🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.9

Radius: 14.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.82 AU - 0.94 AU

Year: 560 Days

Day: 13.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 103.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,714,910 km

• M1: 184,155 km (0.077 R)
• M2: 696,827 km (0.104 R)
• M3: 1,172,698 km (0.094 R)
• M4: 2,368,583 km (0.086 R)
• M5: 2,856,721 km (0.1 R)
• M6: 3,514,204 km (0.111 R)
• M7: 4,040,489 km (0.101 R)
• M8: 4,557,649 km (0.098 R)
• M9: 5,305,040 km (0.083 R)
• M10: 5,817,412 km (0.111 R)
• M11: 6,324,100 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.3

Radius: 14.9

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.05 AU - 1.39 AU

Year: 914 Days

Day: 6.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,714,910 km

• M1: 185,501 km (0.088 R)
• M2: 672,891 km (0.067 R)
• M3: 1,265,000 km (0.1 R)
• M4: 1,747,602 km (0.119 R)
• M5: 2,311,736 km (0.103 R)
• M6: 2,781,324 km (0.058 R)
• M7: 3,247,770 km (0.108 R)
• M8: 4,139,373 km (0.109 R)
• M9: 4,622,275 km (0.085 R)
• M10: 5,220,367 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.8

Radius: 12.6

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1 AU - 1.52 AU

Year: 959 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,714,910 km

• M1: 156,928 km (0.041 R)
• M2: 576,251 km (0.079 R)
• M3: 1,091,017 km (0.077 R)
• M4: 1,589,328 km (0.104 R)
• M5: 1,981,424 km (0.079 R)
• M6: 2,473,900 km (0.062 R)
• M7: 2,968,022 km (0.077 R)
• M8: 3,542,777 km (0.116 R)
• M9: 4,275,058 km (0.103 R)
• M10: 4,787,132 km (0.117 R)
• M11: 5,459,574 km (0.113 R)
• M12: 6,216,091 km (0.115 R)
• M13: 6,828,395 km (0.084 R)
• M14: 8,441,509 km (0.119 R)
• M15: 9,337,450 km (0.08 R)
• M16: 10,703,279 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.3

Radius: 11.7

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.15 AU - 1.49 AU

Year: 1029 Days

Day: 5.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,714,910 km

• M1: 145,559 km (0.057 R)
• M2: 597,494 km (0.102 R)
• M3: 1,031,328 km (0.103 R)
• M4: 1,969,905 km (0.109 R)
• M5: 2,952,015 km (0.087 R)
• M6: 3,731,270 km (0.03 R)
• M7: 4,318,143 km (0.025 R)
• M8: 5,778,367 km (0.036 R)
• M9: 6,302,708 km (0.08 R)
• M10: 6,973,954 km (0.11 R)
• M11: 9,878,995 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.3

Radius: 13.2

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.11 AU - 1.59 AU

Year: 1064 Days

Day: 11 Hours

Environment

Temp: -189 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,714,910 km

• M1: 164,109 km (0.073 R)
• M2: 1,021,155 km (0.092 R)
• M3: 1,711,998 km (0.096 R)
• M4: 2,192,058 km (0.047 R)
• M5: 2,762,325 km (0.064 R)
• M6: 3,229,220 km (0.03 R)
• M7: 3,843,618 km (0.076 R)
• M8: 4,393,839 km (0.083 R)
• M9: 5,015,418 km (0.037 R)
• M10: 5,591,520 km (0.111 R)
• M11: 6,167,172 km (0.117 R)
• M12: 6,853,078 km (0.064 R)
• M13: 7,665,694 km (0.027 R)
• M14: 8,735,768 km (0.09 R)
• M15: 9,307,082 km (0.061 R)
• M16: 11,139,057 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.8

Radius: 13.5

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.22 AU - 3.82 AU

Year: 4479 Days

Day: 11.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,714,910 km

• M1: 168,148 km (0.097 R)
• M2: 594,203 km (0.119 R)
• M3: 1,081,443 km (0.116 R)
• M4: 1,547,889 km (0.101 R)
• M5: 2,493,198 km (0.116 R)
• M6: 3,950,281 km (0.098 R)
• M7: 4,799,698 km (0.065 R)
• M8: 5,650,611 km (0.072 R)
• M9: 6,795,633 km (0.101 R)
• M10: 7,301,722 km (0.078 R)
• M11: 7,760,689 km (0.113 R)
• M12: 8,428,045 km (0.114 R)
• M13: 9,093,307 km (0.113 R)
• M14: 10,048,788 km (0.053 R)
• M15: 15,110,582 km (0.06 R)
• M16: 16,271,312 km (0.033 R)
• M17: 18,380,043 km (0.1 R)
• M18: 19,500,232 km (0.085 R)
• M19: 29,176,222 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.3

Radius: 8

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.56 AU - 5.9 AU

Year: 6977 Days

Day: 11.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,714,910 km

• M1: 125,213 km (0.109 R)
• M2: 676,482 km (0.066 R)
• M3: 953,836 km (0.113 R)
• M4: 1,370,316 km (0.087 R)
• M5: 4,447,694 km (0.116 R)
• M6: 5,123,877 km (0.093 R)
• M7: 6,998,936 km (0.116 R)
• M8: 8,270,219 km (0.087 R)
• M9: 8,827,172 km (0.076 R)
• M10: 9,892,309 km (0.117 R)
• M11: 14,218,679 km (0.116 R)
• M12: 15,790,055 km (0.106 R)
• M13: 18,020,111 km (0.11 R)
• M14: 19,018,826 km (0.099 R)
• M15: 20,518,694 km (0.067 R)
• M16: 21,469,389 km (0.112 R)
• M17: 21,885,720 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 14.5

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.61 AU - 6.51 AU

Year: 8892 Days

Day: 13.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,714,910 km

• M1: 180,415 km (0.097 R)
• M2: 644,617 km (0.114 R)
• M3: 1,112,709 km (0.056 R)
• M4: 1,761,964 km (0.099 R)
• M5: 2,522,071 km (0.104 R)
• M6: 3,012,153 km (0.047 R)
• M7: 3,690,131 km (0.11 R)
• M8: 6,879,856 km (0.102 R)
• M9: 9,092,708 km (0.038 R)
• M10: 9,909,662 km (0.106 R)
• M11: 10,464,072 km (0.072 R)
• M12: 12,025,724 km (0.102 R)
• M13: 13,371,058 km (0.082 R)
• M14: 18,458,133 km (0.079 R)
• M15: 21,388,905 km (0.112 R)
• M16: 22,574,767 km (0.088 R)
• M17: 23,714,703 km (0.089 R)
• M18: 27,267,503 km (0.108 R)
• M19: 30,207,101 km (0.086 R)
• M20: 34,830,274 km (0.049 R)
• M21: 45,453,069 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.3

Radius: 5.3

Gravity: 25.96 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.87 AU - 7.67 AU

Year: 11947 Days

Day: 15.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,714,910 km

• M1: 66,272 km (0.092 R)
• M2: 350,957 km (0.081 R)
• M3: 526,435 km (0.069 R)
• M4: 701,315 km (0.101 R)
• M5: 1,161,478 km (0.113 R)
• M6: 1,394,551 km (0.034 R)
• M7: 2,764,569 km (0.071 R)
• M8: 3,110,140 km (0.107 R)
• M9: 3,641,811 km (0.075 R)
• M10: 5,600,196 km (0.085 R)
• M11: 5,890,715 km (0.101 R)
• M12: 6,229,704 km (0.096 R)
• M13: 6,661,294 km (0.085 R)
• M14: 7,453,714 km (0.028 R)
• M15: 8,781,395 km (0.105 R)
• M16: 13,057,650 km (0.094 R)
• M17: 14,562,904 km (0.098 R)
• M18: 19,766,367 km (0.115 R)
• M19: 20,270,063 km (0.101 R)
• M20: 23,566,901 km (0.1 R)
• M21: 23,848,893 km (0.103 R)
• M22: 26,287,188 km (0.055 R)
• M23: 29,209,732 km (0.098 R)
• M24: 37,704,199 km (0.066 R)
• M25: 38,090,011 km (0.118 R)
• M26: 40,326,200 km (0.075 R)
• M27: 45,202,493 km (0.101 R)
• M28: 46,812,764 km (0.066 R)
• M29: 47,856,957 km (0.088 R)
• M30: 51,397,640 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 678.8

Radius: 4.2

Gravity: 38.48 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.09 AU - 9.95 AU

Year: 16867 Days

Day: 24.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,714,910 km

• M1: 52,359 km (0.06 R)
• M2: 207,791 km (0.115 R)
• M3: 421,118 km (0.118 R)
• M4: 987,645 km (0.087 R)
• M5: 1,214,286 km (0.113 R)
• M6: 1,553,574 km (0.067 R)
• M7: 1,754,185 km (0.039 R)
• M8: 3,913,480 km (0.092 R)
• M9: 5,246,397 km (0.091 R)
• M10: 5,698,931 km (0.117 R)
• M11: 5,855,410 km (0.088 R)
• M12: 6,467,864 km (0.087 R)
• M13: 10,297,719 km (0.083 R)
• M14: 12,582,827 km (0.09 R)
• M15: 12,982,702 km (0.051 R)
• M16: 16,810,462 km (0.105 R)
• M17: 17,541,398 km (0.115 R)
• M18: 24,681,106 km (0.111 R)
• M19: 26,700,078 km (0.108 R)
• M20: 27,582,107 km (0.088 R)
• M21: 30,942,524 km (0.092 R)
• M22: 31,305,000 km (0.115 R)
• M23: 34,178,476 km (0.098 R)
• M24: 35,745,214 km (0.098 R)
• M25: 38,045,880 km (0.118 R)
• M26: 40,156,108 km (0.042 R)
• M27: 41,605,561 km (0.102 R)
• M28: 41,899,521 km (0.091 R)
• M29: 42,640,629 km (0.068 R)
• M30: 46,794,064 km (0.118 R)
• M31: 47,591,720 km (0.109 R)
• M32: 52,056,020 km (0.095 R)
• M33: 54,301,783 km (0.111 R)
• M34: 58,431,732 km (0.076 R)
• M35: 60,856,115 km (0.041 R)
• M36: 61,806,061 km (0.11 R)
• M37: 63,541,097 km (0.027 R)
• M38: 65,110,229 km (0.065 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 20,182 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit