🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.1

Radius: 10.8

Gravity: 8.18 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.45 AU - 0.71 AU

Year: 300 Days

Day: 9.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,299,273 km

• M1: 134,488 km (0.107 R)
• M2: 568,622 km (0.072 R)
• M3: 989,440 km (0.066 R)
• M4: 1,633,459 km (0.051 R)
• M5: 3,503,582 km (0.111 R)
• M6: 3,886,852 km (0.088 R)
• M7: 4,473,575 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419

Radius: 13.3

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.61 AU - 0.69 AU

Year: 355 Days

Day: 12.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,299,273 km

• M1: 165,904 km (0.074 R)
• M2: 591,061 km (0.115 R)
• M3: 1,066,184 km (0.1 R)
• M4: 1,661,434 km (0.099 R)
• M5: 2,332,829 km (0.106 R)
• M6: 3,060,024 km (0.067 R)
• M7: 3,749,222 km (0.096 R)
• M8: 4,272,814 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.5

Radius: 10.8

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.02 AU - 1.22 AU

Year: 804 Days

Day: 6.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,299,273 km

• M1: 134,339 km (0.079 R)
• M2: 588,668 km (0.102 R)
• M3: 971,489 km (0.045 R)
• M4: 2,007,005 km (0.095 R)
• M5: 2,354,820 km (0.063 R)
• M6: 2,755,144 km (0.096 R)
• M7: 3,095,030 km (0.047 R)
• M8: 3,491,315 km (0.054 R)
• M9: 3,860,223 km (0.117 R)
• M10: 4,287,924 km (0.093 R)
• M11: 5,164,118 km (0.101 R)
• M12: 6,718,889 km (0.104 R)
• M13: 8,024,430 km (0.059 R)
• M14: 8,831,062 km (0.116 R)
• M15: 9,240,361 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.6

Radius: 8.4

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.12 AU - 1.62 AU

Year: 1088 Days

Day: 9.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,299,273 km

• M1: 104,419 km (0.109 R)
• M2: 522,545 km (0.045 R)
• M3: 862,432 km (0.082 R)
• M4: 1,616,854 km (0.1 R)
• M5: 2,396,109 km (0.039 R)
• M6: 3,537,990 km (0.044 R)
• M7: 3,877,128 km (0.092 R)
• M8: 4,170,489 km (0.102 R)
• M9: 4,567,073 km (0.081 R)
• M10: 4,876,143 km (0.118 R)
• M11: 5,804,397 km (0.119 R)
• M12: 6,845,748 km (0.089 R)
• M13: 10,493,991 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.9

Radius: 3.8

Gravity: 52.14 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.06 AU - 10.1 AU

Year: 20111 Days

Day: 23.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 84,299,273 km

• M1: 55,501 km (0.084 R)
• M2: 363,822 km (0.103 R)
• M3: 1,776,325 km (0.079 R)
• M4: 1,928,915 km (0.058 R)
• M5: 2,416,604 km (0.103 R)
• M6: 2,652,520 km (0.031 R)
• M7: 6,757,037 km (0.12 R)
• M8: 11,250,957 km (0.117 R)
• M9: 12,450,283 km (0.097 R)
• M10: 18,548,640 km (0.105 R)
• M11: 20,502,837 km (0.098 R)
• M12: 30,563,443 km (0.062 R)
• M13: 35,449,759 km (0.084 R)
• M14: 40,074,577 km (0.117 R)
• M15: 45,575,739 km (0.117 R)
• M16: 62,186,189 km (0.066 R)
• M17: 62,388,146 km (0.071 R)
• M18: 65,053,681 km (0.099 R)
• M19: 66,520,040 km (0.103 R)
• M20: 72,158,982 km (0.025 R)

Asteroid Belt

Center: 9.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.1

Radius: 4.6

Gravity: 34.93 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 8.21 AU - 12.41 AU

Year: 22453 Days

Day: 22 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 84,299,273 km

• M1: 57,146 km (0.119 R)
• M2: 288,425 km (0.102 R)
• M3: 449,542 km (0.07 R)
• M4: 1,266,047 km (0.107 R)
• M5: 1,437,636 km (0.08 R)
• M6: 1,752,389 km (0.097 R)
• M7: 3,922,456 km (0.089 R)
• M8: 4,428,995 km (0.04 R)
• M9: 4,753,173 km (0.083 R)
• M10: 5,368,170 km (0.114 R)
• M11: 5,820,853 km (0.043 R)
• M12: 6,343,249 km (0.108 R)
• M13: 7,087,498 km (0.082 R)
• M14: 7,581,321 km (0.089 R)
• M15: 9,667,912 km (0.076 R)
• M16: 10,587,490 km (0.035 R)
• M17: 11,035,985 km (0.115 R)
• M18: 11,297,930 km (0.089 R)
• M19: 11,563,915 km (0.074 R)
• M20: 16,750,174 km (0.081 R)
• M21: 18,619,849 km (0.097 R)
• M22: 19,844,457 km (0.092 R)
• M23: 20,723,045 km (0.106 R)
• M24: 21,121,723 km (0.092 R)
• M25: 26,545,544 km (0.073 R)
• M26: 28,582,319 km (0.044 R)
• M27: 29,575,798 km (0.1 R)
• M28: 31,631,572 km (0.084 R)
• M29: 35,596,813 km (0.098 R)
• M30: 36,746,323 km (0.099 R)
• M31: 36,891,733 km (0.096 R)
• M32: 39,880,848 km (0.109 R)
• M33: 41,749,774 km (0.1 R)
• M34: 41,908,048 km (0.088 R)
• M35: 48,574,728 km (0.1 R)
• M36: 51,975,237 km (0.107 R)
• M37: 55,339,843 km (0.117 R)
• M38: 75,759,802 km (0.054 R)
• M39: 76,942,673 km (0.134 R)
• M40: 78,137,810 km (0.085 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 329 - 16,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit