🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.2

Radius: 8.3

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.24 AU - 1.3 AU

Year: 924 Days

Day: 9.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,572,729 km

• M1: 103,522 km (0.114 R)
• M2: 475,272 km (0.111 R)
• M3: 805,734 km (0.112 R)
• M4: 1,254,528 km (0.116 R)
• M5: 2,114,865 km (0.115 R)
• M6: 2,379,205 km (0.093 R)
• M7: 2,701,738 km (0.115 R)
• M8: 3,435,366 km (0.103 R)
• M9: 5,465,708 km (0.095 R)
• M10: 6,262,765 km (0.106 R)
• M11: 6,611,328 km (0.066 R)
• M12: 7,276,141 km (0.045 R)
• M13: 9,313,664 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.1

Radius: 8.7

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.34 AU - 1.58 AU

Year: 1139 Days

Day: 12.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,572,729 km

• M1: 108,159 km (0.113 R)
• M2: 477,516 km (0.101 R)
• M3: 768,484 km (0.11 R)
• M4: 1,074,113 km (0.069 R)
• M5: 1,730,698 km (0.109 R)
• M6: 2,191,908 km (0.065 R)
• M7: 3,288,012 km (0.109 R)
• M8: 3,677,564 km (0.117 R)
• M9: 4,081,030 km (0.117 R)
• M10: 5,170,701 km (0.107 R)
• M11: 6,063,351 km (0.116 R)
• M12: 6,489,107 km (0.114 R)
• M13: 7,325,658 km (0.106 R)
• M14: 7,679,756 km (0.119 R)
• M15: 9,182,766 km (0.106 R)
• M16: 9,505,449 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.7

Radius: 11.2

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.35 AU - 1.95 AU

Year: 1368 Days

Day: 5.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,572,729 km

• M1: 139,276 km (0.05 R)
• M2: 500,106 km (0.078 R)
• M3: 849,267 km (0.091 R)
• M4: 1,252,134 km (0.087 R)
• M5: 1,682,826 km (0.061 R)
• M6: 2,393,117 km (0.12 R)
• M7: 2,811,692 km (0.115 R)
• M8: 3,441,200 km (0.066 R)
• M9: 4,231,226 km (0.097 R)
• M10: 4,924,014 km (0.055 R)
• M11: 6,723,826 km (0.098 R)
• M12: 7,436,660 km (0.065 R)
• M13: 8,117,928 km (0.069 R)
• M14: 8,613,546 km (0.077 R)
• M15: 9,246,644 km (0.097 R)
• M16: 10,097,108 km (0.087 R)
• M17: 11,435,560 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.4

Radius: 10.2

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.07 AU - 2.75 AU

Year: 2416 Days

Day: 12.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,572,729 km

• M1: 126,859 km (0.058 R)
• M2: 691,142 km (0.111 R)
• M3: 1,018,313 km (0.072 R)
• M4: 1,380,639 km (0.05 R)
• M5: 2,090,032 km (0.029 R)
• M6: 2,414,659 km (0.113 R)
• M7: 2,831,289 km (0.027 R)
• M8: 3,975,264 km (0.096 R)
• M9: 4,398,177 km (0.069 R)
• M10: 6,297,023 km (0.07 R)
• M11: 6,686,426 km (0.076 R)
• M12: 7,064,161 km (0.111 R)
• M13: 8,162,209 km (0.107 R)
• M14: 8,562,982 km (0.031 R)
• M15: 8,976,770 km (0.114 R)
• M16: 9,504,252 km (0.115 R)
• M17: 10,017,522 km (0.109 R)
• M18: 10,877,112 km (0.068 R)
• M19: 11,400,854 km (0.11 R)
• M20: 13,240,908 km (0.108 R)
• M21: 14,949,315 km (0.112 R)
• M22: 15,550,250 km (0.051 R)
• M23: 15,927,835 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.8

Radius: 9.5

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.34 AU - 2.76 AU

Year: 2629 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 52,572,729 km

• M1: 118,182 km (0.111 R)
• M2: 776,114 km (0.09 R)
• M3: 1,114,205 km (0.081 R)
• M4: 1,637,049 km (0.112 R)
• M5: 2,020,618 km (0.092 R)
• M6: 2,395,062 km (0.115 R)
• M7: 3,472,615 km (0.066 R)
• M8: 3,822,076 km (0.078 R)
• M9: 5,013,922 km (0.033 R)
• M10: 7,014,495 km (0.099 R)
• M11: 8,378,229 km (0.111 R)
• M12: 9,009,831 km (0.07 R)
• M13: 9,322,939 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.6

Radius: 13.7

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.04 AU - 5.72 AU

Year: 8057 Days

Day: 9.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,572,729 km

• M1: 195,375 km (0.037 R)
• M2: 2,220,182 km (0.119 R)
• M3: 3,346,953 km (0.087 R)
• M4: 5,102,783 km (0.044 R)
• M5: 5,711,647 km (0.1 R)
• M6: 6,900,351 km (0.038 R)
• M7: 9,179,176 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.6

Radius: 9

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.02 AU - 6.16 AU

Year: 8534 Days

Day: 7.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,572,729 km

• M1: 112,049 km (0.086 R)
• M2: 446,849 km (0.073 R)
• M3: 1,185,862 km (0.105 R)
• M4: 1,856,360 km (0.112 R)
• M5: 3,170,876 km (0.109 R)
• M6: 7,011,652 km (0.113 R)
• M7: 7,589,698 km (0.101 R)
• M8: 7,970,874 km (0.111 R)
• M9: 9,263,250 km (0.113 R)
• M10: 11,831,097 km (0.09 R)
• M11: 12,872,149 km (0.101 R)
• M12: 17,707,601 km (0.095 R)
• M13: 18,549,837 km (0.119 R)
• M14: 20,012,455 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932

Radius: 5.6

Gravity: 29.72 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.73 AU - 6.57 AU

Year: 9848 Days

Day: 15.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,572,729 km

• M1: 69,713 km (0.076 R)
• M2: 323,131 km (0.098 R)
• M3: 628,760 km (0.042 R)
• M4: 899,831 km (0.081 R)
• M5: 1,285,046 km (0.083 R)
• M6: 1,559,259 km (0.075 R)
• M7: 1,922,333 km (0.081 R)
• M8: 2,151,517 km (0.037 R)
• M9: 2,418,549 km (0.089 R)
• M10: 2,882,901 km (0.114 R)
• M11: 3,160,105 km (0.091 R)
• M12: 3,714,814 km (0.064 R)
• M13: 5,696,537 km (0.099 R)
• M14: 6,791,295 km (0.074 R)
• M15: 8,245,535 km (0.073 R)
• M16: 8,948,496 km (0.037 R)
• M17: 10,580,908 km (0.118 R)
• M18: 11,811,949 km (0.052 R)
• M19: 12,222,894 km (0.034 R)
• M20: 15,027,256 km (0.075 R)
• M21: 15,440,146 km (0.092 R)
• M22: 16,288,665 km (0.056 R)
• M23: 18,388,720 km (0.112 R)
• M24: 21,518,158 km (0.089 R)
• M25: 22,397,045 km (0.115 R)
• M26: 23,299,719 km (0.11 R)
• M27: 30,745,953 km (0.103 R)
• M28: 35,242,566 km (0.083 R)
• M29: 37,082,619 km (0.113 R)
• M30: 38,985,803 km (0.112 R)
• M31: 41,086,606 km (0.097 R)
• M32: 43,261,610 km (0.08 R)
• M33: 45,798,939 km (0.061 R)
• M34: 50,398,326 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 13,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit