🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.7

Radius: 9.3

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.55 AU - 0.57 AU

Year: 279 Days

Day: 8.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,558,643 km

• M1: 115,639 km (0.067 R)
• M2: 474,524 km (0.119 R)
• M3: 777,610 km (0.087 R)
• M4: 1,695,991 km (0.115 R)
• M5: 2,366,938 km (0.11 R)
• M6: 2,905,939 km (0.059 R)
• M7: 3,247,770 km (0.039 R)
• M8: 3,570,452 km (0.085 R)
• M9: 3,939,062 km (0.079 R)
• M10: 4,332,953 km (0.052 R)
• M11: 4,683,461 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.7

Radius: 8.7

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.69 AU - 1.01 AU

Year: 523 Days

Day: 14.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,558,643 km

• M1: 108,309 km (0.119 R)
• M2: 403,465 km (0.094 R)
• M3: 776,114 km (0.095 R)
• M4: 1,250,189 km (0.087 R)
• M5: 1,899,743 km (0.109 R)
• M6: 2,469,861 km (0.104 R)
• M7: 3,365,354 km (0.088 R)
• M8: 3,948,935 km (0.068 R)
• M9: 4,344,921 km (0.107 R)
• M10: 4,845,475 km (0.066 R)
• M11: 5,350,368 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.1

Radius: 11.7

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.43 AU - 3.93 AU

Year: 4708 Days

Day: 11.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,558,643 km

• M1: 145,559 km (0.089 R)
• M2: 559,945 km (0.065 R)
• M3: 985,401 km (0.092 R)
• M4: 1,741,170 km (0.114 R)
• M5: 2,308,594 km (0.11 R)
• M6: 2,964,132 km (0.037 R)
• M7: 5,152,899 km (0.098 R)
• M8: 5,720,623 km (0.116 R)
• M9: 6,778,579 km (0.064 R)
• M10: 8,486,538 km (0.117 R)
• M11: 9,676,439 km (0.117 R)
• M12: 10,122,091 km (0.104 R)
• M13: 11,094,328 km (0.114 R)
• M14: 11,624,054 km (0.089 R)
• M15: 16,911,590 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.9

Radius: 13.7

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.56 AU - 5.36 AU

Year: 6281 Days

Day: 6 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,558,643 km

• M1: 194,178 km (0.082 R)
• M2: 683,064 km (0.085 R)
• M3: 1,294,022 km (0.103 R)
• M4: 1,728,304 km (0.028 R)
• M5: 2,290,194 km (0.091 R)
• M6: 2,855,973 km (0.06 R)
• M7: 3,495,205 km (0.07 R)
• M8: 5,062,691 km (0.107 R)
• M9: 5,493,383 km (0.117 R)
• M10: 6,935,656 km (0.044 R)
• M11: 7,500,837 km (0.118 R)
• M12: 8,371,646 km (0.091 R)
• M13: 8,831,660 km (0.086 R)
• M14: 11,052,590 km (0.093 R)
• M15: 12,002,088 km (0.069 R)
• M16: 13,916,043 km (0.087 R)
• M17: 15,757,892 km (0.117 R)
• M18: 16,461,450 km (0.086 R)
• M19: 17,699,672 km (0.119 R)
• M20: 20,424,597 km (0.086 R)
• M21: 20,872,344 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.3

Radius: 5.5

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.41 AU - 6.59 AU

Year: 11051 Days

Day: 15.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,558,643 km

• M1: 68,366 km (0.09 R)
• M2: 309,967 km (0.111 R)
• M3: 558,748 km (0.067 R)
• M4: 965,804 km (0.089 R)
• M5: 1,268,590 km (0.1 R)
• M6: 1,474,287 km (0.057 R)
• M7: 2,662,842 km (0.083 R)
• M8: 3,002,579 km (0.087 R)
• M9: 3,484,583 km (0.114 R)
• M10: 3,768,370 km (0.088 R)
• M11: 5,150,505 km (0.082 R)
• M12: 6,206,666 km (0.097 R)
• M13: 7,134,921 km (0.092 R)
• M14: 7,593,139 km (0.097 R)
• M15: 7,989,723 km (0.119 R)
• M16: 8,695,675 km (0.06 R)
• M17: 9,994,484 km (0.103 R)
• M18: 11,675,815 km (0.081 R)
• M19: 12,204,045 km (0.067 R)
• M20: 12,858,984 km (0.092 R)
• M21: 13,422,370 km (0.079 R)
• M22: 15,335,876 km (0.08 R)
• M23: 15,587,201 km (0.115 R)
• M24: 21,442,910 km (0.094 R)
• M25: 24,640,116 km (0.098 R)
• M26: 25,508,232 km (0.109 R)
• M27: 29,185,348 km (0.111 R)
• M28: 29,378,030 km (0.114 R)
• M29: 33,200,854 km (0.109 R)
• M30: 33,516,057 km (0.114 R)
• M31: 35,668,770 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.2

Radius: 3.8

Gravity: 25.15 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.89 AU - 8.51 AU

Year: 15659 Days

Day: 23.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 83,558,643 km

• M1: 47,273 km (0.113 R)
• M2: 173,085 km (0.069 R)
• M3: 510,877 km (0.073 R)
• M4: 815,907 km (0.115 R)
• M5: 1,076,057 km (0.056 R)
• M6: 1,559,558 km (0.105 R)
• M7: 3,076,630 km (0.055 R)
• M8: 3,864,562 km (0.071 R)
• M9: 7,311,895 km (0.036 R)
• M10: 8,186,295 km (0.054 R)
• M11: 9,424,217 km (0.092 R)
• M12: 9,777,717 km (0.084 R)
• M13: 10,836,421 km (0.102 R)
• M14: 11,280,577 km (0.104 R)
• M15: 11,564,215 km (0.077 R)
• M16: 11,852,639 km (0.108 R)
• M17: 14,667,622 km (0.045 R)
• M18: 15,005,564 km (0.089 R)
• M19: 15,417,856 km (0.117 R)
• M20: 15,979,297 km (0.082 R)
• M21: 18,283,852 km (0.113 R)
• M22: 20,716,014 km (0.088 R)
• M23: 21,055,751 km (0.091 R)
• M24: 22,009,288 km (0.075 R)
• M25: 22,900,741 km (0.104 R)
• M26: 23,355,369 km (0.111 R)
• M27: 23,538,926 km (0.119 R)
• M28: 24,660,311 km (0.069 R)
• M29: 24,946,043 km (0.077 R)
• M30: 25,427,449 km (0.112 R)
• M31: 27,824,007 km (0.118 R)
• M32: 31,582,504 km (0.07 R)
• M33: 38,532,073 km (0.066 R)
• M34: 44,295,930 km (0.102 R)
• M35: 48,342,402 km (0.057 R)
• M36: 49,845,263 km (0.062 R)
• M37: 50,761,699 km (0.059 R)
• M38: 51,224,106 km (0.068 R)
• M39: 51,689,355 km (0.095 R)
• M40: 52,157,447 km (0.059 R)
• M41: 52,314,076 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.8

Radius: 7.7

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.32 AU - 8.54 AU

Year: 16322 Days

Day: 17.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,558,643 km

• M1: 96,341 km (0.034 R)
• M2: 828,922 km (0.105 R)
• M3: 1,108,371 km (0.093 R)
• M4: 1,760,767 km (0.094 R)
• M5: 2,001,769 km (0.036 R)
• M6: 2,405,384 km (0.058 R)
• M7: 2,802,118 km (0.107 R)
• M8: 3,607,253 km (0.061 R)
• M9: 4,870,458 km (0.117 R)
• M10: 5,319,700 km (0.105 R)
• M11: 5,570,426 km (0.074 R)
• M12: 5,894,904 km (0.098 R)
• M13: 8,363,269 km (0.032 R)
• M14: 9,007,737 km (0.102 R)
• M15: 11,500,037 km (0.097 R)
• M16: 12,188,337 km (0.071 R)
• M17: 13,243,301 km (0.087 R)
• M18: 14,177,839 km (0.09 R)
• M19: 15,031,145 km (0.078 R)
• M20: 23,045,552 km (0.117 R)
• M21: 32,251,506 km (0.096 R)
• M22: 33,510,970 km (0.032 R)
• M23: 35,682,533 km (0.09 R)
• M24: 37,946,098 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.6

Radius: 5.8

Gravity: 26.41 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8.32 AU - 11.12 AU

Year: 20208 Days

Day: 17.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,558,643 km

• M1: 72,256 km (0.09 R)
• M2: 316,250 km (0.066 R)
• M3: 720,164 km (0.102 R)
• M4: 1,010,534 km (0.111 R)
• M5: 2,632,175 km (0.104 R)
• M6: 3,470,671 km (0.056 R)
• M7: 5,659,287 km (0.067 R)
• M8: 5,868,276 km (0.076 R)
• M9: 6,125,883 km (0.094 R)
• M10: 7,679,906 km (0.038 R)
• M11: 9,834,265 km (0.086 R)
• M12: 11,146,687 km (0.07 R)
• M13: 12,501,296 km (0.042 R)
• M14: 13,145,314 km (0.079 R)
• M15: 15,614,727 km (0.12 R)
• M16: 16,615,387 km (0.106 R)
• M17: 18,377,051 km (0.04 R)
• M18: 19,115,317 km (0.066 R)
• M19: 22,163,373 km (0.084 R)
• M20: 22,894,009 km (0.076 R)
• M21: 23,211,905 km (0.111 R)
• M22: 27,141,990 km (0.057 R)
• M23: 30,206,054 km (0.112 R)
• M24: 30,716,781 km (0.112 R)
• M25: 46,272,566 km (0.115 R)
• M26: 47,464,412 km (0.031 R)
• M27: 49,026,663 km (0.08 R)
• M28: 49,554,893 km (0.095 R)
• M29: 50,982,206 km (0.08 R)
• M30: 52,620,453 km (0.066 R)
• M31: 55,237,967 km (0.111 R)
• M32: 59,524,694 km (0.119 R)
• M33: 61,136,910 km (0.074 R)
• M34: 62,159,112 km (0.087 R)
• M35: 64,870,274 km (0.058 R)
• M36: 67,225,094 km (0.074 R)
• M37: 77,452,353 km (0.19 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 390 - 13,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit