🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.2

Radius: 14.6

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.95 AU - 1.37 AU

Year: 820 Days

Day: 11.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,551,715 km

• M1: 181,612 km (0.113 R)
• M2: 685,308 km (0.119 R)
• M3: 1,305,541 km (0.044 R)
• M4: 2,187,570 km (0.071 R)
• M5: 3,177,758 km (0.081 R)
• M6: 3,805,171 km (0.109 R)
• M7: 4,563,932 km (0.042 R)
• M8: 5,440,426 km (0.102 R)
• M9: 6,510,350 km (0.086 R)
• M10: 7,208,224 km (0.094 R)
• M11: 7,883,209 km (0.118 R)
• M12: 8,423,108 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.9

Radius: 13.8

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.53 AU - 1.55 AU

Year: 1254 Days

Day: 8.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,551,715 km

• M1: 175,179 km (0.093 R)
• M2: 680,371 km (0.112 R)
• M3: 1,311,076 km (0.102 R)
• M4: 1,758,673 km (0.1 R)
• M5: 2,195,498 km (0.049 R)
• M6: 3,028,908 km (0.107 R)
• M7: 5,172,646 km (0.073 R)
• M8: 6,024,306 km (0.116 R)
• M9: 6,717,244 km (0.097 R)
• M10: 7,511,309 km (0.086 R)
• M11: 8,604,271 km (0.047 R)
• M12: 9,230,937 km (0.114 R)
• M13: 9,684,817 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.3

Radius: 12.5

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.32 AU - 2.12 AU

Year: 1480 Days

Day: 6 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,551,715 km

• M1: 156,779 km (0.107 R)
• M2: 611,406 km (0.107 R)
• M3: 1,359,396 km (0.078 R)
• M4: 1,753,736 km (0.077 R)
• M5: 3,384,502 km (0.053 R)
• M6: 3,820,430 km (0.079 R)
• M7: 4,786,085 km (0.057 R)
• M8: 5,293,969 km (0.114 R)
• M9: 6,518,727 km (0.101 R)
• M10: 12,193,423 km (0.089 R)
• M11: 12,982,552 km (0.083 R)
• M12: 13,847,377 km (0.107 R)
• M13: 14,445,170 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.2

Radius: 15

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.7 AU - 2.04 AU

Year: 1678 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,551,715 km

• M1: 186,549 km (0.098 R)
• M2: 679,324 km (0.116 R)
• M3: 1,581,399 km (0.055 R)
• M4: 2,336,719 km (0.103 R)
• M5: 3,579,279 km (0.109 R)
• M6: 4,894,394 km (0.103 R)
• M7: 5,420,080 km (0.119 R)
• M8: 6,838,418 km (0.09 R)
• M9: 8,170,587 km (0.112 R)
• M10: 8,671,291 km (0.117 R)
• M11: 9,540,903 km (0.077 R)
• M12: 10,298,168 km (0.066 R)
• M13: 10,778,527 km (0.117 R)
• M14: 11,345,802 km (0.079 R)
• M15: 12,969,986 km (0.103 R)
• M16: 13,735,179 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.6

Radius: 12.6

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.74 AU - 3 AU

Year: 3190 Days

Day: 11.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,551,715 km

• M1: 156,629 km (0.065 R)
• M2: 550,371 km (0.065 R)
• M3: 1,136,944 km (0.106 R)
• M4: 1,548,488 km (0.107 R)
• M5: 1,957,787 km (0.066 R)
• M6: 2,917,009 km (0.12 R)
• M7: 3,380,164 km (0.08 R)
• M8: 4,853,853 km (0.043 R)
• M9: 5,614,258 km (0.042 R)
• M10: 6,135,906 km (0.073 R)
• M11: 6,570,338 km (0.08 R)
• M12: 7,340,468 km (0.031 R)
• M13: 11,376,768 km (0.094 R)
• M14: 13,140,527 km (0.106 R)
• M15: 16,530,266 km (0.113 R)
• M16: 17,432,490 km (0.102 R)
• M17: 20,656,324 km (0.104 R)
• M18: 21,570,218 km (0.088 R)
• M19: 22,374,905 km (0.096 R)
• M20: 22,784,653 km (0.07 R)
• M21: 23,269,051 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.4

Radius: 14.5

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.88 AU - 2.92 AU

Year: 3240 Days

Day: 14.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,551,715 km

• M1: 180,565 km (0.078 R)
• M2: 765,492 km (0.036 R)
• M3: 1,678,189 km (0.086 R)
• M4: 2,541,518 km (0.106 R)
• M5: 3,476,804 km (0.083 R)
• M6: 4,192,331 km (0.062 R)
• M7: 4,956,776 km (0.109 R)
• M8: 5,602,739 km (0.046 R)
• M9: 7,248,166 km (0.12 R)
• M10: 7,754,406 km (0.12 R)
• M11: 8,250,323 km (0.078 R)
• M12: 10,020,514 km (0.105 R)
• M13: 10,490,251 km (0.103 R)
• M14: 13,342,933 km (0.067 R)
• M15: 14,154,502 km (0.112 R)
• M16: 14,696,944 km (0.11 R)
• M17: 16,408,194 km (0.059 R)
• M18: 17,228,588 km (0.084 R)
• M19: 18,715,142 km (0.118 R)
• M20: 19,429,472 km (0.118 R)
• M21: 20,976,165 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.2

Radius: 5.2

Gravity: 14.8 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.48 AU - 9.84 AU

Year: 16718 Days

Day: 23.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,551,715 km

• M1: 65,524 km (0.078 R)
• M2: 463,753 km (0.066 R)
• M3: 805,734 km (0.083 R)
• M4: 1,211,743 km (0.117 R)
• M5: 1,425,518 km (0.1 R)
• M6: 1,728,005 km (0.117 R)
• M7: 2,586,996 km (0.08 R)
• M8: 4,673,437 km (0.082 R)
• M9: 5,236,524 km (0.117 R)
• M10: 7,901,012 km (0.101 R)
• M11: 8,893,145 km (0.034 R)
• M12: 9,651,007 km (0.092 R)
• M13: 12,798,995 km (0.089 R)
• M14: 13,566,582 km (0.04 R)
• M15: 14,706,069 km (0.073 R)
• M16: 14,983,274 km (0.105 R)
• M17: 16,126,650 km (0.04 R)
• M18: 21,372,449 km (0.101 R)
• M19: 21,907,262 km (0.11 R)
• M20: 24,716,411 km (0.106 R)
• M21: 26,004,897 km (0.111 R)
• M22: 26,308,431 km (0.111 R)
• M23: 27,026,052 km (0.119 R)
• M24: 27,546,503 km (0.095 R)
• M25: 31,838,017 km (0.093 R)
• M26: 33,720,407 km (0.081 R)
• M27: 40,348,790 km (0.051 R)
• M28: 45,854,291 km (0.11 R)
• M29: 46,743,351 km (0.057 R)
• M30: 48,403,139 km (0.113 R)
• M31: 51,680,080 km (0.081 R)
• M32: 52,642,892 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.3

Radius: 5.8

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.37 AU - 10.77 AU

Year: 17919 Days

Day: 21.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,551,715 km

• M1: 72,854 km (0.114 R)
• M2: 376,837 km (0.03 R)
• M3: 687,253 km (0.118 R)
• M4: 881,131 km (0.076 R)
• M5: 1,078,152 km (0.077 R)
• M6: 1,549,086 km (0.071 R)
• M7: 2,006,855 km (0.117 R)
• M8: 3,633,134 km (0.08 R)
• M9: 4,007,727 km (0.106 R)
• M10: 6,277,875 km (0.079 R)
• M11: 10,560,114 km (0.025 R)
• M12: 13,826,882 km (0.078 R)
• M13: 14,539,267 km (0.1 R)
• M14: 18,012,332 km (0.063 R)
• M15: 19,656,562 km (0.079 R)
• M16: 20,062,271 km (0.117 R)
• M17: 25,954,183 km (0.063 R)
• M18: 26,442,471 km (0.069 R)
• M19: 33,016,848 km (0.108 R)
• M20: 38,291,520 km (0.104 R)
• M21: 39,051,627 km (0.104 R)
• M22: 42,462,159 km (0.117 R)
• M23: 48,824,855 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.4

Radius: 6

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.39 AU - 10.39 AU

Year: 18876 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,551,715 km

• M1: 74,649 km (0.102 R)
• M2: 430,842 km (0.104 R)
• M3: 866,022 km (0.106 R)
• M4: 1,111,512 km (0.089 R)
• M5: 2,811,692 km (0.07 R)
• M6: 4,345,818 km (0.107 R)
• M7: 4,746,890 km (0.039 R)
• M8: 6,328,140 km (0.083 R)
• M9: 8,796,504 km (0.077 R)
• M10: 9,900,237 km (0.097 R)
• M11: 10,431,160 km (0.087 R)
• M12: 11,550,003 km (0.043 R)
• M13: 11,841,719 km (0.053 R)
• M14: 12,561,883 km (0.119 R)
• M15: 16,167,640 km (0.088 R)
• M16: 17,508,037 km (0.117 R)
• M17: 23,988,767 km (0.063 R)
• M18: 28,387,393 km (0.09 R)
• M19: 30,442,419 km (0.117 R)
• M20: 38,479,265 km (0.083 R)
• M21: 44,176,999 km (0.092 R)
• M22: 48,122,045 km (0.085 R)
• M23: 49,794,399 km (0.111 R)
• M24: 50,722,804 km (0.083 R)
• M25: 51,347,973 km (0.057 R)
• M26: 51,662,577 km (0.109 R)
• M27: 54,225,488 km (0.087 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 18,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit