🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.1

Radius: 9.3

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.99 AU - 1.07 AU

Year: 722 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,421,678 km

• M1: 115,639 km (0.084 R)
• M2: 424,858 km (0.051 R)
• M3: 901,926 km (0.086 R)
• M4: 1,223,711 km (0.071 R)
• M5: 1,651,261 km (0.109 R)
• M6: 1,976,637 km (0.066 R)
• M7: 2,390,724 km (0.118 R)
• M8: 2,759,034 km (0.054 R)
• M9: 3,210,071 km (0.073 R)
• M10: 3,810,557 km (0.111 R)
• M11: 4,849,514 km (0.108 R)
• M12: 5,574,166 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.9

Radius: 12.2

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.3 AU - 1.46 AU

Year: 1119 Days

Day: 9.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,421,678 km

• M1: 151,692 km (0.119 R)
• M2: 590,612 km (0.08 R)
• M3: 1,027,139 km (0.094 R)
• M4: 1,641,537 km (0.085 R)
• M5: 2,176,200 km (0.101 R)
• M6: 2,624,096 km (0.109 R)
• M7: 3,509,716 km (0.061 R)
• M8: 4,336,393 km (0.106 R)
• M9: 4,824,232 km (0.108 R)
• M10: 6,173,455 km (0.106 R)
• M11: 6,581,858 km (0.112 R)
• M12: 7,682,748 km (0.091 R)
• M13: 8,593,051 km (0.096 R)
• M14: 10,029,640 km (0.086 R)
• M15: 10,563,704 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.8

Radius: 11.6

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.73 AU - 2.05 AU

Year: 1794 Days

Day: 5.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,421,678 km

• M1: 144,212 km (0.075 R)
• M2: 521,947 km (0.079 R)
• M3: 992,731 km (0.029 R)
• M4: 2,161,689 km (0.117 R)
• M5: 2,544,061 km (0.105 R)
• M6: 4,047,670 km (0.077 R)
• M7: 6,075,918 km (0.115 R)
• M8: 6,453,503 km (0.082 R)
• M9: 7,103,655 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.9

Radius: 5.1

Gravity: 15.03 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.67 AU - 6.27 AU

Year: 10069 Days

Day: 24.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 105.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,421,678 km

• M1: 63,429 km (0.087 R)
• M2: 229,782 km (0.071 R)
• M3: 574,306 km (0.119 R)
• M4: 831,016 km (0.094 R)
• M5: 1,321,697 km (0.108 R)
• M6: 1,715,140 km (0.109 R)
• M7: 2,975,801 km (0.059 R)
• M8: 4,021,340 km (0.111 R)
• M9: 4,230,029 km (0.112 R)
• M10: 4,841,585 km (0.112 R)
• M11: 6,697,945 km (0.066 R)
• M12: 7,103,954 km (0.07 R)
• M13: 7,683,945 km (0.112 R)
• M14: 7,884,107 km (0.111 R)
• M15: 11,475,653 km (0.102 R)
• M16: 11,843,215 km (0.107 R)
• M17: 13,858,597 km (0.106 R)
• M18: 16,685,249 km (0.069 R)
• M19: 17,706,853 km (0.084 R)
• M20: 18,056,463 km (0.054 R)
• M21: 18,697,191 km (0.108 R)
• M22: 20,480,248 km (0.12 R)
• M23: 21,098,835 km (0.107 R)
• M24: 25,074,847 km (0.118 R)
• M25: 25,250,625 km (0.067 R)
• M26: 27,517,032 km (0.108 R)
• M27: 28,555,840 km (0.059 R)
• M28: 33,078,632 km (0.118 R)
• M29: 36,345,102 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.9

Radius: 3.9

Gravity: 50.16 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 8.05 AU - 10.71 AU

Year: 19830 Days

Day: 17.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,421,678 km

• M1: 51,312 km (0.057 R)
• M2: 323,730 km (0.066 R)
• M3: 521,049 km (0.072 R)
• M4: 763,996 km (0.109 R)
• M5: 1,317,658 km (0.061 R)
• M6: 1,608,327 km (0.084 R)
• M7: 1,787,395 km (0.063 R)
• M8: 1,999,824 km (0.073 R)
• M9: 3,554,894 km (0.077 R)
• M10: 4,148,499 km (0.086 R)
• M11: 5,178,031 km (0.051 R)
• M12: 5,980,324 km (0.084 R)
• M13: 7,578,030 km (0.099 R)
• M14: 9,269,084 km (0.076 R)
• M15: 10,691,311 km (0.083 R)
• M16: 13,016,810 km (0.109 R)
• M17: 18,999,528 km (0.074 R)
• M18: 20,401,559 km (0.097 R)
• M19: 22,889,073 km (0.061 R)
• M20: 24,800,485 km (0.048 R)
• M21: 37,815,799 km (0.105 R)
• M22: 38,836,505 km (0.045 R)
• M23: 41,853,744 km (0.076 R)
• M24: 43,577,860 km (0.106 R)
• M25: 47,335,010 km (0.093 R)
• M26: 49,033,844 km (0.068 R)
• M27: 49,724,537 km (0.084 R)
• M28: 52,193,201 km (0.051 R)
• M29: 52,913,216 km (0.104 R)
• M30: 57,373,177 km (0.094 R)
• M31: 57,755,848 km (0.072 R)
• M32: 58,526,128 km (0.102 R)
• M33: 59,108,213 km (0.088 R)
• M34: 61,076,771 km (0.095 R)
• M35: 68,955,643 km (0.063 R)
• M36: 74,038,679 km (0.106 R)
• M37: 74,265,320 km (0.11 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 17,607 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit