🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.7

Radius: 8

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.71 AU - 0.85 AU

Year: 459 Days

Day: 8.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,075,656 km

• M1: 99,483 km (0.093 R)
• M2: 356,043 km (0.108 R)
• M3: 760,556 km (0.111 R)
• M4: 1,021,005 km (0.089 R)
• M5: 1,499,120 km (0.037 R)
• M6: 1,801,009 km (0.115 R)
• M7: 2,143,438 km (0.056 R)
• M8: 2,483,923 km (0.061 R)
• M9: 2,909,828 km (0.101 R)
• M10: 3,518,542 km (0.115 R)
• M11: 4,326,370 km (0.026 R)
• M12: 4,662,666 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.1

Radius: 13.5

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.91 AU - 1.13 AU

Year: 687 Days

Day: 8.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,075,656 km

• M1: 167,849 km (0.086 R)
• M2: 687,253 km (0.06 R)
• M3: 1,449,903 km (0.109 R)
• M4: 1,938,190 km (0.115 R)
• M5: 2,655,362 km (0.076 R)
• M6: 3,346,654 km (0.102 R)
• M7: 4,080,880 km (0.098 R)
• M8: 4,526,532 km (0.082 R)
• M9: 5,090,816 km (0.115 R)
• M10: 7,558,432 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.4

Radius: 10.6

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.06 AU - 1.56 AU

Year: 1000 Days

Day: 9.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,075,656 km

• M1: 131,945 km (0.105 R)
• M2: 574,905 km (0.11 R)
• M3: 993,330 km (0.098 R)
• M4: 1,348,774 km (0.116 R)
• M5: 1,736,233 km (0.103 R)
• M6: 2,424,682 km (0.094 R)
• M7: 2,783,867 km (0.088 R)
• M8: 3,741,892 km (0.105 R)
• M9: 4,340,881 km (0.071 R)
• M10: 4,874,647 km (0.073 R)
• M11: 5,642,383 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.8

Radius: 12.9

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.17 AU - 1.79 AU

Year: 1201 Days

Day: 8.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,075,656 km

• M1: 160,668 km (0.093 R)
• M2: 1,102,836 km (0.09 R)
• M3: 1,877,304 km (0.094 R)
• M4: 3,409,335 km (0.082 R)
• M5: 5,024,095 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.2

Radius: 9

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.93 AU - 2.95 AU

Year: 2542 Days

Day: 7.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,075,656 km

• M1: 123,269 km (0.119 R)
• M2: 481,406 km (0.066 R)
• M3: 918,531 km (0.108 R)
• M4: 1,287,888 km (0.063 R)
• M5: 1,609,673 km (0.083 R)
• M6: 2,222,276 km (0.053 R)
• M7: 2,675,109 km (0.117 R)
• M8: 3,295,342 km (0.11 R)
• M9: 3,825,966 km (0.118 R)
• M10: 4,412,389 km (0.084 R)
• M11: 4,820,343 km (0.116 R)
• M12: 5,302,796 km (0.05 R)
• M13: 6,005,158 km (0.115 R)
• M14: 6,308,393 km (0.056 R)
• M15: 7,218,845 km (0.079 R)
• M16: 7,786,420 km (0.117 R)
• M17: 9,153,894 km (0.11 R)
• M18: 10,279,767 km (0.113 R)
• M19: 11,411,475 km (0.105 R)
• M20: 14,307,092 km (0.118 R)
• M21: 16,776,653 km (0.086 R)
• M22: 17,104,123 km (0.111 R)
• M23: 17,435,931 km (0.088 R)
• M24: 18,341,447 km (0.095 R)
• M25: 19,879,612 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494

Radius: 14.7

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.01 AU - 6.13 AU

Year: 8766 Days

Day: 11.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,075,656 km

• M1: 182,809 km (0.118 R)
• M2: 678,576 km (0.036 R)
• M3: 1,199,177 km (0.1 R)
• M4: 1,848,730 km (0.054 R)
• M5: 2,350,183 km (0.047 R)
• M6: 2,824,857 km (0.083 R)
• M7: 4,097,635 km (0.09 R)
• M8: 4,964,854 km (0.097 R)
• M9: 6,526,656 km (0.105 R)
• M10: 7,440,400 km (0.075 R)
• M11: 10,122,540 km (0.118 R)
• M12: 11,398,460 km (0.076 R)
• M13: 13,338,745 km (0.107 R)
• M14: 14,810,040 km (0.075 R)
• M15: 16,063,221 km (0.115 R)
• M16: 18,283,852 km (0.103 R)
• M17: 21,790,426 km (0.041 R)
• M18: 27,809,945 km (0.069 R)
• M19: 30,007,687 km (0.102 R)
• M20: 32,318,974 km (0.031 R)
• M21: 37,407,097 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474

Radius: 7.7

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.17 AU - 8.49 AU

Year: 16032 Days

Day: 16.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,075,656 km

• M1: 111,750 km (0.056 R)
• M2: 1,354,908 km (0.118 R)
• M3: 1,942,678 km (0.064 R)
• M4: 2,823,510 km (0.083 R)
• M5: 3,534,998 km (0.075 R)
• M6: 3,806,518 km (0.07 R)
• M7: 4,360,778 km (0.106 R)
• M8: 6,507,807 km (0.099 R)
• M9: 7,786,868 km (0.083 R)
• M10: 8,533,661 km (0.069 R)
• M11: 9,900,836 km (0.107 R)
• M12: 10,223,518 km (0.11 R)
• M13: 10,497,731 km (0.117 R)
• M14: 10,889,827 km (0.098 R)
• M15: 12,935,129 km (0.118 R)
• M16: 16,314,246 km (0.112 R)
• M17: 24,166,788 km (0.077 R)
• M18: 29,338,386 km (0.082 R)
• M19: 30,116,744 km (0.11 R)
• M20: 36,334,780 km (0.097 R)
• M21: 41,245,928 km (0.105 R)
• M22: 44,366,390 km (0.12 R)
• M23: 54,000,493 km (0.039 R)
• M24: 54,665,904 km (0.089 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 11,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit