🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.1

Radius: 13.9

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.53 AU - 0.55 AU

Year: 274 Days

Day: 11.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 35,037,606 km

• M1: 172,935 km (0.091 R)
• M2: 605,572 km (0.05 R)
• M3: 1,097,749 km (0.118 R)
• M4: 1,989,352 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.2

Radius: 14.7

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.91 AU - 1.29 AU

Year: 796 Days

Day: 12.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 35,037,606 km

• M1: 196,721 km (0.107 R)
• M2: 1,746,854 km (0.042 R)
• M3: 2,776,836 km (0.054 R)
• M4: 3,278,138 km (0.102 R)
• M5: 3,979,154 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548

Radius: 14.6

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1 AU - 1.38 AU

Year: 896 Days

Day: 9.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,037,606 km

• M1: 181,612 km (0.072 R)
• M2: 809,923 km (0.102 R)
• M3: 1,633,758 km (0.073 R)
• M4: 2,437,697 km (0.05 R)
• M5: 3,073,937 km (0.112 R)
• M6: 3,591,097 km (0.097 R)
• M7: 4,420,019 km (0.104 R)
• M8: 4,976,672 km (0.068 R)
• M9: 5,561,002 km (0.073 R)
• M10: 6,049,139 km (0.106 R)
• M11: 7,045,162 km (0.106 R)
• M12: 7,500,987 km (0.094 R)
• M13: 8,123,314 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.3

Radius: 12.7

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.43 AU - 1.47 AU

Year: 1205 Days

Day: 14.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,037,606 km

• M1: 157,975 km (0.051 R)
• M2: 826,379 km (0.068 R)
• M3: 1,350,570 km (0.088 R)
• M4: 1,771,987 km (0.048 R)
• M5: 2,218,836 km (0.082 R)
• M6: 3,650,038 km (0.103 R)
• M7: 4,750,032 km (0.05 R)
• M8: 6,361,649 km (0.101 R)
• M9: 6,787,555 km (0.066 R)
• M10: 7,304,565 km (0.073 R)
• M11: 8,822,086 km (0.08 R)
• M12: 10,265,107 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.1

Radius: 9.8

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.33 AU - 2.15 AU

Year: 1584 Days

Day: 6.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,037,606 km

• M1: 134,339 km (0.094 R)
• M2: 460,013 km (0.06 R)
• M3: 817,852 km (0.094 R)
• M4: 1,555,070 km (0.074 R)
• M5: 1,877,004 km (0.105 R)
• M6: 2,406,282 km (0.085 R)
• M7: 3,474,859 km (0.093 R)
• M8: 3,887,749 km (0.103 R)
• M9: 4,730,434 km (0.031 R)
• M10: 5,108,468 km (0.053 R)
• M11: 6,191,706 km (0.109 R)
• M12: 6,593,377 km (0.058 R)
• M13: 7,366,050 km (0.108 R)
• M14: 8,713,777 km (0.062 R)
• M15: 9,283,595 km (0.105 R)
• M16: 10,047,591 km (0.101 R)
• M17: 10,603,347 km (0.103 R)
• M18: 11,106,445 km (0.069 R)
• M19: 12,160,213 km (0.047 R)
• M20: 12,512,815 km (0.041 R)
• M21: 14,773,239 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.8

Radius: 12.2

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.32 AU - 2.9 AU

Year: 2911 Days

Day: 11.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,037,606 km

• M1: 156,629 km (0.111 R)
• M2: 572,960 km (0.061 R)
• M3: 981,960 km (0.107 R)
• M4: 1,843,644 km (0.112 R)
• M5: 2,854,776 km (0.055 R)
• M6: 3,447,034 km (0.079 R)
• M7: 3,954,171 km (0.072 R)
• M8: 4,623,771 km (0.066 R)
• M9: 5,292,324 km (0.095 R)
• M10: 6,079,209 km (0.081 R)
• M11: 7,562,322 km (0.052 R)
• M12: 8,084,419 km (0.102 R)
• M13: 9,758,867 km (0.099 R)
• M14: 10,418,145 km (0.107 R)
• M15: 11,653,824 km (0.03 R)
• M16: 12,042,928 km (0.055 R)
• M17: 12,530,318 km (0.119 R)
• M18: 13,450,345 km (0.108 R)
• M19: 15,219,040 km (0.095 R)
• M20: 16,053,048 km (0.115 R)
• M21: 18,738,480 km (0.078 R)
• M22: 20,126,000 km (0.093 R)
• M23: 20,624,310 km (0.043 R)
• M24: 21,130,699 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.6

Radius: 10.3

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.41 AU - 3.03 AU

Year: 3096 Days

Day: 13.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,037,606 km

• M1: 128,056 km (0.11 R)
• M2: 486,193 km (0.072 R)
• M3: 896,540 km (0.052 R)
• M4: 2,421,840 km (0.111 R)
• M5: 3,415,619 km (0.108 R)
• M6: 4,543,437 km (0.109 R)
• M7: 7,550,803 km (0.062 R)
• M8: 8,162,509 km (0.04 R)
• M9: 8,516,308 km (0.119 R)
• M10: 9,640,087 km (0.113 R)
• M11: 10,278,421 km (0.101 R)
• M12: 11,419,404 km (0.108 R)
• M13: 11,952,720 km (0.115 R)
• M14: 14,102,142 km (0.116 R)
• M15: 19,213,902 km (0.093 R)
• M16: 22,559,508 km (0.082 R)
• M17: 23,117,359 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.3

Radius: 3.9

Gravity: 44.46 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.81 AU - 5.87 AU

Year: 9742 Days

Day: 24.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 35,037,606 km

• M1: 52,210 km (0.114 R)
• M2: 200,461 km (0.08 R)
• M3: 401,221 km (0.055 R)
• M4: 554,260 km (0.096 R)
• M5: 960,568 km (0.05 R)
• M6: 1,088,175 km (0.038 R)
• M7: 1,227,002 km (0.104 R)
• M8: 2,023,162 km (0.057 R)
• M9: 2,271,195 km (0.101 R)
• M10: 2,892,475 km (0.077 R)
• M11: 3,519,888 km (0.09 R)
• M12: 4,205,346 km (0.083 R)
• M13: 7,183,241 km (0.064 R)
• M14: 8,189,137 km (0.11 R)
• M15: 10,018,121 km (0.063 R)
• M16: 10,270,642 km (0.103 R)
• M17: 10,736,041 km (0.109 R)
• M18: 12,273,757 km (0.095 R)
• M19: 13,765,547 km (0.072 R)
• M20: 15,440,744 km (0.07 R)
• M21: 19,267,009 km (0.114 R)
• M22: 20,293,550 km (0.076 R)
• M23: 23,062,157 km (0.076 R)
• M24: 25,882,676 km (0.101 R)
• M25: 27,523,016 km (0.097 R)
• M26: 29,231,424 km (0.111 R)
• M27: 32,857,527 km (0.08 R)
• M28: 35,824,501 km (0.064 R)
• M29: 45,511,711 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.9

Radius: 4.2

Gravity: 31.34 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.17 AU - 7.31 AU

Year: 13447 Days

Day: 23 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 35,037,606 km

• M1: 52,210 km (0.063 R)
• M2: 309,817 km (0.066 R)
• M3: 513,420 km (0.09 R)
• M4: 1,040,304 km (0.113 R)
• M5: 1,766,152 km (0.081 R)
• M6: 2,244,118 km (0.053 R)
• M7: 2,693,510 km (0.117 R)
• M8: 2,848,493 km (0.115 R)
• M9: 3,176,262 km (0.12 R)
• M10: 3,324,214 km (0.064 R)
• M11: 4,431,538 km (0.104 R)
• M12: 4,679,272 km (0.12 R)
• M13: 5,101,587 km (0.086 R)
• M14: 5,408,711 km (0.119 R)
• M15: 7,173,218 km (0.105 R)
• M16: 8,558,045 km (0.092 R)
• M17: 10,871,277 km (0.065 R)
• M18: 13,569,873 km (0.071 R)
• M19: 14,969,511 km (0.071 R)
• M20: 15,739,641 km (0.114 R)
• M21: 17,818,902 km (0.09 R)
• M22: 18,208,454 km (0.113 R)
• M23: 19,906,989 km (0.047 R)
• M24: 20,158,014 km (0.117 R)
• M25: 26,935,246 km (0.067 R)
• M26: 28,282,525 km (0.116 R)
• M27: 30,552,822 km (0.086 R)
• M28: 37,068,707 km (0.116 R)
• M29: 37,959,113 km (0.117 R)
• M30: 39,255,678 km (0.084 R)
• M31: 41,120,116 km (0.112 R)
• M32: 41,936,921 km (0.088 R)
• M33: 42,074,102 km (0.066 R)
• M34: 45,456,809 km (0.055 R)
• M35: 45,601,620 km (0.112 R)
• M36: 45,891,989 km (0.088 R)
• M37: 47,660,535 km (0.088 R)
• M38: 52,757,335 km (0.077 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.1

Radius: 5

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.59 AU - 11.75 AU

Year: 20756 Days

Day: 21 Hours

Environment

Temp: -227 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,037,606 km

• M1: 85,271 km (0.032 R)
• M2: 727,943 km (0.077 R)
• M3: 1,064,389 km (0.086 R)
• M4: 2,217,639 km (0.116 R)
• M5: 3,422,350 km (0.12 R)
• M6: 4,756,464 km (0.078 R)
• M7: 6,204,422 km (0.104 R)
• M8: 11,108,091 km (0.108 R)
• M9: 21,465,798 km (0.051 R)
• M10: 23,332,630 km (0.042 R)
• M11: 25,220,855 km (0.049 R)
• M12: 30,334,259 km (0.107 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 13,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit