🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.7

Radius: 11.7

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.6 AU - 0.78 AU

Year: 370 Days

Day: 8 Hours

Environment

Temp: -130 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,343,769 km

• M1: 145,708 km (0.109 R)
• M2: 741,856 km (0.072 R)
• M3: 1,235,529 km (0.071 R)
• M4: 1,756,429 km (0.028 R)
• M5: 2,125,786 km (0.116 R)
• M6: 2,953,511 km (0.052 R)
• M7: 3,459,451 km (0.109 R)
• M8: 3,836,437 km (0.07 R)
• M9: 4,201,905 km (0.082 R)
• M10: 4,858,490 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.2

Radius: 9.9

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.57 AU - 0.85 AU

Year: 386 Days

Day: 10.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,343,769 km

• M1: 123,119 km (0.114 R)
• M2: 463,155 km (0.097 R)
• M3: 985,252 km (0.047 R)
• M4: 1,435,840 km (0.109 R)
• M5: 1,820,307 km (0.099 R)
• M6: 2,309,941 km (0.055 R)
• M7: 2,626,340 km (0.091 R)
• M8: 2,950,220 km (0.093 R)
• M9: 3,431,925 km (0.117 R)
• M10: 3,938,912 km (0.042 R)
• M11: 4,480,606 km (0.08 R)
• M12: 5,730,346 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.4

Radius: 14.2

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.1 AU - 1.14 AU

Year: 765 Days

Day: 6.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 25,343,769 km

• M1: 176,675 km (0.117 R)
• M2: 1,910,664 km (0.041 R)
• M3: 2,368,134 km (0.057 R)
• M4: 2,858,965 km (0.118 R)
• M5: 3,395,423 km (0.041 R)
• M6: 4,024,632 km (0.078 R)
• M7: 5,069,124 km (0.106 R)

Asteroid Belt

Center: 2.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782

Radius: 11.6

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.88 AU - 4.08 AU

Year: 4192 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 25,343,769 km

• M1: 144,212 km (0.037 R)
• M2: 530,175 km (0.09 R)
• M3: 1,016,667 km (0.11 R)
• M4: 1,616,255 km (0.081 R)
• M5: 2,317,421 km (0.082 R)
• M6: 2,756,341 km (0.102 R)
• M7: 3,212,016 km (0.088 R)
• M8: 3,591,845 km (0.09 R)
• M9: 4,276,554 km (0.063 R)
• M10: 5,704,017 km (0.106 R)
• M11: 6,387,231 km (0.099 R)
• M12: 6,861,606 km (0.108 R)
• M13: 7,916,719 km (0.12 R)
• M14: 10,050,883 km (0.112 R)
• M15: 11,967,680 km (0.107 R)
• M16: 13,340,091 km (0.061 R)
• M17: 14,543,755 km (0.061 R)
• M18: 15,089,040 km (0.049 R)
• M19: 16,688,989 km (0.081 R)
• M20: 18,525,752 km (0.082 R)
• M21: 19,493,051 km (0.063 R)
• M22: 21,951,543 km (0.12 R)
• M23: 22,524,802 km (0.083 R)
• M24: 24,228,572 km (0.048 R)
• M25: 25,150,843 km (0.12 R)
• M26: 26,256,221 km (0.091 R)
• M27: 27,641,647 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.6

Radius: 11.1

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.73 AU - 6.31 AU

Year: 8374 Days

Day: 9.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 25,343,769 km

• M1: 138,827 km (0.085 R)
• M2: 648,956 km (0.042 R)
• M3: 1,149,510 km (0.095 R)
• M4: 1,824,196 km (0.097 R)
• M5: 2,252,196 km (0.102 R)
• M6: 2,999,437 km (0.043 R)
• M7: 3,904,654 km (0.045 R)
• M8: 4,253,367 km (0.108 R)
• M9: 4,741,056 km (0.097 R)
• M10: 6,214,445 km (0.104 R)
• M11: 6,843,803 km (0.036 R)
• M12: 9,174,837 km (0.105 R)
• M13: 9,991,642 km (0.101 R)
• M14: 10,494,291 km (0.088 R)
• M15: 11,013,694 km (0.095 R)
• M16: 11,387,390 km (0.069 R)
• M17: 13,934,443 km (0.093 R)
• M18: 15,340,813 km (0.054 R)
• M19: 16,352,543 km (0.087 R)
• M20: 17,480,062 km (0.053 R)
• M21: 19,654,767 km (0.094 R)
• M22: 20,929,041 km (0.059 R)
• M23: 25,636,737 km (0.104 R)
• M24: 30,584,985 km (0.047 R)
• M25: 31,218,532 km (0.092 R)
• M26: 32,511,806 km (0.062 R)
• M27: 33,728,486 km (0.109 R)
• M28: 40,019,226 km (0.051 R)
• M29: 46,215,569 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.8

Radius: 4.8

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.49 AU - 7.49 AU

Year: 13235 Days

Day: 18.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,343,769 km

• M1: 61,036 km (0.094 R)
• M2: 258,954 km (0.104 R)
• M3: 504,145 km (0.105 R)
• M4: 1,403,677 km (0.081 R)
• M5: 2,504,717 km (0.098 R)
• M6: 3,239,243 km (0.032 R)
• M7: 4,891,551 km (0.08 R)
• M8: 5,147,663 km (0.079 R)
• M9: 6,718,889 km (0.082 R)
• M10: 7,766,822 km (0.113 R)
• M11: 9,814,967 km (0.077 R)
• M12: 13,496,720 km (0.076 R)
• M13: 14,832,629 km (0.042 R)
• M14: 18,800,712 km (0.052 R)
• M15: 22,922,283 km (0.066 R)
• M16: 24,002,829 km (0.106 R)
• M17: 24,741,842 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 16,798 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit