🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.2

Radius: 8.1

Gravity: 15.2 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.48 AU - 1.66 AU

Year: 1383 Days

Day: 8.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,064,789 km

• M1: 101,427 km (0.083 R)
• M2: 506,090 km (0.091 R)
• M3: 785,090 km (0.054 R)
• M4: 1,102,237 km (0.095 R)
• M5: 1,354,908 km (0.071 R)
• M6: 1,746,555 km (0.116 R)
• M7: 2,025,705 km (0.109 R)
• M8: 3,232,361 km (0.11 R)
• M9: 3,589,003 km (0.113 R)
• M10: 3,953,722 km (0.105 R)
• M11: 6,138,150 km (0.083 R)
• M12: 7,852,841 km (0.106 R)
• M13: 8,379,276 km (0.101 R)
• M14: 9,117,392 km (0.054 R)
• M15: 10,408,421 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.8

Radius: 9.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.65 AU - 1.69 AU

Year: 1517 Days

Day: 5.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,064,789 km

• M1: 116,836 km (0.06 R)
• M2: 491,279 km (0.113 R)
• M3: 965,804 km (0.107 R)
• M4: 1,589,029 km (0.113 R)
• M5: 2,031,838 km (0.102 R)
• M6: 2,555,580 km (0.063 R)
• M7: 3,251,809 km (0.064 R)
• M8: 3,856,932 km (0.117 R)
• M9: 4,186,796 km (0.067 R)
• M10: 4,662,068 km (0.107 R)
• M11: 4,979,515 km (0.103 R)
• M12: 7,371,734 km (0.112 R)
• M13: 7,777,892 km (0.069 R)
• M14: 9,202,513 km (0.079 R)
• M15: 10,223,369 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.5

Radius: 8.4

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.55 AU - 1.89 AU

Year: 1586 Days

Day: 5.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,064,789 km

• M1: 104,419 km (0.071 R)
• M2: 420,370 km (0.109 R)
• M3: 1,126,622 km (0.095 R)
• M4: 1,512,584 km (0.079 R)
• M5: 1,797,119 km (0.05 R)
• M6: 2,061,758 km (0.031 R)
• M7: 2,364,843 km (0.086 R)
• M8: 2,778,780 km (0.113 R)
• M9: 3,105,652 km (0.064 R)
• M10: 3,603,065 km (0.064 R)
• M11: 4,170,789 km (0.101 R)
• M12: 4,466,843 km (0.084 R)
• M13: 5,794,823 km (0.103 R)
• M14: 6,164,330 km (0.028 R)
• M15: 6,798,176 km (0.087 R)
• M16: 7,555,889 km (0.07 R)
• M17: 8,811,165 km (0.117 R)
• M18: 9,362,882 km (0.057 R)
• M19: 9,807,636 km (0.061 R)
• M20: 10,233,242 km (0.106 R)
• M21: 10,912,117 km (0.064 R)
• M22: 11,512,304 km (0.114 R)
• M23: 12,134,482 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.1

Radius: 12.4

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.35 AU - 2.19 AU

Year: 1655 Days

Day: 12.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,064,789 km

• M1: 154,385 km (0.036 R)
• M2: 750,233 km (0.039 R)
• M3: 1,136,046 km (0.1 R)
• M4: 2,147,926 km (0.108 R)
• M5: 2,579,217 km (0.086 R)
• M6: 3,706,437 km (0.096 R)
• M7: 4,692,736 km (0.101 R)
• M8: 5,404,672 km (0.04 R)
• M9: 6,187,518 km (0.064 R)
• M10: 7,017,337 km (0.113 R)
• M11: 7,861,518 km (0.116 R)
• M12: 8,553,557 km (0.083 R)
• M13: 10,128,823 km (0.104 R)
• M14: 10,803,061 km (0.089 R)
• M15: 11,967,082 km (0.088 R)
• M16: 12,479,454 km (0.065 R)
• M17: 14,588,186 km (0.1 R)
• M18: 15,082,308 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.9

Radius: 9

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.54 AU - 2.32 AU

Year: 1885 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,064,789 km

• M1: 111,899 km (0.098 R)
• M2: 536,458 km (0.038 R)
• M3: 904,768 km (0.032 R)
• M4: 1,207,105 km (0.091 R)
• M5: 1,594,713 km (0.089 R)
• M6: 1,965,267 km (0.102 R)
• M7: 2,576,375 km (0.089 R)
• M8: 3,130,635 km (0.093 R)
• M9: 4,323,378 km (0.074 R)
• M10: 6,723,527 km (0.066 R)
• M11: 7,116,969 km (0.105 R)
• M12: 9,662,826 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.2

Radius: 10.5

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.93 AU - 3.45 AU

Year: 4005 Days

Day: 14.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,064,789 km

• M1: 130,599 km (0.063 R)
• M2: 508,034 km (0.12 R)
• M3: 847,173 km (0.039 R)
• M4: 1,326,335 km (0.062 R)
• M5: 1,692,401 km (0.094 R)
• M6: 2,681,093 km (0.104 R)
• M7: 3,792,306 km (0.114 R)
• M8: 5,543,947 km (0.081 R)
• M9: 6,568,693 km (0.036 R)
• M10: 7,552,748 km (0.086 R)
• M11: 8,353,396 km (0.079 R)
• M12: 9,062,789 km (0.099 R)
• M13: 9,927,913 km (0.043 R)
• M14: 11,433,765 km (0.112 R)
• M15: 12,716,417 km (0.102 R)
• M16: 13,086,523 km (0.111 R)
• M17: 13,559,252 km (0.086 R)
• M18: 14,842,054 km (0.109 R)
• M19: 16,420,909 km (0.06 R)
• M20: 16,971,130 km (0.101 R)
• M21: 18,108,673 km (0.101 R)
• M22: 18,459,629 km (0.12 R)
• M23: 19,175,156 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.7

Radius: 11.4

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.15 AU - 3.37 AU

Year: 4137 Days

Day: 10.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,064,789 km

• M1: 144,811 km (0.049 R)
• M2: 670,647 km (0.06 R)
• M3: 1,509,443 km (0.091 R)
• M4: 1,879,398 km (0.12 R)
• M5: 3,646,299 km (0.109 R)
• M6: 5,084,532 km (0.105 R)
• M7: 5,872,464 km (0.116 R)
• M8: 6,515,436 km (0.042 R)
• M9: 7,762,185 km (0.089 R)
• M10: 8,236,111 km (0.027 R)
• M11: 8,613,696 km (0.09 R)
• M12: 9,649,960 km (0.111 R)
• M13: 10,812,186 km (0.118 R)
• M14: 11,311,544 km (0.095 R)
• M15: 18,696,293 km (0.112 R)
• M16: 19,152,567 km (0.069 R)
• M17: 20,291,605 km (0.117 R)
• M18: 21,475,223 km (0.085 R)
• M19: 23,223,873 km (0.096 R)
• M20: 24,056,235 km (0.094 R)
• M21: 26,837,409 km (0.054 R)
• M22: 28,433,768 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.4

Radius: 7.2

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.83 AU - 6.15 AU

Year: 10305 Days

Day: 17.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,064,789 km

• M1: 89,609 km (0.11 R)
• M2: 345,272 km (0.036 R)
• M3: 640,877 km (0.072 R)
• M4: 875,596 km (0.098 R)
• M5: 1,258,118 km (0.048 R)
• M6: 1,989,502 km (0.113 R)
• M7: 2,288,099 km (0.036 R)
• M8: 2,635,615 km (0.096 R)
• M9: 2,955,306 km (0.065 R)
• M10: 4,899,330 km (0.096 R)
• M11: 5,800,957 km (0.057 R)
• M12: 6,882,400 km (0.108 R)
• M13: 9,392,353 km (0.1 R)
• M14: 10,776,133 km (0.087 R)
• M15: 13,241,805 km (0.055 R)
• M16: 17,609,016 km (0.112 R)
• M17: 20,922,758 km (0.026 R)
• M18: 26,228,097 km (0.079 R)
• M19: 26,684,071 km (0.09 R)
• M20: 29,727,790 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.9

Radius: 3.4

Gravity: 17.72 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.79 AU - 9.09 AU

Year: 18789 Days

Day: 20.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,064,789 km

• M1: 43,383 km (0.055 R)
• M2: 1,810,882 km (0.12 R)
• M3: 2,552,888 km (0.082 R)
• M4: 3,070,795 km (0.101 R)
• M5: 4,758,409 km (0.086 R)
• M6: 5,368,619 km (0.108 R)
• M7: 6,899,753 km (0.069 R)
• M8: 7,385,497 km (0.11 R)
• M9: 14,384,434 km (0.092 R)
• M10: 15,512,701 km (0.074 R)
• M11: 15,855,579 km (0.094 R)
• M12: 16,698,713 km (0.095 R)
• M13: 21,114,842 km (0.083 R)
• M14: 23,905,590 km (0.088 R)
• M15: 24,918,817 km (0.104 R)
• M16: 33,051,406 km (0.09 R)
• M17: 33,847,266 km (0.114 R)
• M18: 38,892,155 km (0.063 R)
• M19: 43,868,379 km (0.057 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.4

Radius: 6.1

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 9.71 AU - 10.47 AU

Year: 22529 Days

Day: 24.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,064,789 km

• M1: 76,893 km (0.102 R)
• M2: 306,227 km (0.096 R)
• M3: 1,125,275 km (0.037 R)
• M4: 1,441,675 km (0.105 R)
• M5: 1,830,480 km (0.059 R)
• M6: 4,374,541 km (0.117 R)
• M7: 5,187,306 km (0.068 R)
• M8: 5,803,799 km (0.094 R)
• M9: 6,297,322 km (0.1 R)
• M10: 7,071,192 km (0.089 R)
• M11: 7,633,979 km (0.104 R)
• M12: 8,513,016 km (0.109 R)
• M13: 10,093,967 km (0.092 R)
• M14: 11,002,624 km (0.103 R)
• M15: 14,524,457 km (0.087 R)
• M16: 19,952,466 km (0.079 R)
• M17: 21,687,652 km (0.119 R)
• M18: 25,111,349 km (0.046 R)
• M19: 31,390,271 km (0.035 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 12,796 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit