🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.2

Radius: 11.3

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.83 AU - 1.21 AU

Year: 711 Days

Day: 9.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,622,619 km

• M1: 140,772 km (0.077 R)
• M2: 554,111 km (0.119 R)
• M3: 1,136,046 km (0.107 R)
• M4: 1,580,053 km (0.063 R)
• M5: 1,936,395 km (0.099 R)
• M6: 2,794,339 km (0.099 R)
• M7: 3,151,578 km (0.084 R)
• M8: 3,578,680 km (0.097 R)
• M9: 3,987,681 km (0.093 R)
• M10: 4,612,850 km (0.101 R)
• M11: 4,965,752 km (0.111 R)
• M12: 5,546,939 km (0.068 R)
• M13: 5,909,565 km (0.106 R)
• M14: 7,157,510 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.7

Radius: 10

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.4 AU - 1.72 AU

Year: 1345 Days

Day: 11.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,622,619 km

• M1: 124,316 km (0.046 R)
• M2: 527,781 km (0.109 R)
• M3: 843,134 km (0.085 R)
• M4: 2,400,148 km (0.091 R)
• M5: 2,892,924 km (0.116 R)
• M6: 3,402,005 km (0.118 R)
• M7: 4,039,890 km (0.109 R)
• M8: 5,431,899 km (0.098 R)
• M9: 6,265,757 km (0.062 R)
• M10: 6,713,504 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.4

Radius: 11.2

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.15 AU - 3.06 AU

Year: 2894 Days

Day: 10.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,622,619 km

• M1: 139,575 km (0.113 R)
• M2: 739,911 km (0.052 R)
• M3: 1,367,624 km (0.099 R)
• M4: 2,380,401 km (0.067 R)
• M5: 3,104,455 km (0.106 R)
• M6: 4,899,480 km (0.075 R)
• M7: 6,019,519 km (0.114 R)
• M8: 6,545,056 km (0.101 R)
• M9: 7,839,976 km (0.104 R)
• M10: 8,959,716 km (0.079 R)
• M11: 10,477,835 km (0.094 R)
• M12: 10,854,223 km (0.108 R)
• M13: 11,794,446 km (0.105 R)
• M14: 12,201,950 km (0.056 R)
• M15: 13,131,701 km (0.028 R)
• M16: 13,658,286 km (0.08 R)
• M17: 14,382,339 km (0.066 R)
• M18: 17,223,352 km (0.084 R)
• M19: 17,642,526 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.4

Radius: 13.3

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.36 AU - 5.1 AU

Year: 7101 Days

Day: 10.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,622,619 km

• M1: 171,589 km (0.114 R)
• M2: 700,268 km (0.104 R)
• M3: 1,142,030 km (0.081 R)
• M4: 1,649,616 km (0.115 R)
• M5: 2,348,238 km (0.104 R)
• M6: 5,128,065 km (0.105 R)
• M7: 5,983,316 km (0.092 R)
• M8: 7,457,155 km (0.1 R)
• M9: 8,199,310 km (0.114 R)
• M10: 13,683,418 km (0.038 R)
• M11: 15,620,860 km (0.037 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.4

Radius: 5.1

Gravity: 25.2 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.11 AU - 8.47 AU

Year: 15008 Days

Day: 16.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,622,619 km

• M1: 63,579 km (0.11 R)
• M2: 767,886 km (0.076 R)
• M3: 1,495,231 km (0.042 R)
• M4: 3,484,134 km (0.108 R)
• M5: 5,851,072 km (0.087 R)
• M6: 6,282,063 km (0.094 R)
• M7: 8,511,520 km (0.096 R)
• M8: 8,911,396 km (0.105 R)
• M9: 9,323,687 km (0.111 R)
• M10: 10,186,269 km (0.088 R)
• M11: 11,041,968 km (0.089 R)
• M12: 14,591,028 km (0.098 R)
• M13: 22,671,109 km (0.059 R)
• M14: 29,527,478 km (0.044 R)
• M15: 33,054,846 km (0.106 R)
• M16: 33,299,588 km (0.082 R)
• M17: 37,380,618 km (0.103 R)
• M18: 37,779,446 km (0.09 R)
• M19: 53,091,985 km (0.057 R)
• M20: 59,894,649 km (0.061 R)

Asteroid Belt

Center: 8.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.2

Radius: 6.3

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.56 AU - 12.38 AU

Year: 21730 Days

Day: 24.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,622,619 km

• M1: 78,389 km (0.074 R)
• M2: 287,527 km (0.096 R)
• M3: 486,791 km (0.095 R)
• M4: 1,591,572 km (0.092 R)
• M5: 2,237,685 km (0.082 R)
• M6: 2,856,422 km (0.078 R)
• M7: 4,212,227 km (0.113 R)
• M8: 4,521,446 km (0.106 R)
• M9: 5,613,511 km (0.081 R)
• M10: 8,943,110 km (0.087 R)
• M11: 9,145,367 km (0.044 R)
• M12: 10,989,908 km (0.113 R)
• M13: 15,180,893 km (0.107 R)
• M14: 16,964,698 km (0.1 R)
• M15: 17,589,119 km (0.066 R)
• M16: 24,699,506 km (0.072 R)
• M17: 27,902,696 km (0.088 R)
• M18: 35,118,998 km (0.116 R)
• M19: 38,349,564 km (0.116 R)
• M20: 39,559,511 km (0.079 R)
• M21: 42,338,890 km (0.055 R)
• M22: 45,245,726 km (0.102 R)
• M23: 45,543,426 km (0.045 R)
• M24: 46,143,014 km (0.11 R)
• M25: 46,899,830 km (0.101 R)
• M26: 49,534,847 km (0.039 R)
• M27: 53,254,748 km (0.093 R)
• M28: 55,607,773 km (0.078 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 10,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit