🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.5

Radius: 10.7

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.09 AU - 1.11 AU

Year: 796 Days

Day: 12.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,696,447 km

• M1: 133,142 km (0.097 R)
• M2: 483,201 km (0.112 R)
• M3: 1,173,296 km (0.111 R)
• M4: 1,829,133 km (0.06 R)
• M5: 2,179,940 km (0.091 R)
• M6: 2,546,754 km (0.062 R)
• M7: 2,891,128 km (0.101 R)
• M8: 3,278,288 km (0.078 R)
• M9: 4,267,878 km (0.06 R)
• M10: 4,697,822 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.5

Radius: 9.7

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.11 AU - 1.27 AU

Year: 896 Days

Day: 5.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,696,447 km

• M1: 130,449 km (0.09 R)
• M2: 1,640,640 km (0.061 R)
• M3: 2,095,717 km (0.117 R)
• M4: 3,184,191 km (0.074 R)
• M5: 3,638,968 km (0.072 R)
• M6: 3,985,736 km (0.09 R)
• M7: 5,395,995 km (0.083 R)
• M8: 6,916,059 km (0.058 R)
• M9: 7,269,409 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.9

Radius: 13.4

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.01 AU - 2.01 AU

Year: 1967 Days

Day: 6.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,696,447 km

• M1: 166,652 km (0.049 R)
• M2: 757,863 km (0.116 R)
• M3: 1,304,942 km (0.078 R)
• M4: 1,754,185 km (0.087 R)
• M5: 2,783,717 km (0.072 R)
• M6: 5,029,480 km (0.061 R)
• M7: 5,987,206 km (0.114 R)
• M8: 6,430,315 km (0.087 R)
• M9: 7,184,887 km (0.094 R)
• M10: 8,591,705 km (0.109 R)
• M11: 9,099,290 km (0.112 R)
• M12: 10,679,493 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.6

Radius: 11.7

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.81 AU - 2.35 AU

Year: 2071 Days

Day: 9.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,696,447 km

• M1: 150,495 km (0.092 R)
• M2: 586,872 km (0.099 R)
• M3: 1,060,051 km (0.096 R)
• M4: 2,385,936 km (0.071 R)
• M5: 3,487,575 km (0.093 R)
• M6: 3,855,287 km (0.052 R)
• M7: 5,881,590 km (0.11 R)
• M8: 6,535,183 km (0.059 R)
• M9: 6,906,784 km (0.028 R)
• M10: 7,405,394 km (0.061 R)
• M11: 10,918,999 km (0.079 R)
• M12: 13,329,918 km (0.11 R)
• M13: 15,743,381 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.2

Radius: 8.2

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.29 AU - 2.53 AU

Year: 2582 Days

Day: 9.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,696,447 km

• M1: 102,175 km (0.107 R)
• M2: 375,191 km (0.118 R)
• M3: 658,081 km (0.032 R)
• M4: 1,016,368 km (0.073 R)
• M5: 1,274,574 km (0.114 R)
• M6: 1,688,810 km (0.088 R)
• M7: 2,069,687 km (0.115 R)
• M8: 2,477,042 km (0.071 R)
• M9: 2,953,960 km (0.095 R)
• M10: 3,742,939 km (0.041 R)
• M11: 5,192,392 km (0.061 R)
• M12: 6,056,619 km (0.108 R)
• M13: 6,422,237 km (0.05 R)
• M14: 7,737,651 km (0.077 R)
• M15: 8,407,101 km (0.082 R)
• M16: 9,005,941 km (0.093 R)
• M17: 10,809,942 km (0.104 R)
• M18: 14,562,455 km (0.12 R)
• M19: 16,538,942 km (0.113 R)
• M20: 17,761,456 km (0.034 R)
• M21: 18,220,572 km (0.073 R)
• M22: 18,628,824 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 14

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.39 AU - 2.51 AU

Year: 2647 Days

Day: 9.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 133.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,696,447 km

• M1: 176,077 km (0.081 R)
• M2: 640,129 km (0.053 R)
• M3: 2,360,804 km (0.092 R)
• M4: 3,849,153 km (0.083 R)
• M5: 4,745,244 km (0.077 R)
• M6: 6,038,219 km (0.102 R)
• M7: 6,767,209 km (0.065 R)
• M8: 7,985,086 km (0.074 R)
• M9: 10,217,086 km (0.096 R)
• M10: 10,673,509 km (0.117 R)
• M11: 12,086,461 km (0.115 R)
• M12: 14,131,464 km (0.091 R)
• M13: 14,610,775 km (0.092 R)
• M14: 15,281,871 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.8

Radius: 14.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.04 AU - 4.7 AU

Year: 6306 Days

Day: 11.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,696,447 km

• M1: 185,352 km (0.11 R)
• M2: 817,852 km (0.043 R)
• M3: 1,286,691 km (0.115 R)
• M4: 2,000,572 km (0.111 R)
• M5: 2,535,834 km (0.116 R)
• M6: 3,309,703 km (0.074 R)
• M7: 3,879,073 km (0.044 R)
• M8: 4,883,922 km (0.078 R)
• M9: 5,448,354 km (0.095 R)
• M10: 6,087,736 km (0.068 R)
• M11: 7,229,467 km (0.049 R)
• M12: 8,954,779 km (0.087 R)
• M13: 11,419,703 km (0.112 R)
• M14: 11,962,295 km (0.033 R)
• M15: 15,410,077 km (0.098 R)
• M16: 17,783,746 km (0.076 R)
• M17: 19,264,466 km (0.106 R)
• M18: 20,177,312 km (0.087 R)
• M19: 20,680,709 km (0.114 R)
• M20: 22,089,472 km (0.056 R)
• M21: 24,850,749 km (0.079 R)
• M22: 25,512,870 km (0.058 R)
• M23: 27,746,366 km (0.049 R)
• M24: 29,828,469 km (0.085 R)
• M25: 32,995,157 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.3

Radius: 13.8

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.53 AU - 6.27 AU

Year: 8662 Days

Day: 13.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,696,447 km

• M1: 171,589 km (0.109 R)
• M2: 655,987 km (0.084 R)
• M3: 1,331,271 km (0.102 R)
• M4: 2,542,117 km (0.108 R)
• M5: 3,436,113 km (0.065 R)
• M6: 4,502,597 km (0.066 R)
• M7: 5,746,503 km (0.085 R)
• M8: 6,720,086 km (0.066 R)
• M9: 7,246,670 km (0.067 R)
• M10: 9,129,210 km (0.097 R)
• M11: 11,319,173 km (0.112 R)
• M12: 12,452,976 km (0.085 R)
• M13: 18,040,157 km (0.083 R)
• M14: 18,765,407 km (0.089 R)
• M15: 19,359,610 km (0.07 R)
• M16: 20,274,401 km (0.089 R)
• M17: 21,538,653 km (0.084 R)
• M18: 25,376,287 km (0.087 R)
• M19: 26,750,792 km (0.09 R)
• M20: 28,855,784 km (0.106 R)
• M21: 40,564,360 km (0.112 R)
• M22: 41,683,951 km (0.031 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: 262 - 11,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit