🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.8

Radius: 13.5

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.48 AU - 0.58 AU

Year: 257 Days

Day: 9.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,763,621 km

• M1: 167,849 km (0.036 R)
• M2: 630,555 km (0.069 R)
• M3: 1,127,669 km (0.085 R)
• M4: 1,683,275 km (0.075 R)
• M5: 2,557,376 km (0.069 R)
• M6: 3,071,992 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.5

Radius: 12.1

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.58 AU - 0.74 AU

Year: 358 Days

Day: 6.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,763,621 km

• M1: 151,094 km (0.106 R)
• M2: 610,060 km (0.102 R)
• M3: 1,038,957 km (0.093 R)
• M4: 1,530,685 km (0.1 R)
• M5: 2,551,242 km (0.061 R)
• M6: 3,465,584 km (0.038 R)
• M7: 3,944,896 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.2

Radius: 12.8

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.18 AU - 3.28 AU

Year: 3871 Days

Day: 5.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,763,621 km

• M1: 159,771 km (0.096 R)
• M2: 799,900 km (0.097 R)
• M3: 1,341,295 km (0.064 R)
• M4: 2,138,801 km (0.093 R)
• M5: 2,866,894 km (0.09 R)
• M6: 4,103,769 km (0.106 R)
• M7: 4,817,949 km (0.042 R)
• M8: 6,013,834 km (0.12 R)
• M9: 6,619,107 km (0.088 R)
• M10: 7,132,228 km (0.096 R)
• M11: 7,810,954 km (0.102 R)
• M12: 8,719,461 km (0.105 R)
• M13: 9,576,208 km (0.117 R)
• M14: 10,360,550 km (0.115 R)
• M15: 12,437,268 km (0.088 R)
• M16: 13,071,413 km (0.081 R)
• M17: 13,472,335 km (0.073 R)
• M18: 14,246,205 km (0.088 R)
• M19: 15,379,110 km (0.065 R)
• M20: 16,339,379 km (0.096 R)
• M21: 18,131,262 km (0.117 R)
• M22: 18,820,011 km (0.115 R)
• M23: 19,267,308 km (0.107 R)
• M24: 19,918,657 km (0.071 R)
• M25: 22,888,325 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.6

Radius: 9.8

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.17 AU - 4.33 AU

Year: 4843 Days

Day: 11.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 83.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,763,621 km

• M1: 121,922 km (0.092 R)
• M2: 954,734 km (0.03 R)
• M3: 1,381,686 km (0.113 R)
• M4: 1,689,708 km (0.07 R)
• M5: 2,058,317 km (0.117 R)
• M6: 3,241,935 km (0.115 R)
• M7: 4,409,846 km (0.065 R)
• M8: 4,932,840 km (0.094 R)
• M9: 5,303,993 km (0.04 R)
• M10: 5,837,758 km (0.104 R)
• M11: 6,562,859 km (0.12 R)
• M12: 7,245,474 km (0.109 R)
• M13: 9,497,969 km (0.097 R)
• M14: 11,710,372 km (0.105 R)
• M15: 13,011,125 km (0.111 R)
• M16: 14,728,808 km (0.088 R)
• M17: 15,445,232 km (0.114 R)
• M18: 16,358,677 km (0.119 R)
• M19: 18,608,479 km (0.098 R)
• M20: 20,510,466 km (0.039 R)
• M21: 23,194,252 km (0.059 R)
• M22: 23,564,058 km (0.054 R)
• M23: 25,786,634 km (0.12 R)
• M24: 26,746,005 km (0.084 R)
• M25: 27,563,557 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.5

Radius: 6.9

Gravity: 20.7 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.17 AU - 6.55 AU

Year: 10696 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,763,621 km

• M1: 86,168 km (0.096 R)
• M2: 551,567 km (0.106 R)
• M3: 800,648 km (0.081 R)
• M4: 1,161,328 km (0.057 R)
• M5: 1,463,965 km (0.09 R)
• M6: 1,802,056 km (0.119 R)
• M7: 2,406,282 km (0.058 R)
• M8: 3,137,815 km (0.089 R)
• M9: 3,729,475 km (0.082 R)
• M10: 3,980,351 km (0.115 R)
• M11: 4,833,956 km (0.096 R)
• M12: 6,103,593 km (0.097 R)
• M13: 8,738,909 km (0.053 R)
• M14: 9,283,595 km (0.078 R)
• M15: 10,997,388 km (0.028 R)
• M16: 11,340,865 km (0.105 R)
• M17: 12,723,598 km (0.077 R)
• M18: 15,038,176 km (0.095 R)
• M19: 16,929,393 km (0.108 R)
• M20: 25,186,148 km (0.101 R)
• M21: 29,126,257 km (0.058 R)
• M22: 30,339,196 km (0.067 R)
• M23: 30,675,791 km (0.106 R)
• M24: 34,666,165 km (0.094 R)
• M25: 38,462,959 km (0.086 R)
• M26: 39,921,837 km (0.097 R)
• M27: 40,732,957 km (0.056 R)
• M28: 42,527,982 km (0.115 R)
• M29: 43,658,493 km (0.104 R)
• M30: 48,687,076 km (0.047 R)
• M31: 49,924,101 km (0.114 R)
• M32: 50,865,370 km (0.068 R)
• M33: 52,299,416 km (0.1 R)
• M34: 52,783,365 km (0.059 R)
• M35: 55,582,341 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.8

Radius: 3.3

Gravity: 67.38 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.73 AU - 9.33 AU

Year: 15174 Days

Day: 21.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,763,621 km

• M1: 41,139 km (0.033 R)
• M2: 234,270 km (0.037 R)
• M3: 543,489 km (0.098 R)
• M4: 891,753 km (0.091 R)
• M5: 1,114,205 km (0.111 R)
• M6: 1,272,928 km (0.114 R)
• M7: 1,719,628 km (0.043 R)
• M8: 2,222,127 km (0.096 R)
• M9: 3,592,443 km (0.12 R)
• M10: 3,939,660 km (0.104 R)
• M11: 5,151,103 km (0.104 R)
• M12: 8,881,626 km (0.055 R)
• M13: 12,090,350 km (0.11 R)
• M14: 13,743,407 km (0.095 R)
• M15: 14,021,060 km (0.093 R)
• M16: 14,161,383 km (0.094 R)
• M17: 19,681,993 km (0.094 R)
• M18: 20,034,895 km (0.069 R)
• M19: 20,481,744 km (0.035 R)
• M20: 20,935,324 km (0.116 R)
• M21: 26,056,060 km (0.057 R)
• M22: 26,481,366 km (0.086 R)
• M23: 30,402,177 km (0.075 R)
• M24: 36,516,092 km (0.118 R)
• M25: 39,648,672 km (0.088 R)
• M26: 41,785,378 km (0.116 R)
• M27: 41,930,488 km (0.114 R)
• M28: 48,493,197 km (0.109 R)
• M29: 63,605,574 km (0.102 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 19,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit