🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.3

Radius: 9.6

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.95 AU - 1.19 AU

Year: 751 Days

Day: 11.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,678,925 km

• M1: 119,379 km (0.118 R)
• M2: 521,648 km (0.097 R)
• M3: 973,583 km (0.097 R)
• M4: 1,465,760 km (0.063 R)
• M5: 1,779,167 km (0.076 R)
• M6: 2,167,075 km (0.091 R)
• M7: 2,467,617 km (0.097 R)
• M8: 2,989,863 km (0.095 R)
• M9: 3,391,384 km (0.099 R)
• M10: 3,726,633 km (0.119 R)
• M11: 4,038,245 km (0.11 R)
• M12: 4,680,319 km (0.097 R)
• M13: 5,115,350 km (0.081 R)
• M14: 5,482,463 km (0.101 R)
• M15: 6,520,522 km (0.109 R)
• M16: 6,821,214 km (0.11 R)
• M17: 7,995,857 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.9

Radius: 8.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.16 AU - 2.42 AU

Year: 2350 Days

Day: 8 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,678,925 km

• M1: 102,325 km (0.104 R)
• M2: 379,380 km (0.073 R)
• M3: 851,810 km (0.105 R)
• M4: 1,238,521 km (0.119 R)
• M5: 2,369,630 km (0.054 R)
• M6: 2,697,848 km (0.093 R)
• M7: 3,430,878 km (0.119 R)
• M8: 4,041,237 km (0.072 R)
• M9: 12,477,958 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634

Radius: 10.1

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.41 AU - 3.43 AU

Year: 4290 Days

Day: 11.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,678,925 km

• M1: 125,662 km (0.12 R)
• M2: 482,154 km (0.09 R)
• M3: 818,450 km (0.088 R)
• M4: 1,174,194 km (0.099 R)
• M5: 1,755,381 km (0.065 R)
• M6: 3,236,700 km (0.039 R)
• M7: 4,220,605 km (0.095 R)
• M8: 4,621,976 km (0.108 R)
• M9: 5,639,989 km (0.091 R)
• M10: 6,276,678 km (0.117 R)
• M11: 6,612,675 km (0.118 R)
• M12: 8,222,348 km (0.052 R)
• M13: 10,328,536 km (0.103 R)
• M14: 11,237,194 km (0.114 R)
• M15: 13,362,680 km (0.113 R)
• M16: 14,179,036 km (0.108 R)
• M17: 15,465,727 km (0.092 R)
• M18: 17,419,326 km (0.092 R)
• M19: 19,083,901 km (0.118 R)
• M20: 21,190,987 km (0.093 R)
• M21: 23,521,572 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.9

Radius: 11.6

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.84 AU - 4.96 AU

Year: 6260 Days

Day: 9.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,678,925 km

• M1: 149,149 km (0.049 R)
• M2: 653,743 km (0.099 R)
• M3: 1,073,514 km (0.112 R)
• M4: 3,216,504 km (0.052 R)
• M5: 3,897,025 km (0.047 R)
• M6: 4,402,366 km (0.111 R)
• M7: 5,183,117 km (0.108 R)
• M8: 6,840,363 km (0.093 R)
• M9: 8,450,485 km (0.071 R)
• M10: 10,252,989 km (0.059 R)
• M11: 11,120,507 km (0.053 R)
• M12: 12,246,231 km (0.112 R)
• M13: 13,390,356 km (0.114 R)
• M14: 15,453,460 km (0.068 R)
• M15: 15,953,267 km (0.113 R)
• M16: 19,111,128 km (0.1 R)
• M17: 19,542,119 km (0.101 R)
• M18: 20,053,295 km (0.104 R)
• M19: 20,648,246 km (0.102 R)
• M20: 22,187,309 km (0.112 R)
• M21: 23,967,224 km (0.087 R)
• M22: 30,069,172 km (0.093 R)
• M23: 34,419,927 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.3

Radius: 14.3

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.96 AU - 6.44 AU

Year: 8043 Days

Day: 11.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,678,925 km

• M1: 184,305 km (0.081 R)
• M2: 1,909,916 km (0.063 R)
• M3: 2,663,740 km (0.101 R)
• M4: 3,459,002 km (0.12 R)
• M5: 5,095,453 km (0.075 R)
• M6: 7,487,373 km (0.11 R)
• M7: 8,081,726 km (0.101 R)
• M8: 8,587,815 km (0.081 R)
• M9: 11,395,618 km (0.083 R)
• M10: 12,798,397 km (0.038 R)
• M11: 15,172,814 km (0.114 R)
• M12: 18,024,000 km (0.112 R)
• M13: 23,962,737 km (0.098 R)
• M14: 27,284,856 km (0.116 R)
• M15: 31,471,652 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.6

Radius: 7.9

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.54 AU - 7.42 AU

Year: 12508 Days

Day: 22.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,678,925 km

• M1: 102,475 km (0.101 R)
• M2: 396,285 km (0.082 R)
• M3: 728,093 km (0.093 R)
• M4: 1,110,166 km (0.084 R)
• M5: 1,652,757 km (0.068 R)
• M6: 2,524,614 km (0.075 R)
• M7: 3,619,520 km (0.075 R)
• M8: 4,153,884 km (0.083 R)
• M9: 4,707,695 km (0.066 R)
• M10: 5,344,534 km (0.115 R)
• M11: 6,307,345 km (0.107 R)
• M12: 6,666,231 km (0.077 R)
• M13: 7,123,402 km (0.081 R)
• M14: 9,624,678 km (0.108 R)
• M15: 10,317,466 km (0.117 R)
• M16: 11,742,834 km (0.115 R)
• M17: 12,784,185 km (0.07 R)
• M18: 13,819,253 km (0.057 R)
• M19: 15,618,915 km (0.096 R)
• M20: 17,029,025 km (0.066 R)
• M21: 18,847,237 km (0.05 R)
• M22: 19,425,284 km (0.105 R)
• M23: 24,875,433 km (0.064 R)
• M24: 25,370,901 km (0.051 R)
• M25: 30,694,342 km (0.09 R)
• M26: 31,609,880 km (0.103 R)
• M27: 32,191,218 km (0.061 R)
• M28: 41,928,543 km (0.07 R)
• M29: 47,006,793 km (0.107 R)
• M30: 47,460,224 km (0.088 R)
• M31: 50,242,594 km (0.099 R)
• M32: 54,284,579 km (0.074 R)
• M33: 55,791,179 km (0.11 R)
• M34: 57,497,642 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.2

Radius: 3

Gravity: 23.58 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.97 AU - 10.45 AU

Year: 18957 Days

Day: 24.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,678,925 km

• M1: 51,013 km (0.074 R)
• M2: 276,906 km (0.051 R)
• M3: 641,326 km (0.117 R)
• M4: 767,287 km (0.06 R)
• M5: 1,115,402 km (0.113 R)
• M6: 1,694,645 km (0.102 R)
• M7: 2,697,250 km (0.079 R)
• M8: 5,806,342 km (0.108 R)
• M9: 6,545,206 km (0.041 R)
• M10: 6,937,152 km (0.081 R)
• M11: 9,573,516 km (0.048 R)
• M12: 10,759,827 km (0.119 R)
• M13: 11,304,961 km (0.032 R)
• M14: 14,900,846 km (0.11 R)
• M15: 17,431,892 km (0.063 R)
• M16: 19,190,415 km (0.104 R)
• M17: 24,512,509 km (0.111 R)
• M18: 24,886,204 km (0.113 R)
• M19: 25,836,899 km (0.045 R)
• M20: 29,565,326 km (0.105 R)
• M21: 32,277,685 km (0.082 R)
• M22: 39,071,972 km (0.047 R)
• M23: 39,709,857 km (0.109 R)
• M24: 48,204,473 km (0.062 R)
• M25: 48,350,630 km (0.099 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: 377 - 10,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit