🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.8

Radius: 14

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.71 AU - 0.91 AU

Year: 478 Days

Day: 13.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 94,804,439 km

• M1: 174,132 km (0.11 R)
• M2: 706,551 km (0.115 R)
• M3: 1,178,532 km (0.119 R)
• M4: 2,094,520 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459

Radius: 10.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.72 AU - 1 AU

Year: 523 Days

Day: 11.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 94,804,439 km

• M1: 129,552 km (0.089 R)
• M2: 477,666 km (0.051 R)
• M3: 1,078,750 km (0.114 R)
• M4: 1,418,936 km (0.111 R)
• M5: 2,165,728 km (0.063 R)
• M6: 2,579,217 km (0.099 R)
• M7: 2,990,761 km (0.12 R)
• M8: 3,494,008 km (0.11 R)
• M9: 4,066,369 km (0.109 R)
• M10: 4,424,955 km (0.079 R)
• M11: 5,064,486 km (0.118 R)
• M12: 5,696,986 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.1

Radius: 14.4

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1 AU - 1.08 AU

Year: 696 Days

Day: 12.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 94,804,439 km

• M1: 179,069 km (0.117 R)
• M2: 643,570 km (0.085 R)
• M3: 1,446,611 km (0.095 R)
• M4: 2,741,830 km (0.059 R)
• M5: 3,409,485 km (0.1 R)
• M6: 5,005,994 km (0.098 R)
• M7: 5,563,844 km (0.102 R)
• M8: 6,260,521 km (0.083 R)
• M9: 7,602,863 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.2

Radius: 9.5

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.02 AU - 1.34 AU

Year: 841 Days

Day: 9.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 94,804,439 km

• M1: 119,379 km (0.069 R)
• M2: 419,472 km (0.105 R)
• M3: 766,390 km (0.111 R)
• M4: 1,237,025 km (0.111 R)
• M5: 2,334,026 km (0.072 R)
• M6: 3,780,637 km (0.077 R)
• M7: 5,073,313 km (0.041 R)

Asteroid Belt

Center: 1.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.7

Radius: 11.6

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.21 AU - 2.21 AU

Year: 2155 Days

Day: 8.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 94,804,439 km

• M1: 144,212 km (0.051 R)
• M2: 510,727 km (0.085 R)
• M3: 968,945 km (0.12 R)
• M4: 1,495,979 km (0.075 R)
• M5: 2,087,040 km (0.086 R)
• M6: 3,320,474 km (0.114 R)
• M7: 3,794,400 km (0.118 R)
• M8: 4,558,995 km (0.088 R)
• M9: 4,945,107 km (0.066 R)
• M10: 5,982,419 km (0.067 R)
• M11: 6,769,154 km (0.117 R)
• M12: 7,594,037 km (0.068 R)
• M13: 8,389,449 km (0.112 R)
• M14: 8,774,813 km (0.065 R)
• M15: 9,512,330 km (0.102 R)
• M16: 10,584,049 km (0.106 R)
• M17: 11,303,316 km (0.052 R)
• M18: 11,734,457 km (0.084 R)
• M19: 12,546,624 km (0.071 R)
• M20: 14,419,290 km (0.04 R)
• M21: 16,722,200 km (0.087 R)
• M22: 17,179,819 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.6

Radius: 13.6

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.55 AU - 3.33 AU

Year: 3307 Days

Day: 9.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 94,804,439 km

• M1: 169,494 km (0.084 R)
• M2: 751,281 km (0.096 R)
• M3: 1,657,694 km (0.047 R)
• M4: 2,432,312 km (0.052 R)
• M5: 3,616,080 km (0.111 R)
• M6: 4,057,842 km (0.089 R)
• M7: 5,000,758 km (0.045 R)
• M8: 5,470,645 km (0.116 R)
• M9: 6,230,901 km (0.076 R)
• M10: 7,320,273 km (0.119 R)
• M11: 7,858,825 km (0.071 R)
• M12: 8,351,750 km (0.081 R)
• M13: 9,915,646 km (0.1 R)
• M14: 10,366,684 km (0.087 R)
• M15: 12,403,608 km (0.111 R)
• M16: 13,122,127 km (0.077 R)
• M17: 14,020,911 km (0.113 R)
• M18: 14,485,412 km (0.047 R)
• M19: 15,174,610 km (0.112 R)
• M20: 16,675,974 km (0.107 R)
• M21: 18,274,277 km (0.067 R)
• M22: 19,079,264 km (0.055 R)
• M23: 22,467,655 km (0.048 R)
• M24: 24,193,267 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742

Radius: 9.6

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.09 AU - 5.63 AU

Year: 8141 Days

Day: 12.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 94,804,439 km

• M1: 119,379 km (0.036 R)
• M2: 493,523 km (0.033 R)
• M3: 863,030 km (0.107 R)
• M4: 1,275,023 km (0.102 R)
• M5: 1,629,719 km (0.092 R)
• M6: 2,149,721 km (0.05 R)
• M7: 2,542,865 km (0.085 R)
• M8: 3,312,994 km (0.104 R)
• M9: 4,394,886 km (0.038 R)
• M10: 5,730,197 km (0.112 R)
• M11: 7,357,223 km (0.082 R)
• M12: 7,879,769 km (0.083 R)
• M13: 8,864,721 km (0.055 R)
• M14: 9,503,354 km (0.075 R)
• M15: 9,978,028 km (0.119 R)
• M16: 11,981,892 km (0.069 R)
• M17: 15,829,250 km (0.063 R)
• M18: 17,113,398 km (0.082 R)
• M19: 18,031,181 km (0.111 R)
• M20: 18,611,920 km (0.095 R)
• M21: 22,032,475 km (0.064 R)
• M22: 22,529,140 km (0.079 R)
• M23: 26,310,526 km (0.111 R)
• M24: 29,285,578 km (0.045 R)
• M25: 29,584,924 km (0.062 R)
• M26: 30,905,574 km (0.062 R)
• M27: 33,337,885 km (0.106 R)
• M28: 34,656,142 km (0.063 R)
• M29: 36,008,955 km (0.082 R)
• M30: 40,524,866 km (0.11 R)
• M31: 42,662,022 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.6

Radius: 3.2

Gravity: 96.54 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.95 AU - 11.57 AU

Year: 23154 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 94,804,439 km

• M1: 39,793 km (0.039 R)
• M2: 159,172 km (0.109 R)
• M3: 273,016 km (0.083 R)
• M4: 379,231 km (0.113 R)
• M5: 521,947 km (0.108 R)
• M6: 669,450 km (0.066 R)
• M7: 994,826 km (0.056 R)
• M8: 1,592,769 km (0.088 R)
• M9: 2,120,101 km (0.119 R)
• M10: 2,522,519 km (0.096 R)
• M11: 4,208,188 km (0.12 R)
• M12: 4,315,450 km (0.03 R)
• M13: 4,610,158 km (0.096 R)
• M14: 5,239,665 km (0.038 R)
• M15: 7,314,438 km (0.115 R)
• M16: 7,786,420 km (0.084 R)
• M17: 9,567,831 km (0.091 R)
• M18: 10,585,695 km (0.095 R)
• M19: 12,536,601 km (0.057 R)
• M20: 12,758,903 km (0.101 R)
• M21: 13,596,352 km (0.108 R)
• M22: 19,109,333 km (0.096 R)
• M23: 19,305,156 km (0.106 R)
• M24: 21,975,478 km (0.114 R)
• M25: 26,791,931 km (0.057 R)
• M26: 31,170,811 km (0.086 R)
• M27: 33,245,584 km (0.081 R)
• M28: 34,388,811 km (0.101 R)
• M29: 35,263,360 km (0.104 R)
• M30: 38,130,253 km (0.086 R)
• M31: 42,133,791 km (0.101 R)
• M32: 45,010,559 km (0.101 R)
• M33: 46,056,397 km (0.027 R)
• M34: 49,290,703 km (0.113 R)
• M35: 50,215,368 km (0.103 R)
• M36: 51,340,044 km (0.111 R)
• M37: 58,442,802 km (0.115 R)
• M38: 60,948,416 km (0.052 R)
• M39: 67,750,781 km (0.087 R)
• M40: 77,998,535 km (0.051 R)
• M41: 87,065,063 km (0.08 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 14,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit