🌌 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: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.1

Radius: 8.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.7 AU - 0.74 AU

Year: 429 Days

Day: 12.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,033,086 km

• M1: 106,962 km (0.114 R)
• M2: 403,316 km (0.12 R)
• M3: 704,456 km (0.113 R)
• M4: 991,235 km (0.106 R)
• M5: 1,527,245 km (0.041 R)
• M6: 2,013,737 km (0.118 R)
• M7: 2,318,468 km (0.093 R)
• M8: 2,885,893 km (0.109 R)
• M9: 3,192,568 km (0.068 R)
• M10: 3,488,174 km (0.106 R)
• M11: 3,779,141 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.5

Radius: 13.9

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.61 AU - 0.87 AU

Year: 447 Days

Day: 12.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,033,086 km

• M1: 172,935 km (0.112 R)
• M2: 942,167 km (0.063 R)
• M3: 1,689,409 km (0.116 R)
• M4: 2,245,464 km (0.12 R)
• M5: 2,699,494 km (0.107 R)
• M6: 3,563,272 km (0.091 R)
• M7: 4,160,317 km (0.064 R)
• M8: 4,662,367 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.4

Radius: 13.6

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.61 AU - 0.91 AU

Year: 466 Days

Day: 11.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,033,086 km

• M1: 169,195 km (0.114 R)
• M2: 610,359 km (0.075 R)
• M3: 1,037,162 km (0.045 R)
• M4: 1,501,065 km (0.12 R)
• M5: 2,029,594 km (0.111 R)
• M6: 2,641,450 km (0.058 R)
• M7: 4,072,054 km (0.077 R)
• M8: 4,604,174 km (0.112 R)
• M9: 5,464,511 km (0.068 R)
• M10: 6,205,619 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239

Radius: 13

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.66 AU - 2.44 AU

Year: 2063 Days

Day: 5.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,033,086 km

• M1: 161,715 km (0.063 R)
• M2: 922,271 km (0.077 R)
• M3: 1,512,135 km (0.094 R)
• M4: 1,941,182 km (0.08 R)
• M5: 3,294,444 km (0.088 R)
• M6: 3,783,480 km (0.078 R)
• M7: 4,427,199 km (0.101 R)
• M8: 5,123,129 km (0.091 R)
• M9: 5,655,099 km (0.064 R)
• M10: 6,806,105 km (0.095 R)
• M11: 7,450,423 km (0.038 R)
• M12: 9,538,959 km (0.079 R)
• M13: 10,636,857 km (0.065 R)
• M14: 11,132,326 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.1

Radius: 8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.5 AU - 3.8 AU

Year: 4902 Days

Day: 10 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,033,086 km

• M1: 99,483 km (0.094 R)
• M2: 538,552 km (0.105 R)
• M3: 803,341 km (0.082 R)
• M4: 2,921,048 km (0.118 R)
• M5: 5,415,144 km (0.095 R)
• M6: 7,651,781 km (0.116 R)
• M7: 8,669,645 km (0.095 R)
• M8: 9,359,292 km (0.08 R)
• M9: 10,562,208 km (0.029 R)
• M10: 13,991,290 km (0.112 R)
• M11: 14,685,724 km (0.114 R)
• M12: 17,924,368 km (0.039 R)
• M13: 18,447,961 km (0.106 R)
• M14: 19,894,422 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.8

Radius: 8.1

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.15 AU - 4.87 AU

Year: 5644 Days

Day: 7.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,033,086 km

• M1: 110,254 km (0.118 R)
• M2: 388,057 km (0.083 R)
• M3: 755,619 km (0.08 R)
• M4: 1,070,522 km (0.118 R)
• M5: 1,404,874 km (0.118 R)
• M6: 2,179,192 km (0.084 R)
• M7: 3,519,888 km (0.081 R)
• M8: 4,268,027 km (0.05 R)
• M9: 6,076,516 km (0.113 R)
• M10: 6,647,232 km (0.109 R)
• M11: 7,932,277 km (0.075 R)
• M12: 8,192,877 km (0.102 R)
• M13: 10,312,080 km (0.097 R)
• M14: 10,848,538 km (0.088 R)
• M15: 11,170,174 km (0.089 R)
• M16: 13,707,952 km (0.114 R)
• M17: 26,366,774 km (0.076 R)
• M18: 29,096,487 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.5

Radius: 4.3

Gravity: 20.36 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.63 AU - 6.83 AU

Year: 10931 Days

Day: 19.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 52,033,086 km

• M1: 55,052 km (0.113 R)
• M2: 205,398 km (0.065 R)
• M3: 533,765 km (0.068 R)
• M4: 680,521 km (0.113 R)
• M5: 1,016,667 km (0.063 R)
• M6: 1,468,752 km (0.045 R)
• M7: 1,617,751 km (0.108 R)
• M8: 2,598,515 km (0.09 R)
• M9: 3,454,963 km (0.112 R)
• M10: 4,183,355 km (0.088 R)
• M11: 4,373,494 km (0.098 R)
• M12: 4,597,891 km (0.082 R)
• M13: 4,800,446 km (0.107 R)
• M14: 6,678,498 km (0.036 R)
• M15: 8,005,132 km (0.095 R)
• M16: 8,642,718 km (0.083 R)
• M17: 12,512,216 km (0.097 R)
• M18: 14,757,980 km (0.112 R)
• M19: 15,584,209 km (0.119 R)
• M20: 17,120,579 km (0.057 R)
• M21: 19,723,582 km (0.102 R)
• M22: 21,357,639 km (0.053 R)
• M23: 23,503,022 km (0.071 R)
• M24: 23,931,471 km (0.105 R)
• M25: 24,715,663 km (0.096 R)
• M26: 25,606,967 km (0.108 R)
• M27: 31,409,270 km (0.115 R)
• M28: 38,029,424 km (0.095 R)
• M29: 39,096,356 km (0.06 R)
• M30: 39,456,438 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795

Radius: 7.3

Gravity: 14.92 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.97 AU - 7.43 AU

Year: 12190 Days

Day: 18.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,033,086 km

• M1: 90,956 km (0.095 R)
• M2: 358,137 km (0.103 R)
• M3: 816,804 km (0.107 R)
• M4: 1,183,170 km (0.114 R)
• M5: 1,989,053 km (0.106 R)
• M6: 2,724,028 km (0.064 R)
• M7: 4,075,345 km (0.105 R)
• M8: 4,434,679 km (0.06 R)
• M9: 5,861,245 km (0.074 R)
• M10: 6,557,623 km (0.096 R)
• M11: 7,051,744 km (0.084 R)
• M12: 7,930,034 km (0.116 R)
• M13: 8,978,266 km (0.041 R)
• M14: 9,279,406 km (0.104 R)
• M15: 9,902,182 km (0.088 R)
• M16: 10,607,985 km (0.111 R)
• M17: 14,578,612 km (0.077 R)
• M18: 16,218,653 km (0.114 R)
• M19: 16,590,853 km (0.12 R)
• M20: 17,429,648 km (0.113 R)
• M21: 21,245,590 km (0.068 R)
• M22: 22,234,283 km (0.116 R)
• M23: 26,496,924 km (0.091 R)
• M24: 27,853,478 km (0.104 R)
• M25: 33,383,662 km (0.104 R)
• M26: 34,229,040 km (0.087 R)
• M27: 37,753,566 km (0.119 R)
• M28: 40,961,094 km (0.069 R)
• M29: 43,912,660 km (0.101 R)
• M30: 45,219,996 km (0.098 R)
• M31: 47,153,847 km (0.076 R)
• M32: 50,078,486 km (0.112 R)
• M33: 51,986,606 km (0.097 R)
• M34: 52,633,318 km (0.063 R)
• M35: 55,778,314 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.1

Radius: 4.9

Gravity: 18.37 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.31 AU - 7.63 AU

Year: 12935 Days

Day: 24 Hours

Environment

Temp: -237 °C

Axial Tilt: 124 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,033,086 km

• M1: 61,036 km (0.048 R)
• M2: 289,472 km (0.033 R)
• M3: 465,399 km (0.102 R)
• M4: 705,952 km (0.03 R)
• M5: 884,273 km (0.088 R)
• M6: 1,048,531 km (0.088 R)
• M7: 1,257,819 km (0.104 R)
• M8: 1,639,144 km (0.111 R)
• M9: 1,873,115 km (0.109 R)
• M10: 2,927,630 km (0.096 R)
• M11: 3,468,277 km (0.1 R)
• M12: 5,454,638 km (0.067 R)
• M13: 5,659,886 km (0.077 R)
• M14: 5,834,915 km (0.119 R)
• M15: 6,419,095 km (0.064 R)
• M16: 6,725,471 km (0.053 R)
• M17: 7,122,055 km (0.114 R)
• M18: 7,408,835 km (0.063 R)
• M19: 7,874,982 km (0.115 R)
• M20: 8,093,245 km (0.098 R)
• M21: 9,735,979 km (0.05 R)
• M22: 10,928,872 km (0.075 R)
• M23: 11,421,199 km (0.115 R)
• M24: 12,806,027 km (0.093 R)
• M25: 13,726,353 km (0.082 R)
• M26: 13,915,444 km (0.027 R)
• M27: 15,289,052 km (0.084 R)
• M28: 18,532,035 km (0.105 R)
• M29: 19,074,477 km (0.069 R)
• M30: 27,319,114 km (0.039 R)
• M31: 31,495,289 km (0.063 R)
• M32: 33,164,950 km (0.038 R)
• M33: 34,310,272 km (0.09 R)
• M34: 35,245,408 km (0.112 R)
• M35: 36,800,927 km (0.119 R)
• M36: 39,155,896 km (0.086 R)
• M37: 42,538,603 km (0.066 R)
• M38: 46,111,000 km (0.051 R)
• M39: 48,551,839 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.8

Radius: 6.7

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 7.79 AU - 10.69 AU

Year: 19743 Days

Day: 19.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,033,086 km

• M1: 85,420 km (0.12 R)
• M2: 312,510 km (0.085 R)
• M3: 675,135 km (0.087 R)
• M4: 1,061,098 km (0.11 R)
• M5: 1,324,240 km (0.088 R)
• M6: 2,630,379 km (0.073 R)
• M7: 4,242,596 km (0.051 R)
• M8: 11,417,010 km (0.064 R)
• M9: 12,584,622 km (0.108 R)
• M10: 21,737,618 km (0.075 R)
• M11: 26,087,625 km (0.075 R)
• M12: 33,011,164 km (0.079 R)
• M13: 45,615,532 km (0.119 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: 264 - 17,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit