🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.8

Radius: 10

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.24 AU - 1.56 AU

Year: 1053 Days

Day: 13.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,256,218 km

• M1: 124,316 km (0.105 R)
• M2: 506,987 km (0.103 R)
• M3: 1,196,035 km (0.052 R)
• M4: 2,439,492 km (0.09 R)
• M5: 2,877,814 km (0.077 R)
• M6: 3,254,651 km (0.099 R)
• M7: 3,618,772 km (0.083 R)
• M8: 4,343,574 km (0.101 R)
• M9: 4,804,784 km (0.032 R)
• M10: 5,598,252 km (0.114 R)
• M11: 5,973,293 km (0.093 R)
• M12: 6,365,090 km (0.099 R)
• M13: 6,867,141 km (0.113 R)
• M14: 7,494,405 km (0.111 R)
• M15: 8,779,899 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217

Radius: 10

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.98 AU - 3.14 AU

Year: 3403 Days

Day: 9.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,256,218 km

• M1: 124,465 km (0.086 R)
• M2: 604,375 km (0.111 R)
• M3: 924,814 km (0.107 R)
• M4: 2,372,173 km (0.12 R)
• M5: 2,914,615 km (0.05 R)
• M6: 8,492,073 km (0.107 R)
• M7: 9,761,560 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.3

Radius: 12.9

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.76 AU - 4.32 AU

Year: 5163 Days

Day: 12.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,256,218 km

• M1: 160,668 km (0.111 R)
• M2: 742,903 km (0.063 R)
• M3: 1,427,612 km (0.1 R)
• M4: 2,259,377 km (0.109 R)
• M5: 2,946,330 km (0.081 R)
• M6: 3,371,786 km (0.08 R)
• M7: 4,099,730 km (0.043 R)
• M8: 5,041,598 km (0.107 R)
• M9: 5,746,353 km (0.111 R)
• M10: 6,515,735 km (0.117 R)
• M11: 6,995,645 km (0.064 R)
• M12: 7,535,993 km (0.042 R)
• M13: 9,369,015 km (0.071 R)
• M14: 11,238,989 km (0.093 R)
• M15: 11,931,178 km (0.046 R)
• M16: 13,620,437 km (0.058 R)
• M17: 15,047,152 km (0.102 R)
• M18: 15,584,508 km (0.062 R)
• M19: 18,062,447 km (0.059 R)
• M20: 19,570,543 km (0.06 R)
• M21: 20,283,227 km (0.117 R)
• M22: 24,353,037 km (0.086 R)
• M23: 24,928,391 km (0.097 R)
• M24: 26,708,905 km (0.081 R)
• M25: 27,320,910 km (0.112 R)
• M26: 29,213,173 km (0.037 R)
• M27: 33,257,103 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.6

Radius: 12.1

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.69 AU - 5.83 AU

Year: 6603 Days

Day: 14.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,256,218 km

• M1: 150,495 km (0.076 R)
• M2: 1,075,758 km (0.08 R)
• M3: 1,519,914 km (0.052 R)
• M4: 2,978,942 km (0.1 R)
• M5: 3,396,620 km (0.115 R)
• M6: 6,523,215 km (0.117 R)
• M7: 7,661,655 km (0.086 R)
• M8: 8,221,001 km (0.054 R)
• M9: 9,379,936 km (0.11 R)
• M10: 12,020,189 km (0.116 R)
• M11: 12,470,179 km (0.118 R)
• M12: 14,664,780 km (0.11 R)
• M13: 16,425,846 km (0.036 R)
• M14: 16,980,705 km (0.113 R)
• M15: 18,455,441 km (0.083 R)
• M16: 19,462,234 km (0.069 R)
• M17: 20,861,124 km (0.087 R)
• M18: 21,879,437 km (0.044 R)
• M19: 25,377,932 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46

Radius: 3.2

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.19 AU - 8.35 AU

Year: 13771 Days

Day: 23.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,256,218 km

• M1: 39,793 km (0.094 R)
• M2: 223,798 km (0.107 R)
• M3: 897,138 km (0.112 R)
• M4: 1,098,796 km (0.096 R)
• M5: 2,367,985 km (0.107 R)
• M6: 3,464,238 km (0.107 R)
• M7: 3,915,724 km (0.105 R)
• M8: 5,188,353 km (0.082 R)
• M9: 6,712,905 km (0.074 R)
• M10: 8,951,338 km (0.088 R)
• M11: 9,444,263 km (0.063 R)
• M12: 10,566,846 km (0.06 R)
• M13: 12,693,080 km (0.074 R)
• M14: 13,608,021 km (0.098 R)
• M15: 14,309,635 km (0.102 R)
• M16: 16,728,034 km (0.096 R)
• M17: 20,422,204 km (0.059 R)
• M18: 20,878,028 km (0.026 R)
• M19: 22,354,709 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.2

Radius: 3.1

Gravity: 100.33 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 7.36 AU - 8.24 AU

Year: 13851 Days

Day: 23.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,256,218 km

• M1: 38,596 km (0.114 R)
• M2: 229,633 km (0.103 R)
• M3: 343,776 km (0.114 R)
• M4: 481,855 km (0.078 R)
• M5: 656,286 km (0.102 R)
• M6: 1,093,411 km (0.084 R)
• M7: 1,197,531 km (0.079 R)
• M8: 1,471,744 km (0.045 R)
• M9: 2,245,015 km (0.119 R)
• M10: 2,683,786 km (0.114 R)
• M11: 3,528,415 km (0.094 R)
• M12: 4,026,277 km (0.076 R)
• M13: 4,149,845 km (0.053 R)
• M14: 5,159,631 km (0.11 R)
• M15: 5,342,439 km (0.114 R)
• M16: 5,759,967 km (0.082 R)
• M17: 7,142,999 km (0.119 R)
• M18: 7,278,684 km (0.119 R)
• M19: 8,129,597 km (0.109 R)
• M20: 9,472,687 km (0.025 R)
• M21: 10,543,060 km (0.096 R)
• M22: 12,787,028 km (0.097 R)
• M23: 16,403,556 km (0.094 R)
• M24: 16,878,529 km (0.112 R)
• M25: 17,690,696 km (0.078 R)
• M26: 18,528,444 km (0.107 R)
• M27: 20,829,858 km (0.078 R)
• M28: 24,627,998 km (0.058 R)
• M29: 34,322,389 km (0.105 R)
• M30: 34,579,847 km (0.116 R)
• M31: 36,955,162 km (0.074 R)
• M32: 37,225,485 km (0.095 R)
• M33: 40,431,218 km (0.037 R)
• M34: 43,214,337 km (0.105 R)
• M35: 52,324,398 km (0.096 R)
• M36: 59,059,295 km (0.115 R)
• M37: 60,922,985 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.5

Radius: 5

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.1 AU - 11.02 AU

Year: 17339 Days

Day: 16 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,256,218 km

• M1: 62,233 km (0.067 R)
• M2: 220,956 km (0.112 R)
• M3: 534,064 km (0.091 R)
• M4: 735,124 km (0.119 R)
• M5: 913,445 km (0.051 R)
• M6: 1,541,905 km (0.101 R)
• M7: 2,062,057 km (0.036 R)
• M8: 2,442,036 km (0.074 R)
• M9: 2,867,342 km (0.113 R)
• M10: 3,217,551 km (0.066 R)
• M11: 4,262,043 km (0.102 R)
• M12: 5,410,506 km (0.071 R)
• M13: 5,981,820 km (0.119 R)
• M14: 6,671,616 km (0.083 R)
• M15: 10,931,715 km (0.091 R)
• M16: 11,098,666 km (0.073 R)
• M17: 15,918,111 km (0.085 R)
• M18: 16,567,665 km (0.071 R)
• M19: 18,307,787 km (0.036 R)
• M20: 19,100,955 km (0.056 R)
• M21: 19,916,713 km (0.085 R)
• M22: 21,269,975 km (0.063 R)
• M23: 21,443,359 km (0.095 R)
• M24: 21,792,969 km (0.101 R)
• M25: 25,208,588 km (0.088 R)
• M26: 27,093,820 km (0.107 R)
• M27: 28,541,628 km (0.04 R)
• M28: 32,270,953 km (0.115 R)
• M29: 35,332,773 km (0.058 R)
• M30: 36,560,224 km (0.112 R)
• M31: 49,213,960 km (0.078 R)
• M32: 51,053,265 km (0.114 R)
• M33: 52,620,453 km (0.107 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 14,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit