🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.2

Radius: 11.3

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.5 AU - 0.7 AU

Year: 321 Days

Day: 8.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,497,165 km

• M1: 140,472 km (0.119 R)
• M2: 492,626 km (0.105 R)
• M3: 902,823 km (0.095 R)
• M4: 1,266,196 km (0.112 R)
• M5: 1,736,532 km (0.098 R)
• M6: 2,184,279 km (0.069 R)
• M7: 2,581,311 km (0.034 R)
• M8: 2,986,721 km (0.106 R)
• M9: 3,963,745 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.8

Radius: 11.1

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.3 AU - 2.06 AU

Year: 1503 Days

Day: 11.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,497,165 km

• M1: 243,545 km (0.12 R)
• M2: 683,812 km (0.062 R)
• M3: 1,044,792 km (0.068 R)
• M4: 1,461,870 km (0.056 R)
• M5: 2,878,263 km (0.11 R)
• M6: 3,731,868 km (0.105 R)
• M7: 4,079,983 km (0.064 R)
• M8: 6,625,390 km (0.119 R)
• M9: 7,038,729 km (0.117 R)
• M10: 7,625,602 km (0.092 R)
• M11: 8,217,112 km (0.103 R)
• M12: 8,839,140 km (0.105 R)
• M13: 10,240,872 km (0.116 R)
• M14: 11,541,177 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.5

Radius: 8

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.05 AU - 2.19 AU

Year: 2131 Days

Day: 5.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,497,165 km

• M1: 102,026 km (0.083 R)
• M2: 527,482 km (0.078 R)
• M3: 846,724 km (0.079 R)
• M4: 1,329,775 km (0.096 R)
• M5: 1,826,141 km (0.069 R)
• M6: 2,179,940 km (0.114 R)
• M7: 2,650,126 km (0.097 R)
• M8: 3,041,774 km (0.092 R)
• M9: 4,075,196 km (0.101 R)
• M10: 5,609,023 km (0.058 R)
• M11: 6,230,751 km (0.117 R)
• M12: 6,953,010 km (0.045 R)
• M13: 7,493,806 km (0.112 R)
• M14: 7,789,561 km (0.091 R)
• M15: 8,062,278 km (0.114 R)
• M16: 8,372,993 km (0.064 R)
• M17: 9,353,008 km (0.118 R)
• M18: 9,765,749 km (0.056 R)
• M19: 11,617,621 km (0.109 R)
• M20: 11,894,377 km (0.076 R)
• M21: 13,692,095 km (0.085 R)
• M22: 14,269,542 km (0.103 R)
• M23: 15,095,622 km (0.111 R)
• M24: 15,472,908 km (0.097 R)
• M25: 16,642,464 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.2

Radius: 14.5

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.42 AU - 5.28 AU

Year: 7373 Days

Day: 13.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,497,165 km

• M1: 183,257 km (0.109 R)
• M2: 1,296,714 km (0.075 R)
• M3: 2,150,918 km (0.034 R)
• M4: 2,900,852 km (0.116 R)
• M5: 6,878,510 km (0.08 R)
• M6: 7,496,948 km (0.082 R)
• M7: 8,367,009 km (0.055 R)
• M8: 8,883,271 km (0.073 R)
• M9: 9,499,166 km (0.045 R)
• M10: 10,989,759 km (0.038 R)
• M11: 15,722,886 km (0.104 R)
• M12: 16,915,031 km (0.116 R)
• M13: 17,984,058 km (0.06 R)
• M14: 21,462,657 km (0.073 R)
• M15: 22,857,807 km (0.093 R)
• M16: 23,432,562 km (0.083 R)
• M17: 24,090,493 km (0.102 R)
• M18: 25,520,200 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854

Radius: 7.9

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.72 AU - 8.98 AU

Year: 16655 Days

Day: 19.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,497,165 km

• M1: 113,096 km (0.029 R)
• M2: 848,220 km (0.078 R)
• M3: 1,098,946 km (0.093 R)
• M4: 1,523,056 km (0.078 R)
• M5: 1,975,589 km (0.089 R)
• M6: 2,492,600 km (0.116 R)
• M7: 3,475,607 km (0.119 R)
• M8: 4,326,520 km (0.118 R)
• M9: 5,123,877 km (0.039 R)
• M10: 5,694,443 km (0.103 R)
• M11: 7,807,214 km (0.094 R)
• M12: 10,394,359 km (0.105 R)
• M13: 14,221,821 km (0.086 R)
• M14: 14,516,080 km (0.048 R)
• M15: 15,423,241 km (0.088 R)
• M16: 17,018,403 km (0.087 R)
• M17: 20,069,452 km (0.12 R)
• M18: 20,533,205 km (0.052 R)
• M19: 23,466,820 km (0.1 R)
• M20: 28,723,539 km (0.099 R)
• M21: 30,029,828 km (0.084 R)
• M22: 33,533,111 km (0.09 R)
• M23: 38,996,724 km (0.107 R)
• M24: 41,638,024 km (0.066 R)
• M25: 43,002,357 km (0.047 R)
• M26: 45,660,262 km (0.094 R)
• M27: 50,785,635 km (0.09 R)
• M28: 54,109,251 km (0.104 R)
• M29: 61,380,455 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321.8

Radius: 4.9

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.06 AU - 9.8 AU

Year: 16895 Days

Day: 23.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,497,165 km

• M1: 61,036 km (0.08 R)
• M2: 1,219,971 km (0.106 R)
• M3: 1,416,393 km (0.089 R)
• M4: 1,633,758 km (0.118 R)
• M5: 1,856,659 km (0.089 R)
• M6: 2,324,601 km (0.051 R)
• M7: 2,935,110 km (0.076 R)
• M8: 3,192,718 km (0.09 R)
• M9: 3,646,747 km (0.068 R)
• M10: 4,229,281 km (0.106 R)
• M11: 5,826,987 km (0.063 R)
• M12: 6,387,081 km (0.106 R)
• M13: 6,982,331 km (0.067 R)
• M14: 7,399,111 km (0.047 R)
• M15: 7,921,058 km (0.108 R)
• M16: 8,328,263 km (0.11 R)
• M17: 10,150,365 km (0.11 R)
• M18: 11,985,781 km (0.102 R)
• M19: 15,170,570 km (0.052 R)
• M20: 16,734,915 km (0.098 R)
• M21: 18,015,174 km (0.115 R)
• M22: 19,603,155 km (0.096 R)
• M23: 23,328,591 km (0.095 R)
• M24: 26,488,697 km (0.09 R)
• M25: 26,890,217 km (0.062 R)
• M26: 30,797,714 km (0.111 R)
• M27: 31,465,070 km (0.1 R)
• M28: 31,802,413 km (0.076 R)
• M29: 32,369,838 km (0.108 R)
• M30: 33,994,620 km (0.066 R)
• M31: 34,827,132 km (0.083 R)
• M32: 41,306,665 km (0.108 R)
• M33: 48,246,211 km (0.115 R)
• M34: 50,056,794 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.1

Radius: 3.3

Gravity: 68.24 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.81 AU - 8.89 AU

Year: 18173 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,497,165 km

• M1: 41,139 km (0.087 R)
• M2: 167,699 km (0.106 R)
• M3: 283,488 km (0.089 R)
• M4: 790,026 km (0.069 R)
• M5: 956,379 km (0.111 R)
• M6: 1,067,082 km (0.096 R)
• M7: 1,344,286 km (0.069 R)
• M8: 1,532,481 km (0.111 R)
• M9: 2,080,158 km (0.104 R)
• M10: 2,310,390 km (0.062 R)
• M11: 2,627,687 km (0.08 R)
• M12: 3,238,196 km (0.095 R)
• M13: 3,845,114 km (0.077 R)
• M14: 4,558,696 km (0.106 R)
• M15: 6,074,870 km (0.049 R)
• M16: 6,720,834 km (0.082 R)
• M17: 7,651,632 km (0.052 R)
• M18: 9,879,743 km (0.109 R)
• M19: 11,907,392 km (0.093 R)
• M20: 12,776,855 km (0.09 R)
• M21: 12,983,450 km (0.073 R)
• M22: 15,795,590 km (0.079 R)
• M23: 15,954,015 km (0.094 R)
• M24: 16,273,855 km (0.117 R)
• M25: 20,079,325 km (0.107 R)
• M26: 23,602,355 km (0.056 R)
• M27: 23,913,220 km (0.075 R)
• M28: 24,649,241 km (0.089 R)
• M29: 25,617,738 km (0.091 R)
• M30: 26,166,612 km (0.076 R)
• M31: 29,505,338 km (0.094 R)
• M32: 40,754,948 km (0.085 R)
• M33: 54,195,269 km (0.041 R)
• M34: 54,917,229 km (0.075 R)
• M35: 55,828,878 km (0.118 R)
• M36: 70,952,325 km (0.104 R)
• M37: 71,383,466 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.8

Radius: 4.3

Gravity: 9.78 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.86 AU - 11.82 AU

Year: 22950 Days

Day: 19.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,497,165 km

• M1: 58,642 km (0.115 R)
• M2: 260,300 km (0.069 R)
• M3: 414,237 km (0.112 R)
• M4: 888,462 km (0.082 R)
• M5: 1,290,581 km (0.118 R)
• M6: 1,739,823 km (0.099 R)
• M7: 1,939,387 km (0.111 R)
• M8: 2,917,158 km (0.063 R)
• M9: 7,438,754 km (0.114 R)
• M10: 9,540,006 km (0.03 R)
• M11: 11,482,235 km (0.077 R)
• M12: 12,363,965 km (0.104 R)
• M13: 12,976,419 km (0.043 R)
• M14: 14,261,315 km (0.096 R)
• M15: 17,840,144 km (0.096 R)
• M16: 19,181,589 km (0.1 R)
• M17: 23,792,943 km (0.037 R)
• M18: 24,834,443 km (0.117 R)
• M19: 27,519,426 km (0.111 R)
• M20: 32,874,581 km (0.092 R)
• M21: 42,077,842 km (0.043 R)
• M22: 42,626,567 km (0.038 R)
• M23: 43,180,079 km (0.087 R)
• M24: 44,442,984 km (0.08 R)
• M25: 48,528,951 km (0.099 R)
• M26: 50,662,815 km (0.104 R)
• M27: 51,128,064 km (0.08 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 15,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit