🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.9

Radius: 14.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.45 AU - 0.69 AU

Year: 292 Days

Day: 11.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 72,287,487 km

• M1: 176,825 km (0.059 R)
• M2: 679,474 km (0.081 R)
• M3: 1,140,085 km (0.046 R)
• M4: 3,558,634 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.3

Radius: 10.4

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.34 AU - 1.9 AU

Year: 1399 Days

Day: 6.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 124.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,287,487 km

• M1: 129,402 km (0.114 R)
• M2: 592,108 km (0.098 R)
• M3: 1,102,536 km (0.098 R)
• M4: 1,450,651 km (0.091 R)
• M5: 1,969,606 km (0.107 R)
• M6: 2,303,807 km (0.084 R)
• M7: 3,088,897 km (0.112 R)
• M8: 3,429,980 km (0.116 R)
• M9: 4,687,948 km (0.028 R)
• M10: 5,204,809 km (0.053 R)
• M11: 6,451,259 km (0.106 R)
• M12: 6,830,489 km (0.059 R)
• M13: 7,197,752 km (0.066 R)
• M14: 8,409,495 km (0.081 R)
• M15: 8,770,774 km (0.115 R)
• M16: 9,460,121 km (0.119 R)
• M17: 11,450,969 km (0.076 R)
• M18: 12,700,859 km (0.056 R)
• M19: 13,542,198 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.8

Radius: 9.3

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.76 AU - 2.58 AU

Year: 2168 Days

Day: 5.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,287,487 km

• M1: 115,639 km (0.117 R)
• M2: 437,723 km (0.115 R)
• M3: 742,005 km (0.115 R)
• M4: 1,062,145 km (0.06 R)
• M5: 2,385,787 km (0.116 R)
• M6: 2,886,042 km (0.045 R)
• M7: 3,630,591 km (0.093 R)
• M8: 4,194,425 km (0.103 R)
• M9: 4,991,333 km (0.105 R)
• M10: 5,520,610 km (0.073 R)
• M11: 6,061,556 km (0.109 R)
• M12: 6,530,097 km (0.104 R)
• M13: 7,249,363 km (0.118 R)
• M14: 8,112,842 km (0.115 R)
• M15: 10,150,964 km (0.071 R)
• M16: 10,662,887 km (0.058 R)
• M17: 11,580,670 km (0.11 R)
• M18: 14,466,862 km (0.09 R)
• M19: 15,304,461 km (0.081 R)
• M20: 16,124,855 km (0.118 R)
• M21: 17,229,636 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.3

Radius: 9.1

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.73 AU - 2.81 AU

Year: 2320 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 169.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,287,487 km

• M1: 113,246 km (0.029 R)
• M2: 419,024 km (0.089 R)
• M3: 819,198 km (0.049 R)
• M4: 1,125,724 km (0.118 R)
• M5: 1,462,469 km (0.057 R)
• M6: 1,847,982 km (0.103 R)
• M7: 2,311,586 km (0.075 R)
• M8: 2,642,497 km (0.109 R)
• M9: 2,992,107 km (0.116 R)
• M10: 3,288,311 km (0.081 R)
• M11: 4,764,991 km (0.096 R)
• M12: 5,539,908 km (0.056 R)
• M13: 6,136,953 km (0.078 R)
• M14: 6,891,076 km (0.075 R)
• M15: 7,459,548 km (0.061 R)
• M16: 8,265,731 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.3

Radius: 14.9

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.55 AU - 4.45 AU

Year: 5426 Days

Day: 10 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,287,487 km

• M1: 187,745 km (0.087 R)
• M2: 974,780 km (0.118 R)
• M3: 1,547,440 km (0.097 R)
• M4: 2,065,647 km (0.072 R)
• M5: 2,987,021 km (0.109 R)
• M6: 3,826,564 km (0.12 R)
• M7: 4,626,464 km (0.119 R)
• M8: 5,245,949 km (0.073 R)
• M9: 9,027,184 km (0.098 R)
• M10: 10,038,915 km (0.091 R)
• M11: 11,082,061 km (0.082 R)
• M12: 11,741,787 km (0.077 R)
• M13: 15,933,370 km (0.119 R)
• M14: 17,704,908 km (0.12 R)
• M15: 21,032,862 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.6

Radius: 12.7

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.66 AU - 4.6 AU

Year: 5693 Days

Day: 9.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,287,487 km

• M1: 165,156 km (0.108 R)
• M2: 600,635 km (0.102 R)
• M3: 1,167,013 km (0.1 R)
• M4: 1,795,474 km (0.113 R)
• M5: 2,595,673 km (0.078 R)
• M6: 3,779,441 km (0.086 R)
• M7: 4,414,783 km (0.108 R)
• M8: 5,764,455 km (0.11 R)
• M9: 6,318,266 km (0.108 R)
• M10: 6,786,807 km (0.067 R)
• M11: 8,402,464 km (0.095 R)
• M12: 9,715,335 km (0.057 R)
• M13: 12,067,611 km (0.115 R)
• M14: 13,979,173 km (0.094 R)
• M15: 16,794,755 km (0.05 R)
• M16: 19,906,689 km (0.063 R)
• M17: 22,563,996 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.2

Radius: 3.7

Gravity: 36.1 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.29 AU - 6.97 AU

Year: 11579 Days

Day: 15.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 72,287,487 km

• M1: 46,375 km (0.105 R)
• M2: 173,234 km (0.06 R)
• M3: 355,744 km (0.072 R)
• M4: 725,550 km (0.048 R)
• M5: 907,461 km (0.049 R)
• M6: 1,108,071 km (0.062 R)
• M7: 1,389,615 km (0.095 R)
• M8: 1,641,837 km (0.105 R)
• M9: 2,182,633 km (0.06 R)
• M10: 3,238,794 km (0.081 R)
• M11: 3,554,595 km (0.068 R)
• M12: 3,707,185 km (0.032 R)
• M13: 3,998,153 km (0.117 R)
• M14: 4,931,494 km (0.116 R)
• M15: 5,549,632 km (0.095 R)
• M16: 5,789,886 km (0.115 R)
• M17: 6,145,032 km (0.032 R)
• M18: 8,142,014 km (0.083 R)
• M19: 11,332,637 km (0.085 R)
• M20: 11,552,546 km (0.082 R)
• M21: 12,812,908 km (0.085 R)
• M22: 13,847,676 km (0.071 R)
• M23: 16,569,759 km (0.078 R)
• M24: 16,995,814 km (0.109 R)
• M25: 17,211,534 km (0.12 R)
• M26: 18,167,764 km (0.104 R)
• M27: 19,945,286 km (0.117 R)
• M28: 24,021,379 km (0.037 R)
• M29: 26,541,505 km (0.08 R)
• M30: 27,419,195 km (0.054 R)
• M31: 32,209,020 km (0.103 R)
• M32: 33,544,331 km (0.101 R)
• M33: 34,340,042 km (0.075 R)
• M34: 34,685,014 km (0.096 R)
• M35: 35,498,528 km (0.103 R)
• M36: 35,615,812 km (0.117 R)
• M37: 36,205,976 km (0.102 R)
• M38: 37,163,851 km (0.115 R)
• M39: 42,868,317 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.4

Radius: 3.2

Gravity: 12.54 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.28 AU - 8.34 AU

Year: 12053 Days

Day: 20.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,287,487 km

• M1: 41,289 km (0.11 R)
• M2: 186,997 km (0.115 R)
• M3: 343,926 km (0.1 R)
• M4: 542,292 km (0.098 R)
• M5: 860,936 km (0.101 R)
• M6: 1,144,873 km (0.113 R)
• M7: 1,511,836 km (0.074 R)
• M8: 2,558,872 km (0.112 R)
• M9: 3,514,503 km (0.071 R)
• M10: 3,690,430 km (0.04 R)
• M11: 3,849,153 km (0.095 R)
• M12: 4,204,448 km (0.115 R)
• M13: 5,666,169 km (0.073 R)
• M14: 6,877,164 km (0.096 R)
• M15: 7,435,014 km (0.049 R)
• M16: 7,909,987 km (0.097 R)
• M17: 10,366,833 km (0.054 R)
• M18: 11,051,991 km (0.048 R)
• M19: 11,477,298 km (0.065 R)
• M20: 13,877,297 km (0.094 R)
• M21: 16,287,169 km (0.094 R)
• M22: 19,366,192 km (0.114 R)
• M23: 24,598,228 km (0.106 R)
• M24: 26,559,905 km (0.103 R)
• M25: 29,784,338 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.2

Radius: 7.9

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.6 AU - 8.32 AU

Year: 12454 Days

Day: 20.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 178.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,287,487 km

• M1: 98,286 km (0.045 R)
• M2: 390,002 km (0.1 R)
• M3: 639,232 km (0.115 R)
• M4: 990,188 km (0.038 R)
• M5: 1,331,870 km (0.051 R)
• M6: 2,218,686 km (0.094 R)
• M7: 3,180,301 km (0.08 R)
• M8: 3,740,844 km (0.059 R)
• M9: 4,159,718 km (0.083 R)
• M10: 4,609,559 km (0.049 R)
• M11: 4,992,380 km (0.097 R)
• M12: 6,307,794 km (0.101 R)
• M13: 7,532,851 km (0.102 R)
• M14: 8,909,301 km (0.103 R)
• M15: 9,253,227 km (0.085 R)
• M16: 10,939,494 km (0.12 R)
• M17: 12,211,375 km (0.082 R)
• M18: 12,513,712 km (0.108 R)
• M19: 12,945,302 km (0.071 R)
• M20: 15,534,243 km (0.057 R)
• M21: 15,961,046 km (0.095 R)
• M22: 16,912,488 km (0.04 R)
• M23: 20,669,190 km (0.097 R)
• M24: 21,185,602 km (0.101 R)
• M25: 24,180,850 km (0.112 R)
• M26: 25,532,766 km (0.077 R)
• M27: 27,138,699 km (0.119 R)
• M28: 28,598,176 km (0.114 R)
• M29: 32,474,556 km (0.091 R)
• M30: 32,822,222 km (0.079 R)
• M31: 34,477,821 km (0.119 R)
• M32: 36,188,323 km (0.069 R)
• M33: 46,617,988 km (0.083 R)
• M34: 47,060,648 km (0.05 R)
• M35: 49,315,686 km (0.056 R)
• M36: 52,592,328 km (0.047 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.5

Radius: 4.4

Gravity: 43.72 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.62 AU - 9.28 AU

Year: 16660 Days

Day: 21.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,287,487 km

• M1: 67,469 km (0.084 R)
• M2: 252,970 km (0.083 R)
• M3: 409,599 km (0.119 R)
• M4: 792,869 km (0.084 R)
• M5: 2,185,774 km (0.111 R)
• M6: 2,674,212 km (0.101 R)
• M7: 3,538,438 km (0.096 R)
• M8: 4,144,759 km (0.096 R)
• M9: 4,439,167 km (0.073 R)
• M10: 11,492,108 km (0.113 R)
• M11: 15,193,609 km (0.098 R)
• M12: 15,579,122 km (0.106 R)
• M13: 20,915,877 km (0.091 R)
• M14: 21,201,160 km (0.11 R)
• M15: 21,392,944 km (0.111 R)
• M16: 25,043,581 km (0.096 R)
• M17: 30,649,911 km (0.113 R)
• M18: 33,547,921 km (0.092 R)
• M19: 40,762,278 km (0.049 R)
• M20: 50,976,522 km (0.061 R)
• M21: 55,753,032 km (0.049 R)
• M22: 62,181,103 km (0.09 R)
• M23: 68,875,458 km (0.086 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 14,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit