🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.47 AU - 0.61 AU

Year: 260 Days

Day: 39.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.3

Radius: 8.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.56 AU - 0.9 AU

Year: 409 Days

Day: 13.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,585,200 km

• M1: 107,411 km (0.111 R)
• M2: 274,362 km (0.054 R)
• M3: 486,791 km (0.112 R)
• M4: 650,302 km (0.116 R)
• M5: 864,676 km (0.095 R)
• M6: 1,036,564 km (0.119 R)
• M7: 1,237,623 km (0.046 R)
• M8: 1,534,725 km (0.09 R)
• M9: 1,767,349 km (0.073 R)
• M10: 2,088,087 km (0.091 R)
• M11: 2,437,099 km (0.085 R)
• M12: 3,001,382 km (0.076 R)
• M13: 3,348,449 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.5

Radius: 13.4

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.85 AU - 1.13 AU

Year: 646 Days

Day: 5.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,585,200 km

• M1: 166,652 km (0.072 R)
• M2: 467,942 km (0.069 R)
• M3: 720,015 km (0.081 R)
• M4: 1,001,707 km (0.102 R)
• M5: 1,335,161 km (0.072 R)
• M6: 1,669,363 km (0.112 R)
• M7: 1,932,804 km (0.06 R)
• M8: 2,217,340 km (0.103 R)
• M9: 3,017,239 km (0.083 R)
• M10: 3,355,929 km (0.109 R)
• M11: 4,235,415 km (0.054 R)
• M12: 4,486,440 km (0.111 R)
• M13: 4,840,837 km (0.118 R)
• M14: 5,184,314 km (0.119 R)
• M15: 5,475,432 km (0.102 R)
• M16: 5,974,490 km (0.084 R)
• M17: 6,246,160 km (0.117 R)
• M18: 7,054,587 km (0.097 R)
• M19: 7,365,002 km (0.115 R)
• M20: 7,774,452 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.8

Radius: 14.8

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.17 AU - 1.63 AU

Year: 1087 Days

Day: 7.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,585,200 km

• M1: 184,155 km (0.048 R)
• M2: 554,260 km (0.111 R)
• M3: 988,842 km (0.116 R)
• M4: 1,284,896 km (0.113 R)
• M5: 2,187,719 km (0.029 R)
• M6: 2,507,111 km (0.072 R)
• M7: 3,098,920 km (0.062 R)
• M8: 3,381,061 km (0.066 R)
• M9: 4,032,859 km (0.042 R)
• M10: 4,561,389 km (0.09 R)
• M11: 4,865,372 km (0.086 R)
• M12: 5,151,702 km (0.087 R)
• M13: 5,517,917 km (0.063 R)
• M14: 5,808,586 km (0.093 R)
• M15: 6,167,471 km (0.114 R)
• M16: 6,506,161 km (0.098 R)
• M17: 6,854,275 km (0.105 R)
• M18: 7,244,726 km (0.111 R)
• M19: 7,954,568 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.8

Radius: 10.7

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.1 AU - 2.54 AU

Year: 2318 Days

Day: 13.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,585,200 km

• M1: 138,079 km (0.071 R)
• M2: 475,572 km (0.087 R)
• M3: 746,643 km (0.097 R)
• M4: 1,070,223 km (0.101 R)
• M5: 1,694,794 km (0.117 R)
• M6: 2,030,043 km (0.045 R)
• M7: 2,293,186 km (0.115 R)
• M8: 2,769,655 km (0.064 R)
• M9: 3,614,135 km (0.11 R)
• M10: 3,984,838 km (0.069 R)
• M11: 4,301,986 km (0.065 R)
• M12: 5,071,218 km (0.09 R)
• M13: 5,348,872 km (0.079 R)
• M14: 5,842,395 km (0.107 R)
• M15: 6,737,140 km (0.119 R)
• M16: 7,267,614 km (0.101 R)
• M17: 9,166,011 km (0.086 R)
• M18: 9,729,995 km (0.039 R)
• M19: 10,254,934 km (0.056 R)
• M20: 10,565,350 km (0.109 R)
• M21: 10,967,020 km (0.03 R)
• M22: 11,288,057 km (0.117 R)
• M23: 11,883,606 km (0.117 R)
• M24: 12,279,143 km (0.111 R)
• M25: 14,222,120 km (0.056 R)
• M26: 15,747,869 km (0.108 R)
• M27: 17,242,651 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.1

Radius: 10.4

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.56 AU - 3.28 AU

Year: 3273 Days

Day: 12.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,585,200 km

• M1: 148,251 km (0.072 R)
• M2: 727,494 km (0.112 R)
• M3: 933,640 km (0.109 R)
• M4: 1,310,029 km (0.048 R)
• M5: 1,525,300 km (0.031 R)
• M6: 1,782,907 km (0.059 R)
• M7: 2,102,000 km (0.078 R)
• M8: 2,809,298 km (0.118 R)
• M9: 3,363,409 km (0.095 R)
• M10: 3,731,868 km (0.042 R)
• M11: 4,488,385 km (0.12 R)
• M12: 5,060,746 km (0.111 R)
• M13: 5,848,678 km (0.079 R)
• M14: 6,622,099 km (0.073 R)
• M15: 6,890,777 km (0.083 R)
• M16: 7,521,781 km (0.052 R)
• M17: 8,261,991 km (0.075 R)
• M18: 9,294,067 km (0.095 R)
• M19: 10,848,987 km (0.118 R)
• M20: 12,828,017 km (0.038 R)
• M21: 13,237,168 km (0.083 R)
• M22: 13,687,607 km (0.091 R)
• M23: 16,550,162 km (0.087 R)
• M24: 17,525,690 km (0.104 R)
• M25: 18,815,373 km (0.101 R)
• M26: 20,707,038 km (0.118 R)
• M27: 21,009,375 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.5

Radius: 8.8

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.76 AU - 3.9 AU

Year: 3986 Days

Day: 14 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 46,585,200 km

• M1: 132,693 km (0.114 R)
• M2: 731,384 km (0.078 R)
• M3: 985,850 km (0.112 R)
• M4: 1,305,989 km (0.076 R)
• M5: 2,439,044 km (0.066 R)
• M6: 3,334,985 km (0.032 R)
• M7: 3,827,611 km (0.062 R)
• M8: 4,026,427 km (0.065 R)
• M9: 4,313,355 km (0.098 R)
• M10: 4,829,019 km (0.073 R)
• M11: 5,682,326 km (0.118 R)
• M12: 5,925,123 km (0.101 R)
• M13: 6,658,601 km (0.103 R)
• M14: 7,601,666 km (0.052 R)
• M15: 7,769,665 km (0.113 R)
• M16: 8,111,346 km (0.057 R)
• M17: 8,285,029 km (0.12 R)
• M18: 8,578,540 km (0.079 R)
• M19: 9,150,453 km (0.074 R)
• M20: 9,867,924 km (0.11 R)
• M21: 10,059,559 km (0.12 R)
• M22: 10,350,527 km (0.119 R)
• M23: 11,384,847 km (0.086 R)
• M24: 12,078,532 km (0.11 R)
• M25: 12,468,983 km (0.115 R)
• M26: 13,715,133 km (0.077 R)
• M27: 14,093,017 km (0.1 R)
• M28: 14,322,351 km (0.073 R)
• M29: 15,139,305 km (0.091 R)
• M30: 15,337,222 km (0.064 R)
• M31: 15,979,147 km (0.056 R)
• M32: 18,156,993 km (0.114 R)
• M33: 18,330,377 km (0.097 R)
• M34: 18,899,297 km (0.056 R)
• M35: 19,521,924 km (0.049 R)
• M36: 22,545,446 km (0.029 R)
• M37: 22,932,606 km (0.112 R)
• M38: 23,816,131 km (0.079 R)
• M39: 24,064,463 km (0.108 R)
• M40: 25,325,723 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.9

Radius: 9.9

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.19 AU - 4.33 AU

Year: 5768 Days

Day: 12 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,585,200 km

• M1: 123,418 km (0.109 R)
• M2: 369,357 km (0.118 R)
• M3: 721,959 km (0.074 R)
• M4: 1,119,740 km (0.095 R)
• M5: 1,343,389 km (0.112 R)
• M6: 1,812,079 km (0.105 R)
• M7: 2,001,320 km (0.026 R)
• M8: 2,304,106 km (0.062 R)
• M9: 2,781,324 km (0.032 R)
• M10: 3,222,039 km (0.042 R)
• M11: 3,541,879 km (0.086 R)
• M12: 4,062,779 km (0.103 R)
• M13: 4,545,681 km (0.085 R)
• M14: 4,952,138 km (0.109 R)
• M15: 6,278,772 km (0.107 R)
• M16: 7,095,726 km (0.116 R)
• M17: 8,535,905 km (0.069 R)
• M18: 8,777,505 km (0.102 R)
• M19: 11,341,763 km (0.106 R)
• M20: 11,741,039 km (0.12 R)
• M21: 12,685,750 km (0.102 R)
• M22: 13,450,793 km (0.114 R)
• M23: 15,048,798 km (0.093 R)
• M24: 15,881,609 km (0.079 R)
• M25: 18,617,455 km (0.106 R)
• M26: 21,517,559 km (0.072 R)
• M27: 22,456,585 km (0.117 R)
• M28: 22,905,528 km (0.091 R)
• M29: 27,269,597 km (0.055 R)
• M30: 28,138,312 km (0.112 R)
• M31: 28,388,889 km (0.068 R)
• M32: 30,891,661 km (0.038 R)
• M33: 32,956,860 km (0.075 R)
• M34: 33,432,431 km (0.119 R)
• M35: 34,186,704 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.8

Radius: 12.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.39 AU - 5.73 AU

Year: 8600 Days

Day: 10 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,585,200 km

• M1: 175,030 km (0.104 R)
• M2: 779,555 km (0.061 R)
• M3: 1,958,984 km (0.089 R)
• M4: 3,390,785 km (0.094 R)
• M5: 4,201,157 km (0.116 R)
• M6: 4,782,943 km (0.061 R)
• M7: 5,917,045 km (0.111 R)
• M8: 6,242,420 km (0.094 R)
• M9: 7,110,836 km (0.088 R)
• M10: 7,402,402 km (0.054 R)
• M11: 7,666,442 km (0.085 R)
• M12: 8,140,069 km (0.068 R)
• M13: 8,913,340 km (0.065 R)
• M14: 9,610,167 km (0.08 R)
• M15: 9,873,459 km (0.106 R)
• M16: 11,366,596 km (0.06 R)
• M17: 11,653,225 km (0.074 R)
• M18: 15,233,551 km (0.068 R)
• M19: 16,192,174 km (0.087 R)
• M20: 18,665,626 km (0.099 R)
• M21: 19,139,252 km (0.062 R)
• M22: 19,458,345 km (0.031 R)
• M23: 25,901,974 km (0.089 R)
• M24: 26,335,359 km (0.109 R)
• M25: 28,427,784 km (0.103 R)
• M26: 29,339,733 km (0.091 R)
• M27: 31,071,777 km (0.063 R)
• M28: 31,751,101 km (0.111 R)
• M29: 32,368,940 km (0.112 R)
• M30: 33,202,051 km (0.094 R)
• M31: 34,400,479 km (0.108 R)
• M32: 36,055,780 km (0.111 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.8

Radius: 9.4

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.89 AU - 6.69 AU

Year: 9140 Days

Day: 14.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,585,200 km

• M1: 202,855 km (0.108 R)
• M2: 378,333 km (0.112 R)
• M3: 600,336 km (0.078 R)
• M4: 2,127,282 km (0.115 R)
• M5: 3,044,466 km (0.114 R)
• M6: 3,306,711 km (0.064 R)
• M7: 3,998,003 km (0.116 R)
• M8: 5,269,735 km (0.078 R)
• M9: 5,841,797 km (0.104 R)
• M10: 6,409,820 km (0.108 R)
• M11: 7,477,650 km (0.057 R)
• M12: 8,274,857 km (0.059 R)
• M13: 9,195,183 km (0.074 R)
• M14: 10,381,793 km (0.113 R)
• M15: 12,924,658 km (0.1 R)
• M16: 15,267,510 km (0.065 R)
• M17: 16,402,359 km (0.115 R)
• M18: 21,921,025 km (0.076 R)
• M19: 23,147,279 km (0.081 R)
• M20: 24,474,511 km (0.066 R)
• M21: 24,676,767 km (0.097 R)
• M22: 25,083,823 km (0.099 R)
• M23: 28,897,970 km (0.07 R)
• M24: 36,676,760 km (0.05 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 18,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit