🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.2

Radius: 8.4

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.64 AU - 0.78 AU

Year: 406 Days

Day: 6.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,425,559 km

• M1: 104,569 km (0.098 R)
• M2: 403,615 km (0.025 R)
• M3: 743,352 km (0.054 R)
• M4: 1,083,687 km (0.039 R)
• M5: 1,457,981 km (0.118 R)
• M6: 1,813,874 km (0.12 R)
• M7: 2,303,358 km (0.089 R)
• M8: 2,808,999 km (0.106 R)
• M9: 3,364,456 km (0.032 R)
• M10: 4,234,069 km (0.079 R)
• M11: 4,735,670 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 8.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.72 AU - 0.9 AU

Year: 494 Days

Day: 10 Hours

Environment

Temp: -162 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,425,559 km

• M1: 104,419 km (0.111 R)
• M2: 428,299 km (0.114 R)
• M3: 756,666 km (0.111 R)
• M4: 1,047,933 km (0.119 R)
• M5: 1,327,382 km (0.048 R)
• M6: 1,597,256 km (0.065 R)
• M7: 1,979,479 km (0.084 R)
• M8: 2,242,472 km (0.101 R)
• M9: 2,979,391 km (0.108 R)
• M10: 3,505,078 km (0.052 R)
• M11: 3,893,135 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.1

Radius: 8.4

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.09 AU - 1.73 AU

Year: 1136 Days

Day: 6.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,425,559 km

• M1: 104,419 km (0.075 R)
• M2: 439,519 km (0.052 R)
• M3: 737,518 km (0.11 R)
• M4: 1,153,100 km (0.082 R)
• M5: 1,619,846 km (0.11 R)
• M6: 1,973,346 km (0.115 R)
• M7: 2,424,981 km (0.111 R)
• M8: 2,784,914 km (0.077 R)
• M9: 3,675,320 km (0.05 R)
• M10: 4,016,404 km (0.102 R)
• M11: 4,650,549 km (0.11 R)
• M12: 6,297,472 km (0.059 R)
• M13: 7,378,317 km (0.054 R)
• M14: 8,110,299 km (0.087 R)
• M15: 9,121,730 km (0.096 R)
• M16: 11,023,717 km (0.092 R)
• M17: 11,325,008 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.5

Radius: 13.1

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.77 AU - 3.43 AU

Year: 3702 Days

Day: 13.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,425,559 km

• M1: 163,211 km (0.106 R)
• M2: 704,008 km (0.06 R)
• M3: 1,179,878 km (0.112 R)
• M4: 1,982,770 km (0.069 R)
• M5: 2,603,003 km (0.084 R)
• M6: 3,025,318 km (0.065 R)
• M7: 3,679,509 km (0.074 R)
• M8: 4,091,651 km (0.111 R)
• M9: 4,940,170 km (0.064 R)
• M10: 6,869,983 km (0.066 R)
• M11: 8,166,847 km (0.092 R)
• M12: 9,879,294 km (0.088 R)
• M13: 10,959,390 km (0.085 R)
• M14: 12,159,465 km (0.1 R)
• M15: 13,081,885 km (0.096 R)
• M16: 13,629,563 km (0.107 R)
• M17: 16,654,432 km (0.117 R)
• M18: 17,791,974 km (0.086 R)
• M19: 18,408,168 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497

Radius: 13.7

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.96 AU - 4.38 AU

Year: 4769 Days

Day: 7.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,425,559 km

• M1: 170,841 km (0.095 R)
• M2: 781,350 km (0.038 R)
• M3: 2,305,453 km (0.069 R)
• M4: 3,474,560 km (0.068 R)
• M5: 4,015,057 km (0.105 R)
• M6: 4,906,361 km (0.098 R)
• M7: 6,186,770 km (0.098 R)
• M8: 8,750,727 km (0.104 R)
• M9: 9,919,236 km (0.102 R)
• M10: 11,726,827 km (0.096 R)
• M11: 12,901,919 km (0.109 R)
• M12: 14,571,581 km (0.097 R)
• M13: 17,369,958 km (0.116 R)
• M14: 17,969,846 km (0.115 R)
• M15: 21,179,468 km (0.084 R)
• M16: 25,055,699 km (0.115 R)
• M17: 25,744,896 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.8

Radius: 10.6

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.25 AU - 4.69 AU

Year: 6410 Days

Day: 9.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 45,425,559 km

• M1: 131,945 km (0.098 R)
• M2: 580,141 km (0.117 R)
• M3: 1,054,515 km (0.102 R)
• M4: 1,664,127 km (0.091 R)
• M5: 2,249,653 km (0.095 R)
• M6: 2,872,728 km (0.091 R)
• M7: 3,266,470 km (0.073 R)
• M8: 4,386,808 km (0.079 R)
• M9: 4,938,824 km (0.103 R)
• M10: 5,961,625 km (0.095 R)
• M11: 6,808,797 km (0.057 R)
• M12: 9,276,863 km (0.049 R)
• M13: 10,367,880 km (0.103 R)
• M14: 12,036,345 km (0.042 R)
• M15: 13,712,290 km (0.066 R)
• M16: 14,778,026 km (0.058 R)
• M17: 15,479,041 km (0.096 R)
• M18: 21,021,942 km (0.104 R)
• M19: 21,983,706 km (0.115 R)
• M20: 27,760,578 km (0.107 R)
• M21: 28,647,992 km (0.109 R)
• M22: 30,385,871 km (0.1 R)
• M23: 31,903,092 km (0.053 R)
• M24: 32,876,526 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.3

Radius: 5.5

Gravity: 23.78 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.01 AU - 6.15 AU

Year: 10168 Days

Day: 19.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 45,425,559 km

• M1: 68,965 km (0.092 R)
• M2: 379,829 km (0.078 R)
• M3: 933,042 km (0.115 R)
• M4: 1,293,274 km (0.036 R)
• M5: 1,505,852 km (0.081 R)
• M6: 1,710,951 km (0.063 R)
• M7: 2,177,696 km (0.1 R)
• M8: 2,520,126 km (0.105 R)
• M9: 3,146,642 km (0.117 R)
• M10: 3,952,675 km (0.116 R)
• M11: 4,287,774 km (0.079 R)
• M12: 4,888,260 km (0.088 R)
• M13: 5,785,698 km (0.079 R)
• M14: 7,351,239 km (0.09 R)
• M15: 8,661,866 km (0.065 R)
• M16: 11,016,836 km (0.106 R)
• M17: 11,456,205 km (0.116 R)
• M18: 17,233,675 km (0.12 R)
• M19: 17,602,134 km (0.104 R)
• M20: 17,825,633 km (0.112 R)
• M21: 18,661,437 km (0.077 R)
• M22: 26,602,690 km (0.119 R)
• M23: 26,995,833 km (0.087 R)
• M24: 27,793,639 km (0.073 R)
• M25: 27,995,446 km (0.044 R)
• M26: 28,504,378 km (0.074 R)
• M27: 28,812,849 km (0.118 R)
• M28: 33,252,764 km (0.089 R)
• M29: 35,338,159 km (0.094 R)
• M30: 37,879,677 km (0.117 R)
• M31: 40,540,275 km (0.056 R)
• M32: 41,060,726 km (0.113 R)
• M33: 46,941,119 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 263.6

Radius: 4

Gravity: 16.48 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.52 AU - 8.44 AU

Year: 12508 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 45,425,559 km

• M1: 49,966 km (0.119 R)
• M2: 180,864 km (0.034 R)
• M3: 318,344 km (0.11 R)
• M4: 498,011 km (0.114 R)
• M5: 946,655 km (0.1 R)
• M6: 1,489,247 km (0.116 R)
• M7: 1,812,827 km (0.108 R)
• M8: 2,164,382 km (0.113 R)
• M9: 2,522,220 km (0.113 R)
• M10: 2,675,857 km (0.117 R)
• M11: 2,897,412 km (0.118 R)
• M12: 3,023,373 km (0.115 R)
• M13: 3,196,906 km (0.03 R)
• M14: 4,140,420 km (0.072 R)
• M15: 4,690,043 km (0.075 R)
• M16: 4,864,025 km (0.112 R)
• M17: 5,966,262 km (0.089 R)
• M18: 6,557,473 km (0.053 R)
• M19: 8,018,745 km (0.117 R)
• M20: 8,694,179 km (0.088 R)
• M21: 8,957,023 km (0.106 R)
• M22: 9,544,643 km (0.084 R)
• M23: 9,730,444 km (0.095 R)
• M24: 12,537,199 km (0.113 R)
• M25: 13,387,065 km (0.049 R)
• M26: 13,914,996 km (0.117 R)
• M27: 15,454,208 km (0.112 R)
• M28: 15,839,871 km (0.1 R)
• M29: 16,630,346 km (0.062 R)
• M30: 17,103,375 km (0.073 R)
• M31: 18,504,359 km (0.117 R)
• M32: 26,121,733 km (0.12 R)
• M33: 29,224,842 km (0.056 R)
• M34: 30,012,325 km (0.051 R)
• M35: 31,118,302 km (0.077 R)
• M36: 33,091,947 km (0.109 R)
• M37: 34,707,903 km (0.08 R)
• M38: 35,257,974 km (0.096 R)
• M39: 37,286,521 km (0.03 R)
• M40: 37,632,092 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.5

Radius: 4.8

Gravity: 16.04 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 5.31 AU - 8.69 AU

Year: 12561 Days

Day: 20.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,425,559 km

• M1: 76,594 km (0.109 R)
• M2: 263,442 km (0.116 R)
• M3: 473,926 km (0.098 R)
• M4: 1,236,277 km (0.109 R)
• M5: 1,988,156 km (0.081 R)
• M6: 3,396,769 km (0.098 R)
• M7: 3,566,862 km (0.113 R)
• M8: 4,680,169 km (0.057 R)
• M9: 4,952,438 km (0.091 R)
• M10: 7,607,501 km (0.058 R)
• M11: 8,069,459 km (0.073 R)
• M12: 8,549,818 km (0.074 R)
• M13: 12,575,945 km (0.05 R)
• M14: 16,091,645 km (0.116 R)
• M15: 16,296,594 km (0.106 R)
• M16: 22,940,385 km (0.113 R)
• M17: 24,618,274 km (0.114 R)
• M18: 27,237,284 km (0.076 R)
• M19: 30,660,084 km (0.059 R)
• M20: 38,465,951 km (0.079 R)
• M21: 38,955,286 km (0.103 R)
• M22: 44,748,463 km (0.116 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 11,835 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit