🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.4

Radius: 12.2

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.44 AU - 0.58 AU

Year: 247 Days

Day: 9.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,065,557 km

• M1: 151,692 km (0.059 R)
• M2: 571,165 km (0.105 R)
• M3: 1,038,658 km (0.081 R)
• M4: 1,530,835 km (0.112 R)
• M5: 1,989,652 km (0.082 R)
• M6: 2,370,677 km (0.083 R)
• M7: 2,838,320 km (0.108 R)
• M8: 3,420,855 km (0.111 R)
• M9: 3,868,152 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.1

Radius: 11

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.48 AU - 0.7 AU

Year: 307 Days

Day: 6.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,065,557 km

• M1: 136,882 km (0.075 R)
• M2: 481,107 km (0.085 R)
• M3: 1,051,224 km (0.067 R)
• M4: 1,478,326 km (0.096 R)
• M5: 1,838,707 km (0.111 R)
• M6: 2,292,737 km (0.051 R)
• M7: 2,684,085 km (0.038 R)
• M8: 3,173,868 km (0.079 R)
• M9: 3,674,722 km (0.111 R)
• M10: 4,267,429 km (0.103 R)
• M11: 4,806,729 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.2

Radius: 8.5

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.7 AU - 0.82 AU

Year: 449 Days

Day: 5.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,065,557 km

• M1: 105,766 km (0.056 R)
• M2: 569,220 km (0.089 R)
• M3: 849,118 km (0.099 R)
• M4: 1,313,769 km (0.1 R)
• M5: 2,230,654 km (0.061 R)
• M6: 2,815,282 km (0.038 R)
• M7: 3,143,949 km (0.026 R)
• M8: 4,120,823 km (0.086 R)
• M9: 4,799,997 km (0.079 R)
• M10: 5,206,604 km (0.05 R)
• M11: 5,534,822 km (0.074 R)
• M12: 6,017,724 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123

Radius: 12.3

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.67 AU - 1.07 AU

Year: 550 Days

Day: 11.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,065,557 km

• M1: 153,039 km (0.089 R)
• M2: 555,906 km (0.101 R)
• M3: 1,079,797 km (0.099 R)
• M4: 1,652,009 km (0.088 R)
• M5: 2,173,358 km (0.084 R)
• M6: 2,866,594 km (0.079 R)
• M7: 3,801,132 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.6

Radius: 8.3

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.04 AU - 1.2 AU

Year: 804 Days

Day: 6.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,065,557 km

• M1: 103,223 km (0.088 R)
• M2: 548,127 km (0.115 R)
• M3: 906,862 km (0.058 R)
• M4: 1,271,133 km (0.109 R)
• M5: 1,892,413 km (0.058 R)
• M6: 4,078,337 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.4

Radius: 8.1

Gravity: 13.69 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.13 AU - 1.55 AU

Year: 1052 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,065,557 km

• M1: 101,577 km (0.096 R)
• M2: 477,068 km (0.107 R)
• M3: 837,150 km (0.068 R)
• M4: 1,143,077 km (0.102 R)
• M5: 1,674,898 km (0.1 R)
• M6: 2,304,555 km (0.062 R)
• M7: 3,479,048 km (0.086 R)
• M8: 4,536,555 km (0.117 R)
• M9: 5,129,412 km (0.112 R)
• M10: 5,816,216 km (0.094 R)
• M11: 6,170,463 km (0.077 R)
• M12: 8,272,912 km (0.12 R)
• M13: 8,579,737 km (0.079 R)
• M14: 11,179,150 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.2

Radius: 8.9

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.32 AU - 5.08 AU

Year: 5838 Days

Day: 7.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,065,557 km

• M1: 112,049 km (0.039 R)
• M2: 600,486 km (0.099 R)
• M3: 1,000,810 km (0.072 R)
• M4: 1,277,865 km (0.114 R)
• M5: 2,148,674 km (0.045 R)
• M6: 3,500,141 km (0.071 R)
• M7: 3,947,589 km (0.115 R)
• M8: 5,076,753 km (0.068 R)
• M9: 5,573,867 km (0.107 R)
• M10: 6,048,691 km (0.057 R)
• M11: 7,604,808 km (0.046 R)
• M12: 8,222,647 km (0.112 R)
• M13: 9,014,917 km (0.114 R)
• M14: 10,200,630 km (0.081 R)
• M15: 12,654,334 km (0.115 R)
• M16: 13,060,493 km (0.051 R)
• M17: 15,476,797 km (0.088 R)
• M18: 17,949,650 km (0.112 R)
• M19: 18,405,026 km (0.092 R)
• M20: 18,809,838 km (0.061 R)
• M21: 19,878,116 km (0.074 R)
• M22: 20,488,775 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.4

Radius: 13.1

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.28 AU - 5.78 AU

Year: 8820 Days

Day: 14.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,065,557 km

• M1: 162,912 km (0.11 R)
• M2: 764,296 km (0.09 R)
• M3: 1,184,516 km (0.084 R)
• M4: 2,254,889 km (0.088 R)
• M5: 3,428,185 km (0.1 R)
• M6: 3,846,012 km (0.109 R)
• M7: 4,473,276 km (0.095 R)
• M8: 6,344,446 km (0.115 R)
• M9: 7,840,424 km (0.114 R)
• M10: 11,567,506 km (0.062 R)
• M11: 12,312,204 km (0.09 R)
• M12: 14,398,346 km (0.115 R)
• M13: 14,969,212 km (0.111 R)
• M14: 15,614,577 km (0.072 R)
• M15: 16,278,492 km (0.073 R)
• M16: 18,119,145 km (0.103 R)
• M17: 19,954,262 km (0.094 R)
• M18: 23,596,222 km (0.053 R)
• M19: 24,551,404 km (0.077 R)
• M20: 27,052,381 km (0.08 R)
• M21: 29,627,110 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.4

Radius: 6.1

Gravity: 11.62 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.55 AU - 7.63 AU

Year: 11474 Days

Day: 16.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 45,065,557 km

• M1: 88,263 km (0.073 R)
• M2: 281,693 km (0.08 R)
• M3: 588,368 km (0.11 R)
• M4: 804,388 km (0.098 R)
• M5: 1,813,126 km (0.091 R)
• M6: 2,038,121 km (0.068 R)
• M7: 2,912,222 km (0.115 R)
• M8: 3,338,127 km (0.069 R)
• M9: 3,677,864 km (0.074 R)
• M10: 4,230,478 km (0.116 R)
• M11: 4,806,729 km (0.098 R)
• M12: 5,020,355 km (0.089 R)
• M13: 6,548,946 km (0.069 R)
• M14: 7,120,859 km (0.047 R)
• M15: 8,673,535 km (0.112 R)
• M16: 9,129,210 km (0.092 R)
• M17: 10,337,961 km (0.114 R)
• M18: 10,954,603 km (0.073 R)
• M19: 12,204,493 km (0.105 R)
• M20: 13,069,169 km (0.085 R)
• M21: 13,667,710 km (0.076 R)
• M22: 15,907,490 km (0.112 R)
• M23: 17,939,777 km (0.053 R)
• M24: 19,361,256 km (0.045 R)
• M25: 22,173,396 km (0.089 R)
• M26: 25,246,585 km (0.117 R)
• M27: 27,028,146 km (0.079 R)
• M28: 28,592,192 km (0.117 R)
• M29: 29,701,760 km (0.029 R)
• M30: 29,906,559 km (0.117 R)
• M31: 34,315,208 km (0.119 R)
• M32: 34,540,652 km (0.046 R)
• M33: 36,030,647 km (0.116 R)
• M34: 36,968,626 km (0.102 R)
• M35: 40,505,119 km (0.068 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: 418 - 12,709 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit