🌌 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: 85

Radius: 10.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.55 AU - 0.57 AU

Year: 289 Days

Day: 6.1 Hours

Environment

Temp: -136 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,172,075 km

• M1: 127,158 km (0.115 R)
• M2: 459,714 km (0.12 R)
• M3: 913,744 km (0.114 R)
• M4: 1,269,338 km (0.088 R)
• M5: 1,739,524 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.2

Radius: 12.1

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.91 AU - 0.93 AU

Year: 609 Days

Day: 11.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,172,075 km

• M1: 150,495 km (0.077 R)
• M2: 701,315 km (0.118 R)
• M3: 1,209,349 km (0.099 R)
• M4: 2,106,338 km (0.118 R)
• M5: 3,186,883 km (0.112 R)
• M6: 3,744,883 km (0.096 R)
• M7: 4,589,962 km (0.114 R)
• M8: 5,763,258 km (0.078 R)
• M9: 6,975,300 km (0.097 R)
• M10: 7,505,176 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.4

Radius: 14.4

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.5 AU - 1.76 AU

Year: 1436 Days

Day: 6.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,172,075 km

• M1: 179,817 km (0.076 R)
• M2: 877,242 km (0.079 R)
• M3: 3,545,320 km (0.116 R)
• M4: 4,974,129 km (0.111 R)
• M5: 6,615,966 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.9

Radius: 9.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.2 AU - 2.24 AU

Year: 2283 Days

Day: 10.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,172,075 km

• M1: 114,742 km (0.073 R)
• M2: 655,089 km (0.05 R)
• M3: 2,343,451 km (0.069 R)
• M4: 3,045,813 km (0.098 R)
• M5: 3,670,234 km (0.099 R)
• M6: 4,681,516 km (0.069 R)
• M7: 5,243,405 km (0.1 R)
• M8: 7,026,911 km (0.067 R)
• M9: 7,879,769 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.4

Radius: 14.6

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.12 AU - 2.56 AU

Year: 2471 Days

Day: 11.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 119.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,172,075 km

• M1: 181,612 km (0.098 R)
• M2: 688,599 km (0.066 R)
• M3: 1,181,823 km (0.118 R)
• M4: 1,764,507 km (0.119 R)
• M5: 3,251,959 km (0.117 R)
• M6: 3,844,216 km (0.085 R)
• M7: 5,015,269 km (0.087 R)
• M8: 5,860,796 km (0.085 R)
• M9: 6,970,214 km (0.119 R)
• M10: 8,215,466 km (0.052 R)
• M11: 8,976,471 km (0.059 R)
• M12: 10,411,563 km (0.074 R)
• M13: 11,912,329 km (0.09 R)
• M14: 12,671,538 km (0.085 R)
• M15: 17,707,601 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.5

Radius: 14.7

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.07 AU - 3.13 AU

Year: 2894 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,172,075 km

• M1: 182,809 km (0.096 R)
• M2: 730,935 km (0.112 R)
• M3: 1,297,762 km (0.099 R)
• M4: 2,607,790 km (0.112 R)
• M5: 3,099,518 km (0.097 R)
• M6: 3,783,779 km (0.082 R)
• M7: 4,253,666 km (0.065 R)
• M8: 4,851,609 km (0.117 R)
• M9: 6,324,400 km (0.056 R)
• M10: 7,048,304 km (0.108 R)
• M11: 9,102,432 km (0.089 R)
• M12: 10,174,600 km (0.072 R)
• M13: 11,091,635 km (0.091 R)
• M14: 12,871,999 km (0.12 R)
• M15: 13,944,915 km (0.061 R)
• M16: 14,598,059 km (0.091 R)
• M17: 15,125,392 km (0.111 R)
• M18: 17,098,438 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.6

Radius: 13.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.81 AU - 5.77 AU

Year: 7236 Days

Day: 7.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,172,075 km

• M1: 165,455 km (0.062 R)
• M2: 666,159 km (0.097 R)
• M3: 1,308,084 km (0.027 R)
• M4: 2,957,999 km (0.09 R)
• M5: 4,712,782 km (0.056 R)
• M6: 5,719,875 km (0.068 R)
• M7: 6,217,886 km (0.055 R)
• M8: 6,684,781 km (0.096 R)
• M9: 8,057,042 km (0.107 R)
• M10: 9,083,732 km (0.112 R)
• M11: 9,609,718 km (0.058 R)
• M12: 13,015,763 km (0.094 R)
• M13: 13,539,804 km (0.08 R)
• M14: 14,377,552 km (0.071 R)
• M15: 16,595,640 km (0.074 R)
• M16: 18,019,363 km (0.063 R)
• M17: 20,592,596 km (0.092 R)
• M18: 22,303,098 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.6

Radius: 6.1

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.71 AU - 7.53 AU

Year: 10451 Days

Day: 18.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,172,075 km

• M1: 75,846 km (0.11 R)
• M2: 544,985 km (0.096 R)
• M3: 1,251,087 km (0.098 R)
• M4: 1,584,541 km (0.063 R)
• M5: 2,305,303 km (0.109 R)
• M6: 2,748,861 km (0.081 R)
• M7: 3,313,892 km (0.098 R)
• M8: 3,518,542 km (0.066 R)
• M9: 4,728,789 km (0.084 R)
• M10: 5,288,883 km (0.081 R)
• M11: 5,664,823 km (0.093 R)
• M12: 6,470,108 km (0.103 R)
• M13: 7,273,000 km (0.042 R)
• M14: 8,181,508 km (0.08 R)
• M15: 10,079,306 km (0.099 R)
• M16: 10,954,304 km (0.055 R)
• M17: 11,826,160 km (0.071 R)
• M18: 12,252,215 km (0.111 R)
• M19: 12,910,147 km (0.09 R)
• M20: 13,882,383 km (0.072 R)
• M21: 15,087,544 km (0.089 R)
• M22: 15,525,267 km (0.113 R)
• M23: 16,100,620 km (0.059 R)
• M24: 17,773,274 km (0.115 R)
• M25: 19,192,210 km (0.07 R)
• M26: 19,558,426 km (0.078 R)
• M27: 23,564,208 km (0.106 R)
• M28: 24,409,137 km (0.072 R)
• M29: 27,525,111 km (0.111 R)
• M30: 28,842,469 km (0.11 R)
• M31: 31,602,251 km (0.101 R)
• M32: 32,112,978 km (0.077 R)
• M33: 33,784,136 km (0.052 R)
• M34: 38,793,720 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569

Radius: 5.8

Gravity: 16.91 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.42 AU - 9.98 AU

Year: 16208 Days

Day: 17.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,172,075 km

• M1: 73,153 km (0.115 R)
• M2: 298,897 km (0.086 R)
• M3: 584,030 km (0.105 R)
• M4: 788,979 km (0.103 R)
• M5: 1,294,470 km (0.064 R)
• M6: 2,243,519 km (0.111 R)
• M7: 2,873,925 km (0.102 R)
• M8: 3,269,013 km (0.066 R)
• M9: 3,727,530 km (0.117 R)
• M10: 4,016,852 km (0.118 R)
• M11: 4,228,085 km (0.097 R)
• M12: 5,398,239 km (0.102 R)
• M13: 8,407,101 km (0.113 R)
• M14: 8,753,570 km (0.072 R)
• M15: 9,006,989 km (0.112 R)
• M16: 12,125,955 km (0.087 R)
• M17: 13,687,906 km (0.096 R)
• M18: 13,960,623 km (0.077 R)
• M19: 19,771,154 km (0.116 R)
• M20: 20,650,490 km (0.114 R)
• M21: 21,099,732 km (0.113 R)
• M22: 22,204,662 km (0.105 R)
• M23: 22,581,350 km (0.058 R)
• M24: 24,830,703 km (0.069 R)
• M25: 25,441,063 km (0.102 R)
• M26: 31,274,931 km (0.098 R)
• M27: 31,510,996 km (0.11 R)
• M28: 35,708,563 km (0.11 R)
• M29: 36,616,772 km (0.112 R)
• M30: 37,673,381 km (0.1 R)
• M31: 41,389,692 km (0.101 R)
• M32: 43,116,949 km (0.12 R)
• M33: 46,560,991 km (0.111 R)
• M34: 48,744,671 km (0.099 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 16,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit