🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917

Radius: 14.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.98 AU - 1.44 AU

Year: 919 Days

Day: 15 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,902,131 km

• M1: 180,265 km (0.098 R)
• M2: 653,443 km (0.102 R)
• M3: 1,183,170 km (0.114 R)
• M4: 1,650,214 km (0.076 R)
• M5: 2,408,077 km (0.041 R)
• M6: 3,098,172 km (0.089 R)
• M7: 3,870,396 km (0.099 R)
• M8: 4,379,627 km (0.069 R)
• M9: 4,841,137 km (0.043 R)
• M10: 5,635,801 km (0.098 R)
• M11: 6,493,445 km (0.087 R)
• M12: 6,954,057 km (0.083 R)
• M13: 8,123,613 km (0.112 R)
• M14: 9,362,732 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.9

Radius: 8.1

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.58 AU - 1.7 AU

Year: 1450 Days

Day: 5.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,902,131 km

• M1: 100,829 km (0.082 R)
• M2: 509,680 km (0.12 R)
• M3: 786,286 km (0.101 R)
• M4: 1,158,636 km (0.082 R)
• M5: 1,963,322 km (0.076 R)
• M6: 2,473,900 km (0.114 R)
• M7: 2,839,368 km (0.069 R)
• M8: 3,254,950 km (0.113 R)
• M9: 3,585,113 km (0.096 R)
• M10: 4,105,414 km (0.025 R)
• M11: 4,546,130 km (0.115 R)
• M12: 5,255,822 km (0.11 R)
• M13: 5,648,068 km (0.115 R)
• M14: 6,329,636 km (0.105 R)
• M15: 7,040,525 km (0.084 R)
• M16: 8,286,824 km (0.069 R)
• M17: 8,733,224 km (0.103 R)
• M18: 9,373,204 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.4

Radius: 11.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.64 AU - 3.12 AU

Year: 3374 Days

Day: 15 Hours

Environment

Temp: -211 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,902,131 km

• M1: 141,819 km (0.054 R)
• M2: 524,640 km (0.064 R)
• M3: 995,723 km (0.106 R)
• M4: 1,663,229 km (0.103 R)
• M5: 2,074,025 km (0.109 R)
• M6: 2,788,953 km (0.07 R)
• M7: 3,154,421 km (0.107 R)
• M8: 3,516,298 km (0.047 R)
• M9: 3,964,044 km (0.104 R)
• M10: 5,739,322 km (0.107 R)
• M11: 7,381,757 km (0.045 R)
• M12: 8,838,541 km (0.034 R)
• M13: 10,069,133 km (0.108 R)
• M14: 14,074,168 km (0.09 R)
• M15: 14,823,803 km (0.08 R)
• M16: 16,453,671 km (0.07 R)
• M17: 18,036,267 km (0.082 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 49.1

Radius: 3.4

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.62 AU - 5.96 AU

Year: 9617 Days

Day: 18.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,902,131 km

• M1: 88,861 km (0.115 R)
• M2: 316,549 km (0.097 R)
• M3: 983,606 km (0.091 R)
• M4: 1,725,163 km (0.101 R)
• M5: 2,026,453 km (0.102 R)
• M6: 2,763,970 km (0.103 R)
• M7: 2,956,802 km (0.067 R)
• M8: 3,280,382 km (0.102 R)
• M9: 4,371,399 km (0.115 R)
• M10: 5,864,087 km (0.065 R)
• M11: 8,913,789 km (0.04 R)
• M12: 9,370,212 km (0.111 R)
• M13: 10,676,052 km (0.104 R)
• M14: 11,597,276 km (0.068 R)
• M15: 14,200,578 km (0.104 R)
• M16: 15,864,555 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.5

Radius: 5

Gravity: 26.98 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.65 AU - 9.39 AU

Year: 18699 Days

Day: 20.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,902,131 km

• M1: 68,366 km (0.094 R)
• M2: 248,183 km (0.089 R)
• M3: 864,077 km (0.115 R)
• M4: 1,138,739 km (0.09 R)
• M5: 2,093,921 km (0.1 R)
• M6: 5,973,742 km (0.105 R)
• M7: 6,138,749 km (0.028 R)
• M8: 9,210,591 km (0.106 R)
• M9: 9,542,699 km (0.087 R)
• M10: 12,028,417 km (0.115 R)
• M11: 14,099,151 km (0.111 R)
• M12: 15,997,099 km (0.117 R)
• M13: 19,287,354 km (0.113 R)
• M14: 20,477,256 km (0.078 R)
• M15: 22,204,214 km (0.07 R)
• M16: 24,129,987 km (0.053 R)
• M17: 28,426,438 km (0.101 R)
• M18: 31,308,890 km (0.105 R)
• M19: 31,932,862 km (0.11 R)
• M20: 34,512,378 km (0.105 R)
• M21: 37,088,304 km (0.104 R)
• M22: 40,816,881 km (0.097 R)
• M23: 49,343,960 km (0.1 R)
• M24: 50,871,504 km (0.101 R)
• M25: 51,387,617 km (0.111 R)
• M26: 52,956,898 km (0.065 R)
• M27: 53,664,496 km (0.073 R)
• M28: 56,007,797 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.2

Radius: 4.3

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.92 AU - 11.64 AU

Year: 22751 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,902,131 km

• M1: 53,855 km (0.07 R)
• M2: 299,345 km (0.061 R)
• M3: 460,013 km (0.078 R)
• M4: 631,303 km (0.12 R)
• M5: 1,152,352 km (0.106 R)
• M6: 1,487,751 km (0.119 R)
• M7: 1,787,695 km (0.07 R)
• M8: 2,144,934 km (0.079 R)
• M9: 3,233,109 km (0.085 R)
• M10: 3,605,309 km (0.099 R)
• M11: 5,184,464 km (0.088 R)
• M12: 5,764,156 km (0.067 R)
• M13: 6,461,880 km (0.112 R)
• M14: 6,930,570 km (0.053 R)
• M15: 7,848,203 km (0.075 R)
• M16: 8,381,520 km (0.099 R)
• M17: 10,438,790 km (0.101 R)
• M18: 15,792,748 km (0.071 R)
• M19: 20,255,252 km (0.108 R)
• M20: 22,639,693 km (0.075 R)
• M21: 23,625,393 km (0.104 R)
• M22: 30,254,973 km (0.113 R)
• M23: 32,675,765 km (0.098 R)
• M24: 34,867,823 km (0.064 R)
• M25: 36,180,694 km (0.104 R)
• M26: 47,165,965 km (0.042 R)
• M27: 47,745,208 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.6

Radius: 4.4

Gravity: 12.74 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 9.12 AU - 11.76 AU

Year: 23284 Days

Day: 21.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,902,131 km

• M1: 54,753 km (0.069 R)
• M2: 478,264 km (0.107 R)
• M3: 641,176 km (0.056 R)
• M4: 1,155,943 km (0.114 R)
• M5: 1,736,083 km (0.062 R)
• M6: 1,925,325 km (0.085 R)
• M7: 3,687,438 km (0.088 R)
• M8: 4,209,684 km (0.059 R)
• M9: 4,425,703 km (0.071 R)
• M10: 5,400,034 km (0.076 R)
• M11: 5,581,347 km (0.105 R)
• M12: 7,138,960 km (0.072 R)
• M13: 11,313,937 km (0.077 R)
• M14: 12,097,830 km (0.094 R)
• M15: 12,917,178 km (0.064 R)
• M16: 13,111,505 km (0.044 R)
• M17: 13,307,628 km (0.029 R)
• M18: 14,526,103 km (0.061 R)
• M19: 16,490,323 km (0.102 R)
• M20: 23,050,489 km (0.113 R)
• M21: 26,848,180 km (0.119 R)
• M22: 29,115,934 km (0.061 R)
• M23: 41,117,723 km (0.098 R)
• M24: 46,202,704 km (0.068 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 11,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit