🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.3

Radius: 14.5

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.52 AU - 0.78 AU

Year: 362 Days

Day: 12.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,264,066 km

• M1: 180,265 km (0.115 R)
• M2: 647,310 km (0.088 R)
• M3: 1,206,806 km (0.057 R)
• M4: 1,839,156 km (0.105 R)
• M5: 2,293,036 km (0.106 R)
• M6: 2,979,092 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.5

Radius: 9.7

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.67 AU - 0.67 AU

Year: 379 Days

Day: 5.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,264,066 km

• M1: 120,576 km (0.115 R)
• M2: 444,156 km (0.086 R)
• M3: 931,396 km (0.093 R)
• M4: 1,406,370 km (0.109 R)
• M5: 2,340,907 km (0.069 R)
• M6: 2,956,353 km (0.117 R)
• M7: 3,347,402 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.8

Radius: 13.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.75 AU - 1.17 AU

Year: 649 Days

Day: 13.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,264,066 km

• M1: 166,652 km (0.093 R)
• M2: 688,150 km (0.063 R)
• M3: 1,370,017 km (0.051 R)
• M4: 2,184,279 km (0.094 R)
• M5: 2,860,012 km (0.09 R)
• M6: 3,568,208 km (0.039 R)
• M7: 4,260,398 km (0.095 R)
• M8: 4,854,601 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.6

Radius: 12

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.19 AU - 2.49 AU

Year: 2471 Days

Day: 14.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,264,066 km

• M1: 149,299 km (0.039 R)
• M2: 687,103 km (0.115 R)
• M3: 1,433,596 km (0.06 R)
• M4: 2,080,757 km (0.047 R)
• M5: 2,508,457 km (0.037 R)
• M6: 3,313,742 km (0.11 R)
• M7: 3,902,111 km (0.107 R)
• M8: 4,325,473 km (0.046 R)
• M9: 5,076,454 km (0.026 R)
• M10: 5,809,484 km (0.046 R)
• M11: 6,363,744 km (0.103 R)
• M12: 6,895,265 km (0.069 R)
• M13: 8,079,781 km (0.103 R)
• M14: 8,703,754 km (0.102 R)
• M15: 9,218,969 km (0.095 R)
• M16: 9,718,177 km (0.089 R)
• M17: 10,310,734 km (0.084 R)
• M18: 11,005,915 km (0.085 R)
• M19: 12,065,068 km (0.104 R)
• M20: 13,917,838 km (0.111 R)
• M21: 14,480,326 km (0.099 R)
• M22: 19,367,988 km (0.11 R)

Asteroid Belt

Center: 3.05 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.1

Radius: 8.4

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.15 AU - 4.37 AU

Year: 5033 Days

Day: 6.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,264,066 km

• M1: 105,167 km (0.093 R)
• M2: 376,089 km (0.118 R)
• M3: 1,155,943 km (0.113 R)
• M4: 1,852,470 km (0.057 R)
• M5: 2,293,784 km (0.056 R)
• M6: 3,284,720 km (0.102 R)
• M7: 4,143,861 km (0.118 R)
• M8: 4,436,474 km (0.059 R)
• M9: 4,821,390 km (0.065 R)
• M10: 5,173,094 km (0.116 R)
• M11: 6,395,608 km (0.113 R)
• M12: 7,023,171 km (0.115 R)
• M13: 8,831,062 km (0.033 R)
• M14: 9,609,120 km (0.119 R)
• M15: 11,348,195 km (0.096 R)
• M16: 14,198,035 km (0.119 R)
• M17: 16,443,798 km (0.101 R)
• M18: 17,809,776 km (0.107 R)
• M19: 20,695,669 km (0.087 R)
• M20: 21,626,167 km (0.088 R)
• M21: 22,064,788 km (0.043 R)
• M22: 24,191,023 km (0.119 R)
• M23: 25,303,732 km (0.072 R)
• M24: 26,450,250 km (0.104 R)
• M25: 27,120,748 km (0.041 R)
• M26: 28,495,702 km (0.091 R)
• M27: 29,826,375 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.7

Radius: 8.7

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.53 AU - 5.11 AU

Year: 6198 Days

Day: 12 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,264,066 km

• M1: 133,740 km (0.078 R)
• M2: 422,165 km (0.111 R)
• M3: 797,805 km (0.029 R)
• M4: 1,797,418 km (0.065 R)
• M5: 2,134,462 km (0.067 R)
• M6: 2,548,400 km (0.054 R)
• M7: 3,999,200 km (0.05 R)
• M8: 5,211,990 km (0.099 R)
• M9: 6,964,230 km (0.098 R)
• M10: 8,070,057 km (0.091 R)
• M11: 8,787,379 km (0.112 R)
• M12: 9,853,264 km (0.113 R)
• M13: 10,533,036 km (0.077 R)
• M14: 11,635,274 km (0.073 R)
• M15: 12,343,021 km (0.103 R)
• M16: 12,759,950 km (0.113 R)
• M17: 16,567,964 km (0.117 R)
• M18: 18,525,452 km (0.074 R)
• M19: 20,778,247 km (0.116 R)
• M20: 21,818,999 km (0.083 R)
• M21: 23,763,323 km (0.1 R)
• M22: 25,735,920 km (0.107 R)
• M23: 26,589,226 km (0.11 R)
• M24: 28,352,088 km (0.079 R)
• M25: 31,622,297 km (0.09 R)
• M26: 33,801,788 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.3

Radius: 13.1

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.89 AU - 5.71 AU

Year: 8422 Days

Day: 9 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,264,066 km

• M1: 162,912 km (0.095 R)
• M2: 591,061 km (0.107 R)
• M3: 1,005,148 km (0.11 R)
• M4: 1,898,098 km (0.107 R)
• M5: 2,461,184 km (0.075 R)
• M6: 3,172,522 km (0.104 R)
• M7: 5,945,468 km (0.114 R)
• M8: 7,638,617 km (0.082 R)
• M9: 8,428,643 km (0.115 R)
• M10: 9,233,031 km (0.101 R)
• M11: 10,470,205 km (0.087 R)
• M12: 11,128,735 km (0.102 R)
• M13: 13,271,874 km (0.07 R)
• M14: 16,775,606 km (0.114 R)
• M15: 17,924,368 km (0.053 R)
• M16: 20,922,160 km (0.116 R)
• M17: 24,239,792 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 769.4

Radius: 7.4

Gravity: 14.05 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.72 AU - 7.94 AU

Year: 12321 Days

Day: 21.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,264,066 km

• M1: 94,247 km (0.107 R)
• M2: 330,611 km (0.031 R)
• M3: 700,866 km (0.117 R)
• M4: 974,630 km (0.117 R)
• M5: 1,268,141 km (0.11 R)
• M6: 1,930,561 km (0.089 R)
• M7: 2,222,276 km (0.108 R)
• M8: 5,096,201 km (0.086 R)
• M9: 5,336,605 km (0.11 R)
• M10: 5,620,691 km (0.045 R)
• M11: 7,281,527 km (0.107 R)
• M12: 7,631,436 km (0.084 R)
• M13: 8,223,993 km (0.079 R)
• M14: 8,651,843 km (0.037 R)
• M15: 10,025,152 km (0.085 R)
• M16: 10,961,036 km (0.111 R)
• M17: 14,117,102 km (0.11 R)
• M18: 14,730,753 km (0.103 R)
• M19: 15,149,627 km (0.08 R)
• M20: 17,133,743 km (0.104 R)
• M21: 18,548,790 km (0.059 R)
• M22: 19,870,636 km (0.078 R)
• M23: 22,700,579 km (0.055 R)
• M24: 37,739,952 km (0.12 R)
• M25: 41,079,725 km (0.064 R)
• M26: 41,770,418 km (0.118 R)
• M27: 45,635,130 km (0.095 R)
• M28: 50,044,527 km (0.042 R)
• M29: 50,516,209 km (0.083 R)
• M30: 55,902,929 km (0.064 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 13,082 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit