🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.5

Radius: 11.1

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.52 AU - 0.62 AU

Year: 292 Days

Day: 8.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,671,342 km

• M1: 138,079 km (0.12 R)
• M2: 550,071 km (0.097 R)
• M3: 935,435 km (0.104 R)
• M4: 1,364,632 km (0.119 R)
• M5: 1,796,521 km (0.076 R)
• M6: 2,244,566 km (0.107 R)
• M7: 2,766,813 km (0.047 R)
• M8: 4,031,812 km (0.119 R)
• M9: 4,534,162 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.8

Radius: 11.5

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.69 AU - 1.79 AU

Year: 1557 Days

Day: 9.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,671,342 km

• M1: 143,016 km (0.062 R)
• M2: 563,685 km (0.082 R)
• M3: 929,601 km (0.114 R)
• M4: 1,553,275 km (0.101 R)
• M5: 1,912,609 km (0.112 R)
• M6: 2,572,036 km (0.117 R)
• M7: 5,419,033 km (0.077 R)
• M8: 6,335,769 km (0.038 R)
• M9: 6,870,731 km (0.07 R)
• M10: 7,686,937 km (0.086 R)
• M11: 8,475,916 km (0.097 R)
• M12: 9,350,166 km (0.043 R)
• M13: 9,976,981 km (0.094 R)
• M14: 10,951,611 km (0.111 R)
• M15: 11,499,140 km (0.116 R)
• M16: 14,300,060 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.4

Radius: 9.7

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.49 AU - 2.55 AU

Year: 2713 Days

Day: 7.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,671,342 km

• M1: 120,576 km (0.116 R)
• M2: 552,465 km (0.082 R)
• M3: 1,199,925 km (0.109 R)
• M4: 1,862,344 km (0.115 R)
• M5: 2,664,637 km (0.118 R)
• M6: 3,317,333 km (0.12 R)
• M7: 4,053,803 km (0.034 R)
• M8: 4,389,650 km (0.088 R)
• M9: 5,393,003 km (0.079 R)
• M10: 7,938,561 km (0.041 R)
• M11: 9,184,262 km (0.108 R)
• M12: 10,048,639 km (0.081 R)
• M13: 10,666,627 km (0.109 R)
• M14: 11,978,750 km (0.071 R)
• M15: 13,180,171 km (0.101 R)
• M16: 16,162,255 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.4

Radius: 13

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.44 AU - 3.2 AU

Year: 3212 Days

Day: 7.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,671,342 km

• M1: 162,762 km (0.092 R)
• M2: 628,161 km (0.114 R)
• M3: 1,287,888 km (0.061 R)
• M4: 1,769,444 km (0.112 R)
• M5: 2,303,059 km (0.063 R)
• M6: 2,784,316 km (0.104 R)
• M7: 3,280,083 km (0.119 R)
• M8: 3,795,747 km (0.085 R)
• M9: 4,451,285 km (0.119 R)
• M10: 5,425,316 km (0.088 R)
• M11: 6,286,551 km (0.042 R)
• M12: 6,793,539 km (0.036 R)
• M13: 7,574,140 km (0.112 R)
• M14: 8,214,718 km (0.085 R)
• M15: 8,960,763 km (0.06 R)
• M16: 9,494,977 km (0.108 R)
• M17: 10,278,571 km (0.104 R)
• M18: 11,064,408 km (0.076 R)
• M19: 11,513,651 km (0.089 R)
• M20: 12,361,422 km (0.065 R)
• M21: 13,205,154 km (0.111 R)
• M22: 17,292,766 km (0.088 R)
• M23: 18,747,605 km (0.053 R)
• M24: 19,682,592 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828

Radius: 13.3

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.42 AU - 3.98 AU

Year: 3883 Days

Day: 7.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,671,342 km

• M1: 182,061 km (0.109 R)
• M2: 810,521 km (0.11 R)
• M3: 1,333,366 km (0.084 R)
• M4: 1,829,881 km (0.025 R)
• M5: 3,023,523 km (0.071 R)
• M6: 4,757,811 km (0.114 R)
• M7: 5,883,385 km (0.062 R)
• M8: 7,278,834 km (0.096 R)
• M9: 10,672,312 km (0.09 R)
• M10: 11,881,811 km (0.117 R)
• M11: 12,304,724 km (0.094 R)
• M12: 13,685,064 km (0.107 R)
• M13: 17,344,527 km (0.03 R)
• M14: 18,886,731 km (0.036 R)
• M15: 20,855,888 km (0.085 R)
• M16: 22,958,336 km (0.074 R)
• M17: 23,542,217 km (0.097 R)
• M18: 25,508,232 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.8

Radius: 13.6

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 3.23 AU - 4.73 AU

Year: 5385 Days

Day: 9.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,671,342 km

• M1: 169,195 km (0.096 R)
• M2: 717,172 km (0.064 R)
• M3: 1,247,197 km (0.104 R)
• M4: 1,677,890 km (0.116 R)
• M5: 2,132,218 km (0.031 R)
• M6: 2,761,427 km (0.118 R)
• M7: 5,188,802 km (0.102 R)
• M8: 5,851,820 km (0.07 R)
• M9: 6,436,000 km (0.108 R)
• M10: 6,952,112 km (0.077 R)
• M11: 10,466,615 km (0.104 R)
• M12: 11,085,202 km (0.083 R)
• M13: 11,527,713 km (0.084 R)
• M14: 14,320,256 km (0.115 R)
• M15: 16,373,337 km (0.094 R)
• M16: 17,142,869 km (0.113 R)
• M17: 19,242,625 km (0.115 R)
• M18: 19,955,010 km (0.068 R)
• M19: 20,982,149 km (0.117 R)
• M20: 23,061,858 km (0.045 R)
• M21: 24,688,735 km (0.116 R)
• M22: 26,740,619 km (0.106 R)
• M23: 28,352,387 km (0.119 R)
• M24: 31,768,753 km (0.112 R)
• M25: 32,764,477 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.3

Radius: 10.2

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.87 AU - 6.35 AU

Year: 9012 Days

Day: 10.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,671,342 km

• M1: 126,859 km (0.094 R)
• M2: 520,152 km (0.057 R)
• M3: 844,929 km (0.107 R)
• M4: 1,291,329 km (0.06 R)
• M5: 1,933,852 km (0.073 R)
• M6: 2,516,835 km (0.065 R)
• M7: 4,369,006 km (0.047 R)
• M8: 4,748,984 km (0.119 R)
• M9: 5,993,339 km (0.085 R)
• M10: 6,431,661 km (0.111 R)
• M11: 7,478,547 km (0.101 R)
• M12: 8,596,342 km (0.073 R)
• M13: 11,537,137 km (0.109 R)
• M14: 13,978,425 km (0.111 R)
• M15: 15,090,536 km (0.046 R)
• M16: 15,435,359 km (0.107 R)
• M17: 18,127,522 km (0.105 R)
• M18: 19,926,287 km (0.107 R)
• M19: 21,987,745 km (0.059 R)
• M20: 25,058,840 km (0.069 R)
• M21: 25,461,857 km (0.119 R)
• M22: 26,529,836 km (0.089 R)
• M23: 29,823,084 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.2

Radius: 3.3

Gravity: 90.19 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.25 AU - 6.83 AU

Year: 11344 Days

Day: 20.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,671,342 km

• M1: 40,990 km (0.06 R)
• M2: 164,258 km (0.107 R)
• M3: 585,077 km (0.067 R)
• M4: 894,446 km (0.072 R)
• M5: 1,415,345 km (0.103 R)
• M6: 1,774,380 km (0.089 R)
• M7: 2,603,302 km (0.101 R)
• M8: 3,472,615 km (0.092 R)
• M9: 3,800,983 km (0.099 R)
• M10: 5,430,403 km (0.104 R)
• M11: 6,337,415 km (0.093 R)
• M12: 6,702,134 km (0.039 R)
• M13: 7,972,519 km (0.095 R)
• M14: 8,254,212 km (0.029 R)
• M15: 10,469,308 km (0.093 R)
• M16: 15,732,460 km (0.101 R)
• M17: 18,595,464 km (0.043 R)
• M18: 19,007,157 km (0.073 R)
• M19: 20,019,935 km (0.089 R)
• M20: 22,429,209 km (0.086 R)
• M21: 31,962,034 km (0.084 R)
• M22: 44,752,353 km (0.119 R)
• M23: 48,993,452 km (0.105 R)
• M24: 52,507,805 km (0.058 R)
• M25: 54,829,415 km (0.101 R)
• M26: 56,701,034 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.3

Radius: 7

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.72 AU - 8.68 AU

Year: 13104 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,671,342 km

• M1: 90,806 km (0.025 R)
• M2: 322,683 km (0.064 R)
• M3: 640,428 km (0.104 R)
• M4: 1,173,894 km (0.041 R)
• M5: 2,146,281 km (0.113 R)
• M6: 3,110,738 km (0.114 R)
• M7: 3,755,056 km (0.074 R)
• M8: 4,222,101 km (0.114 R)
• M9: 4,820,492 km (0.12 R)
• M10: 5,372,508 km (0.11 R)
• M11: 6,996,393 km (0.096 R)
• M12: 7,746,477 km (0.084 R)
• M13: 8,922,915 km (0.065 R)
• M14: 9,804,345 km (0.088 R)
• M15: 11,796,091 km (0.117 R)
• M16: 12,917,028 km (0.094 R)
• M17: 15,030,098 km (0.109 R)
• M18: 15,713,312 km (0.107 R)
• M19: 16,274,752 km (0.086 R)
• M20: 16,632,291 km (0.045 R)
• M21: 17,363,226 km (0.118 R)
• M22: 21,684,361 km (0.062 R)
• M23: 22,468,104 km (0.088 R)
• M24: 25,503,595 km (0.108 R)
• M25: 26,671,954 km (0.067 R)
• M26: 33,742,697 km (0.082 R)
• M27: 35,268,745 km (0.117 R)
• M28: 37,456,913 km (0.119 R)
• M29: 38,205,950 km (0.105 R)
• M30: 48,576,373 km (0.064 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: 277 - 13,525 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit