day: 6.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,716,414 km

• M1: 146,905 km (0.074 R)
• M2: 591,360 km (0.061 R)
• M3: 1,064,239 km (0.116 R)
• M4: 2,301,862 km (0.114 R)
• M5: 2,723,429 km (0.103 R)
• M6: 5,082,887 km (0.097 R)
• M7: 5,804,846 km (0.1 R)
• M8: 6,264,112 km (0.04 R)
• M9: 6,685,828 km (0.082 R)
• M10: 7,158,857 km (0.103 R)
• M11: 7,824,118 km (0.119 R)
• M12: 9,239,763 km (0.097 R)
• M13: 9,867,625 km (0.103 R)
• M14: 10,819,666 km (0.082 R)
• M15: 11,606,700 km (0.042 R)
• M16: 15,141,548 km (0.118 R)
• M17: 17,505,045 km (0.09 R)
• M18: 19,337,170 km (0.116 R)
• M19: 20,039,981 km (0.105 R)
• M20: 21,496,765 km (0.12 R)
• M21: 23,093,872 km (0.058 R)
• M22: 23,812,391 km (0.111 R)
• M23: 24,397,917 km (0.075 R)
• M24: 24,768,620 km (0.073 R)
• M25: 25,143,213 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 808.5

Radius: 4.5

Gravity: 39.93 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6 AU - 7.12 AU

Year: 11598 Days

Day: 17.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 44,716,414 km

• M1: 55,950 km (0.115 R)
• M2: 350,209 km (0.033 R)
• M3: 530,175 km (0.049 R)
• M4: 1,230,442 km (0.038 R)
• M5: 1,785,301 km (0.069 R)
• M6: 2,137,305 km (0.049 R)
• M7: 3,096,975 km (0.108 R)
• M8: 3,498,645 km (0.089 R)
• M9: 3,906,000 km (0.091 R)
• M10: 4,374,541 km (0.089 R)
• M11: 5,045,188 km (0.099 R)
• M12: 5,457,779 km (0.028 R)
• M13: 7,080,467 km (0.067 R)
• M14: 8,999,359 km (0.048 R)
• M15: 11,182,142 km (0.057 R)
• M16: 12,487,533 km (0.044 R)
• M17: 13,049,572 km (0.04 R)
• M18: 14,699,487 km (0.11 R)
• M19: 15,185,231 km (0.11 R)
• M20: 17,620,385 km (0.086 R)
• M21: 22,236,377 km (0.111 R)
• M22: 23,622,252 km (0.081 R)
• M23: 26,058,303 km (0.114 R)
• M24: 27,702,235 km (0.089 R)
• M25: 29,852,704 km (0.107 R)
• M26: 30,855,758 km (0.105 R)
• M27: 34,119,834 km (0.112 R)
• M28: 34,361,434 km (0.103 R)
• M29: 45,716,511 km (0.083 R)
• M30: 49,016,042 km (0.113 R)
• M31: 54,421,910 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.4

Radius: 5.6

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.47 AU - 9.55 AU

Year: 17136 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,716,414 km

• M1: 72,705 km (0.109 R)
• M2: 273,914 km (0.078 R)
• M3: 718,219 km (0.065 R)
• M4: 1,793,678 km (0.033 R)
• M5: 2,067,143 km (0.079 R)
• M6: 3,719,302 km (0.092 R)
• M7: 4,529,674 km (0.028 R)
• M8: 5,683,971 km (0.073 R)
• M9: 7,257,292 km (0.109 R)
• M10: 13,081,287 km (0.085 R)
• M11: 13,557,905 km (0.1 R)
• M12: 14,107,977 km (0.072 R)
• M13: 19,591,188 km (0.066 R)
• M14: 22,587,633 km (0.042 R)
• M15: 23,972,909 km (0.091 R)
• M16: 24,238,894 km (0.056 R)
• M17: 25,230,728 km (0.09 R)
• M18: 25,690,442 km (0.064 R)
• M19: 31,544,207 km (0.066 R)
• M20: 33,162,557 km (0.097 R)
• M21: 35,981,579 km (0.059 R)
• M22: 37,747,432 km (0.117 R)
• M23: 38,227,941 km (0.078 R)
• M24: 41,962,352 km (0.109 R)
• M25: 44,315,826 km (0.034 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 18,481 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit