🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.3

Radius: 14.8

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.32 AU - 1.42 AU

Year: 1035 Days

Day: 5.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,266,334 km

• M1: 184,005 km (0.096 R)
• M2: 714,479 km (0.097 R)
• M3: 1,203,664 km (0.118 R)
• M4: 1,698,983 km (0.06 R)
• M5: 2,495,741 km (0.093 R)
• M6: 4,681,815 km (0.106 R)
• M7: 5,468,401 km (0.104 R)
• M8: 6,256,931 km (0.082 R)
• M9: 7,911,334 km (0.116 R)
• M10: 8,497,009 km (0.069 R)
• M11: 9,249,038 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.6

Radius: 10.4

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.36 AU - 2.02 AU

Year: 1419 Days

Day: 5.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,266,334 km

• M1: 129,402 km (0.097 R)
• M2: 503,696 km (0.098 R)
• M3: 895,044 km (0.092 R)
• M4: 1,305,541 km (0.113 R)
• M5: 1,719,478 km (0.071 R)
• M6: 2,519,677 km (0.12 R)
• M7: 2,975,502 km (0.12 R)
• M8: 3,788,117 km (0.079 R)
• M9: 4,293,758 km (0.082 R)
• M10: 4,782,943 km (0.115 R)
• M11: 5,265,396 km (0.073 R)
• M12: 6,254,687 km (0.086 R)
• M13: 6,652,917 km (0.09 R)
• M14: 7,228,270 km (0.043 R)
• M15: 7,751,563 km (0.082 R)
• M16: 8,270,369 km (0.056 R)
• M17: 8,873,996 km (0.099 R)
• M18: 9,867,176 km (0.119 R)
• M19: 12,035,897 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.4

Radius: 9.1

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.52 AU - 2.1 AU

Year: 1572 Days

Day: 7.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,266,334 km

• M1: 113,096 km (0.077 R)
• M2: 468,840 km (0.061 R)
• M3: 823,387 km (0.03 R)
• M4: 1,111,811 km (0.049 R)
• M5: 1,443,171 km (0.096 R)
• M6: 2,066,395 km (0.118 R)
• M7: 2,371,874 km (0.085 R)
• M8: 3,910,638 km (0.099 R)
• M9: 4,400,721 km (0.116 R)
• M10: 4,992,679 km (0.119 R)
• M11: 5,886,377 km (0.076 R)
• M12: 6,408,025 km (0.097 R)
• M13: 6,986,071 km (0.048 R)
• M14: 8,568,667 km (0.11 R)
• M15: 9,619,293 km (0.047 R)
• M16: 10,822,957 km (0.113 R)
• M17: 11,174,363 km (0.027 R)
• M18: 12,657,326 km (0.047 R)
• M19: 13,008,283 km (0.076 R)
• M20: 13,567,031 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.6

Radius: 11.6

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.28 AU - 2.58 AU

Year: 2446 Days

Day: 8.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,266,334 km

• M1: 162,613 km (0.048 R)
• M2: 874,549 km (0.078 R)
• M3: 1,621,192 km (0.032 R)
• M4: 3,288,610 km (0.061 R)
• M5: 6,636,012 km (0.073 R)
• M6: 7,137,763 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.1

Radius: 11.9

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.15 AU - 4.29 AU

Year: 5597 Days

Day: 11.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,266,334 km

• M1: 148,700 km (0.077 R)
• M2: 604,076 km (0.113 R)
• M3: 1,075,609 km (0.09 R)
• M4: 1,610,421 km (0.065 R)
• M5: 2,190,562 km (0.098 R)
• M6: 3,124,052 km (0.115 R)
• M7: 5,169,055 km (0.054 R)
• M8: 6,988,465 km (0.086 R)
• M9: 8,024,131 km (0.087 R)
• M10: 9,589,672 km (0.107 R)
• M11: 12,100,972 km (0.116 R)
• M12: 12,567,268 km (0.06 R)
• M13: 12,938,271 km (0.058 R)
• M14: 14,152,108 km (0.077 R)
• M15: 17,517,312 km (0.087 R)
• M16: 18,384,531 km (0.109 R)
• M17: 19,001,473 km (0.042 R)
• M18: 20,641,065 km (0.096 R)
• M19: 21,083,875 km (0.089 R)
• M20: 22,683,824 km (0.103 R)
• M21: 25,108,058 km (0.08 R)
• M22: 25,612,801 km (0.115 R)
• M23: 27,433,108 km (0.118 R)
• M24: 28,693,620 km (0.063 R)
• M25: 32,309,400 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.5

Radius: 3.4

Gravity: 22.45 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.66 AU - 8.18 AU

Year: 13050 Days

Day: 16.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,266,334 km

• M1: 55,950 km (0.095 R)
• M2: 300,093 km (0.115 R)
• M3: 1,041,052 km (0.092 R)
• M4: 1,347,877 km (0.094 R)
• M5: 4,095,990 km (0.074 R)
• M6: 5,339,447 km (0.096 R)
• M7: 5,693,994 km (0.118 R)
• M8: 8,979,612 km (0.12 R)
• M9: 10,047,292 km (0.063 R)
• M10: 10,437,743 km (0.077 R)
• M11: 11,722,788 km (0.117 R)
• M12: 14,602,398 km (0.102 R)
• M13: 14,914,010 km (0.077 R)
• M14: 18,639,147 km (0.106 R)
• M15: 19,451,912 km (0.105 R)
• M16: 26,085,530 km (0.115 R)
• M17: 28,722,492 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.8

Radius: 3.9

Gravity: 41.87 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.38 AU - 9.16 AU

Year: 15356 Days

Day: 15.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,266,334 km

• M1: 49,068 km (0.106 R)
• M2: 317,895 km (0.114 R)
• M3: 658,231 km (0.036 R)
• M4: 835,504 km (0.103 R)
• M5: 1,092,364 km (0.109 R)
• M6: 1,534,725 km (0.075 R)
• M7: 2,145,084 km (0.111 R)
• M8: 2,345,994 km (0.108 R)
• M9: 2,670,621 km (0.091 R)
• M10: 4,000,696 km (0.077 R)
• M11: 4,212,377 km (0.063 R)
• M12: 4,431,388 km (0.089 R)
• M13: 4,892,449 km (0.112 R)
• M14: 5,099,492 km (0.1 R)
• M15: 5,276,466 km (0.052 R)
• M16: 5,568,182 km (0.089 R)
• M17: 11,033,591 km (0.075 R)
• M18: 12,891,896 km (0.109 R)
• M19: 13,353,555 km (0.115 R)
• M20: 16,743,742 km (0.119 R)
• M21: 17,135,090 km (0.108 R)
• M22: 17,612,606 km (0.051 R)
• M23: 18,677,593 km (0.111 R)
• M24: 21,572,611 km (0.077 R)
• M25: 22,317,010 km (0.097 R)
• M26: 33,113,638 km (0.112 R)
• M27: 35,239,424 km (0.108 R)
• M28: 36,531,501 km (0.101 R)
• M29: 40,316,776 km (0.082 R)
• M30: 42,303,884 km (0.07 R)
• M31: 46,625,617 km (0.058 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 11,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit