🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.4

Radius: 14.7

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.75 AU - 1.19 AU

Year: 607 Days

Day: 10.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,520,279 km

• M1: 182,809 km (0.042 R)
• M2: 723,904 km (0.117 R)
• M3: 1,184,965 km (0.108 R)
• M4: 1,664,875 km (0.068 R)
• M5: 2,191,010 km (0.091 R)
• M6: 2,964,581 km (0.118 R)
• M7: 3,838,083 km (0.093 R)
• M8: 4,670,296 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.6

Radius: 9.8

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.93 AU - 1.03 AU

Year: 617 Days

Day: 7.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,520,279 km

• M1: 121,922 km (0.095 R)
• M2: 475,572 km (0.079 R)
• M3: 869,014 km (0.039 R)
• M4: 1,212,640 km (0.075 R)
• M5: 1,523,056 km (0.104 R)
• M6: 1,954,945 km (0.064 R)
• M7: 2,601,208 km (0.108 R)
• M8: 3,776,149 km (0.073 R)
• M9: 4,794,462 km (0.085 R)
• M10: 5,586,732 km (0.079 R)
• M11: 6,621,800 km (0.092 R)
• M12: 7,028,407 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.8

Radius: 11

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.1 AU - 1.36 AU

Year: 867 Days

Day: 11.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,520,279 km

• M1: 137,032 km (0.059 R)
• M2: 540,647 km (0.041 R)
• M3: 964,607 km (0.086 R)
• M4: 1,310,926 km (0.112 R)
• M5: 1,796,072 km (0.112 R)
• M6: 2,215,694 km (0.093 R)
• M7: 2,664,637 km (0.036 R)
• M8: 3,269,461 km (0.051 R)
• M9: 4,491,078 km (0.074 R)
• M10: 6,402,041 km (0.11 R)
• M11: 6,850,535 km (0.117 R)
• M12: 8,375,536 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.8

Radius: 13.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.54 AU - 1.7 AU

Year: 1311 Days

Day: 11.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,520,279 km

• M1: 169,345 km (0.089 R)
• M2: 642,672 km (0.032 R)
• M3: 1,438,084 km (0.091 R)
• M4: 2,001,021 km (0.046 R)
• M5: 2,580,713 km (0.094 R)
• M6: 3,257,793 km (0.03 R)
• M7: 3,864,412 km (0.084 R)
• M8: 4,754,370 km (0.041 R)
• M9: 5,557,561 km (0.032 R)
• M10: 7,751,264 km (0.108 R)
• M11: 8,676,677 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.2

Radius: 12.2

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.48 AU - 5.2 AU

Year: 5749 Days

Day: 10.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,520,279 km

• M1: 151,692 km (0.118 R)
• M2: 649,554 km (0.042 R)
• M3: 1,219,971 km (0.12 R)
• M4: 1,679,236 km (0.094 R)
• M5: 2,159,894 km (0.056 R)
• M6: 3,468,576 km (0.11 R)
• M7: 4,233,021 km (0.085 R)
• M8: 5,908,069 km (0.112 R)
• M9: 6,929,523 km (0.106 R)
• M10: 8,103,717 km (0.113 R)
• M11: 9,236,173 km (0.091 R)
• M12: 11,813,893 km (0.117 R)
• M13: 12,423,056 km (0.084 R)
• M14: 13,376,144 km (0.087 R)
• M15: 14,779,821 km (0.111 R)
• M16: 18,010,686 km (0.071 R)
• M17: 19,369,932 km (0.119 R)
• M18: 19,790,751 km (0.119 R)
• M19: 22,831,926 km (0.068 R)
• M20: 29,546,327 km (0.054 R)
• M21: 31,434,103 km (0.065 R)
• M22: 31,821,113 km (0.05 R)
• M23: 33,200,704 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.8

Radius: 10.2

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 5.26 AU - 5.68 AU

Year: 8134 Days

Day: 5.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,520,279 km

• M1: 127,607 km (0.053 R)
• M2: 472,580 km (0.052 R)
• M3: 1,030,281 km (0.103 R)
• M4: 1,372,411 km (0.107 R)
• M5: 1,750,145 km (0.07 R)
• M6: 2,873,027 km (0.12 R)
• M7: 3,589,900 km (0.064 R)
• M8: 4,474,622 km (0.041 R)
• M9: 5,498,171 km (0.116 R)
• M10: 5,904,030 km (0.078 R)
• M11: 7,465,831 km (0.101 R)
• M12: 7,808,560 km (0.076 R)
• M13: 8,161,761 km (0.1 R)
• M14: 10,183,725 km (0.085 R)
• M15: 10,990,956 km (0.116 R)
• M16: 11,687,483 km (0.09 R)
• M17: 12,465,991 km (0.095 R)
• M18: 13,003,945 km (0.107 R)
• M19: 15,929,331 km (0.107 R)
• M20: 17,213,479 km (0.12 R)
• M21: 21,250,976 km (0.056 R)
• M22: 22,331,372 km (0.074 R)
• M23: 27,650,324 km (0.118 R)
• M24: 28,013,996 km (0.091 R)
• M25: 28,658,314 km (0.101 R)
• M26: 29,690,540 km (0.039 R)
• M27: 31,829,191 km (0.081 R)
• M28: 32,631,784 km (0.115 R)
• M29: 34,277,360 km (0.101 R)
• M30: 35,333,521 km (0.047 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.3

Radius: 12.6

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.97 AU - 5.97 AU

Year: 8134 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,520,279 km

• M1: 159,920 km (0.056 R)
• M2: 586,723 km (0.028 R)
• M3: 1,001,109 km (0.054 R)
• M4: 1,435,691 km (0.084 R)
• M5: 2,349,734 km (0.053 R)
• M6: 3,619,969 km (0.081 R)
• M7: 4,124,413 km (0.082 R)
• M8: 5,703,269 km (0.098 R)
• M9: 6,491,500 km (0.114 R)
• M10: 7,463,587 km (0.1 R)
• M11: 7,886,501 km (0.103 R)
• M12: 8,284,730 km (0.079 R)
• M13: 9,696,036 km (0.097 R)
• M14: 10,819,068 km (0.057 R)
• M15: 12,826,372 km (0.12 R)
• M16: 13,889,414 km (0.088 R)
• M17: 21,691,242 km (0.098 R)
• M18: 23,361,203 km (0.045 R)
• M19: 27,771,798 km (0.119 R)
• M20: 30,124,074 km (0.117 R)
• M21: 33,118,725 km (0.094 R)
• M22: 37,189,881 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.7

Radius: 5.8

Gravity: 19.55 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 8.77 AU - 13.67 AU

Year: 23896 Days

Day: 18.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 84,520,279 km

• M1: 72,256 km (0.119 R)
• M2: 261,946 km (0.044 R)
• M3: 642,224 km (0.055 R)
• M4: 876,793 km (0.072 R)
• M5: 1,360,144 km (0.107 R)
• M6: 1,573,620 km (0.108 R)
• M7: 1,809,237 km (0.061 R)
• M8: 3,024,869 km (0.086 R)
• M9: 3,450,176 km (0.104 R)
• M10: 3,882,214 km (0.082 R)
• M11: 5,558,309 km (0.09 R)
• M12: 6,975,450 km (0.07 R)
• M13: 10,190,906 km (0.067 R)
• M14: 10,628,181 km (0.106 R)
• M15: 11,142,947 km (0.07 R)
• M16: 13,149,204 km (0.049 R)
• M17: 13,893,603 km (0.113 R)
• M18: 17,152,742 km (0.051 R)
• M19: 18,040,755 km (0.114 R)
• M20: 18,312,874 km (0.059 R)
• M21: 18,865,638 km (0.116 R)
• M22: 21,797,158 km (0.103 R)
• M23: 26,159,432 km (0.119 R)
• M24: 31,330,282 km (0.093 R)
• M25: 34,570,722 km (0.118 R)
• M26: 35,131,714 km (0.11 R)
• M27: 38,926,712 km (0.054 R)
• M28: 39,993,196 km (0.07 R)
• M29: 47,836,762 km (0.107 R)
• M30: 50,483,297 km (0.072 R)
• M31: 57,229,713 km (0.061 R)
• M32: 57,621,210 km (0.058 R)
• M33: 59,005,439 km (0.113 R)
• M34: 68,217,975 km (0.088 R)
• M35: 70,887,101 km (0.111 R)
• M36: 73,394,361 km (0.043 R)
• M37: 76,196,179 km (0.055 R)
• M38: 81,764,063 km (0.074 R)
• M39: 82,759,188 km (0.092 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 11,002 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit