🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.1

Radius: 10.1

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.46 AU - 0.72 AU

Year: 313 Days

Day: 8.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,975,341 km

• M1: 125,662 km (0.109 R)
• M2: 726,597 km (0.111 R)
• M3: 1,126,921 km (0.108 R)
• M4: 1,516,025 km (0.101 R)
• M5: 1,844,093 km (0.06 R)
• M6: 2,891,278 km (0.107 R)
• M7: 3,391,384 km (0.094 R)
• M8: 3,935,920 km (0.097 R)
• M9: 4,308,568 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.6

Radius: 11.9

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.46 AU - 0.74 AU

Year: 321 Days

Day: 11.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,975,341 km

• M1: 147,952 km (0.086 R)
• M2: 525,837 km (0.088 R)
• M3: 914,941 km (0.119 R)
• M4: 1,353,412 km (0.078 R)
• M5: 1,825,094 km (0.093 R)
• M6: 2,237,535 km (0.108 R)
• M7: 2,975,202 km (0.054 R)
• M8: 3,609,647 km (0.09 R)
• M9: 4,027,474 km (0.109 R)
• M10: 4,491,078 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.6

Radius: 14.8

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.77 AU - 0.83 AU

Year: 494 Days

Day: 8.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,975,341 km

• M1: 184,005 km (0.078 R)
• M2: 651,349 km (0.079 R)
• M3: 1,132,306 km (0.106 R)
• M4: 1,596,359 km (0.105 R)
• M5: 2,182,483 km (0.108 R)
• M6: 2,704,430 km (0.043 R)
• M7: 3,201,245 km (0.078 R)
• M8: 4,442,159 km (0.098 R)
• M9: 4,926,407 km (0.057 R)
• M10: 6,076,815 km (0.097 R)
• M11: 6,857,267 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.6

Radius: 8

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.7 AU - 1.08 AU

Year: 580 Days

Day: 15 Hours

Environment

Temp: -173 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,975,341 km

• M1: 101,128 km (0.078 R)
• M2: 370,704 km (0.087 R)
• M3: 623,075 km (0.114 R)
• M4: 1,160,431 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.4

Radius: 9.5

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.1 AU - 1.52 AU

Year: 1035 Days

Day: 5.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,975,341 km

• M1: 118,332 km (0.091 R)
• M2: 481,107 km (0.087 R)
• M3: 1,103,583 km (0.11 R)
• M4: 1,679,984 km (0.069 R)
• M5: 2,032,736 km (0.102 R)
• M6: 2,377,409 km (0.043 R)
• M7: 4,656,234 km (0.106 R)
• M8: 5,008,986 km (0.096 R)
• M9: 5,379,539 km (0.07 R)
• M10: 5,873,811 km (0.111 R)
• M11: 6,330,832 km (0.11 R)
• M12: 7,193,862 km (0.079 R)
• M13: 8,028,020 km (0.067 R)
• M14: 9,618,694 km (0.042 R)
• M15: 10,008,995 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.5

Radius: 11.7

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.56 AU - 4.02 AU

Year: 4119 Days

Day: 14.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,975,341 km

• M1: 145,559 km (0.118 R)
• M2: 810,671 km (0.09 R)
• M3: 1,247,945 km (0.056 R)
• M4: 1,831,078 km (0.107 R)
• M5: 2,461,184 km (0.086 R)
• M6: 3,099,069 km (0.091 R)
• M7: 4,133,389 km (0.117 R)
• M8: 4,655,935 km (0.112 R)
• M9: 6,127,978 km (0.117 R)
• M10: 7,302,321 km (0.103 R)
• M11: 8,104,614 km (0.059 R)
• M12: 9,159,429 km (0.073 R)
• M13: 9,884,530 km (0.098 R)
• M14: 12,726,889 km (0.034 R)
• M15: 13,324,383 km (0.102 R)
• M16: 14,900,098 km (0.109 R)
• M17: 15,960,148 km (0.099 R)
• M18: 16,363,314 km (0.052 R)
• M19: 17,070,015 km (0.033 R)
• M20: 19,054,281 km (0.086 R)
• M21: 21,886,318 km (0.094 R)
• M22: 24,224,084 km (0.112 R)
• M23: 27,456,894 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.8

Radius: 10.9

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.2 AU - 5.44 AU

Year: 8470 Days

Day: 6.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,975,341 km

• M1: 144,661 km (0.096 R)
• M2: 521,049 km (0.09 R)
• M3: 919,728 km (0.075 R)
• M4: 1,449,454 km (0.106 R)
• M5: 2,092,126 km (0.06 R)
• M6: 2,792,394 km (0.114 R)
• M7: 3,450,176 km (0.064 R)
• M8: 4,154,782 km (0.082 R)
• M9: 4,922,368 km (0.085 R)
• M10: 6,664,884 km (0.115 R)
• M11: 7,513,852 km (0.043 R)
• M12: 8,608,310 km (0.053 R)
• M13: 10,495,338 km (0.084 R)
• M14: 11,007,262 km (0.11 R)
• M15: 11,535,791 km (0.056 R)
• M16: 12,815,900 km (0.077 R)
• M17: 13,341,737 km (0.095 R)
• M18: 16,189,930 km (0.12 R)
• M19: 16,804,628 km (0.101 R)
• M20: 17,152,892 km (0.07 R)
• M21: 18,226,556 km (0.097 R)
• M22: 22,297,114 km (0.119 R)
• M23: 23,662,194 km (0.063 R)
• M24: 24,811,854 km (0.09 R)
• M25: 26,652,656 km (0.056 R)
• M26: 28,681,652 km (0.074 R)
• M27: 33,372,592 km (0.113 R)
• M28: 36,072,235 km (0.118 R)
• M29: 36,419,602 km (0.085 R)
• M30: 42,802,045 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.4

Radius: 4

Gravity: 50.84 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.2 AU - 8.14 AU

Year: 14662 Days

Day: 22.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,975,341 km

• M1: 49,816 km (0.099 R)
• M2: 394,639 km (0.051 R)
• M3: 535,112 km (0.088 R)
• M4: 1,502,112 km (0.074 R)
• M5: 2,018,823 km (0.094 R)
• M6: 2,423,635 km (0.096 R)
• M7: 3,053,293 km (0.115 R)
• M8: 3,474,261 km (0.044 R)
• M9: 4,561,389 km (0.118 R)
• M10: 6,256,632 km (0.048 R)
• M11: 6,504,815 km (0.106 R)
• M12: 6,759,580 km (0.087 R)
• M13: 7,941,253 km (0.095 R)
• M14: 9,307,232 km (0.081 R)
• M15: 13,222,357 km (0.068 R)
• M16: 13,908,264 km (0.09 R)
• M17: 14,762,318 km (0.052 R)
• M18: 15,954,613 km (0.069 R)
• M19: 16,108,100 km (0.113 R)
• M20: 23,182,883 km (0.07 R)
• M21: 26,468,351 km (0.071 R)
• M22: 32,570,000 km (0.102 R)
• M23: 36,940,501 km (0.087 R)
• M24: 38,709,945 km (0.085 R)
• M25: 40,964,086 km (0.111 R)
• M26: 41,251,912 km (0.07 R)
• M27: 42,858,892 km (0.072 R)
• M28: 46,979,267 km (0.096 R)
• M29: 47,136,793 km (0.117 R)
• M30: 48,089,133 km (0.115 R)
• M31: 57,064,557 km (0.114 R)
• M32: 61,472,009 km (0.075 R)
• M33: 62,227,927 km (0.039 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.2

Radius: 4.2

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.83 AU - 9.35 AU

Year: 17378 Days

Day: 17.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,975,341 km

• M1: 55,800 km (0.118 R)
• M2: 443,707 km (0.114 R)
• M3: 1,460,823 km (0.042 R)
• M4: 1,849,478 km (0.091 R)
• M5: 2,019,721 km (0.106 R)
• M6: 2,321,161 km (0.112 R)
• M7: 3,759,694 km (0.051 R)
• M8: 4,538,799 km (0.056 R)
• M9: 5,545,593 km (0.076 R)
• M10: 12,482,746 km (0.072 R)
• M11: 14,250,693 km (0.115 R)
• M12: 24,160,655 km (0.118 R)
• M13: 24,672,878 km (0.091 R)
• M14: 25,018,449 km (0.053 R)
• M15: 30,200,818 km (0.118 R)
• M16: 35,285,051 km (0.093 R)
• M17: 37,400,664 km (0.077 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.6

Radius: 5.2

Gravity: 18.03 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.59 AU - 11.01 AU

Year: 19577 Days

Day: 15.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,975,341 km

• M1: 64,776 km (0.038 R)
• M2: 264,489 km (0.079 R)
• M3: 649,554 km (0.091 R)
• M4: 966,701 km (0.076 R)
• M5: 1,254,378 km (0.106 R)
• M6: 1,764,956 km (0.114 R)
• M7: 2,077,316 km (0.116 R)
• M8: 2,277,777 km (0.035 R)
• M9: 2,694,557 km (0.11 R)
• M10: 3,186,435 km (0.104 R)
• M11: 3,481,442 km (0.101 R)
• M12: 3,678,462 km (0.113 R)
• M13: 4,347,015 km (0.114 R)
• M14: 4,676,280 km (0.064 R)
• M15: 5,496,675 km (0.084 R)
• M16: 7,235,600 km (0.082 R)
• M17: 9,045,286 km (0.077 R)
• M18: 9,913,851 km (0.115 R)
• M19: 11,136,365 km (0.101 R)
• M20: 12,005,080 km (0.115 R)
• M21: 12,456,117 km (0.1 R)
• M22: 13,187,351 km (0.077 R)
• M23: 15,029,200 km (0.106 R)
• M24: 17,278,105 km (0.084 R)
• M25: 17,769,833 km (0.113 R)
• M26: 18,695,545 km (0.107 R)
• M27: 19,919,854 km (0.073 R)
• M28: 26,850,125 km (0.081 R)
• M29: 27,068,688 km (0.091 R)
• M30: 28,292,548 km (0.069 R)
• M31: 31,573,678 km (0.057 R)
• M32: 33,054,248 km (0.045 R)
• M33: 36,822,319 km (0.034 R)
• M34: 38,879,140 km (0.082 R)
• M35: 41,592,846 km (0.068 R)
• M36: 42,475,323 km (0.082 R)
• M37: 45,818,088 km (0.11 R)
• M38: 65,976,700 km (0.12 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 13,144 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit