🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.3

Radius: 11

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.84 AU - 1.08 AU

Year: 627 Days

Day: 12.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,706,366 km

• M1: 136,882 km (0.102 R)
• M2: 507,735 km (0.059 R)
• M3: 907,760 km (0.065 R)
• M4: 1,256,173 km (0.069 R)
• M5: 1,743,414 km (0.081 R)
• M6: 2,630,978 km (0.101 R)
• M7: 3,010,059 km (0.035 R)
• M8: 3,362,362 km (0.098 R)
• M9: 4,049,465 km (0.087 R)
• M10: 4,699,468 km (0.065 R)
• M11: 5,193,290 km (0.117 R)
• M12: 5,776,123 km (0.026 R)
• M13: 6,402,190 km (0.099 R)
• M14: 7,221,089 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.3

Radius: 10.5

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.44 AU - 1.52 AU

Year: 1201 Days

Day: 9.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,706,366 km

• M1: 133,740 km (0.088 R)
• M2: 581,637 km (0.076 R)
• M3: 964,457 km (0.118 R)
• M4: 1,352,365 km (0.077 R)
• M5: 1,967,810 km (0.11 R)
• M6: 2,748,113 km (0.071 R)
• M7: 4,042,733 km (0.095 R)
• M8: 5,279,309 km (0.118 R)
• M9: 6,202,777 km (0.086 R)
• M10: 7,731,068 km (0.101 R)
• M11: 8,979,762 km (0.088 R)
• M12: 9,312,019 km (0.096 R)
• M13: 10,260,020 km (0.11 R)
• M14: 11,622,408 km (0.064 R)
• M15: 12,163,354 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.7

Radius: 12.1

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.38 AU - 3.72 AU

Year: 3552 Days

Day: 8.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,706,366 km

• M1: 166,054 km (0.096 R)
• M2: 759,658 km (0.09 R)
• M3: 1,155,943 km (0.073 R)
• M4: 1,663,379 km (0.113 R)
• M5: 2,496,190 km (0.097 R)
• M6: 3,121,958 km (0.104 R)
• M7: 4,043,930 km (0.12 R)
• M8: 4,798,352 km (0.117 R)
• M9: 5,545,593 km (0.115 R)
• M10: 7,910,137 km (0.118 R)
• M11: 9,903,529 km (0.084 R)
• M12: 13,114,198 km (0.102 R)
• M13: 18,248,995 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.3

Radius: 12.3

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.48 AU - 4.94 AU

Year: 5760 Days

Day: 5.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,706,366 km

• M1: 153,188 km (0.058 R)
• M2: 777,311 km (0.072 R)
• M3: 1,372,411 km (0.084 R)
• M4: 1,762,562 km (0.107 R)
• M5: 3,328,253 km (0.113 R)
• M6: 4,575,152 km (0.074 R)
• M7: 5,091,115 km (0.108 R)
• M8: 5,645,824 km (0.097 R)
• M9: 6,240,625 km (0.103 R)
• M10: 7,264,622 km (0.05 R)
• M11: 7,741,839 km (0.052 R)
• M12: 8,161,910 km (0.063 R)
• M13: 8,718,714 km (0.045 R)
• M14: 10,267,351 km (0.114 R)
• M15: 10,728,411 km (0.088 R)
• M16: 11,791,753 km (0.097 R)
• M17: 12,297,693 km (0.12 R)
• M18: 13,407,410 km (0.029 R)
• M19: 14,582,950 km (0.096 R)
• M20: 15,704,485 km (0.105 R)
• M21: 19,275,835 km (0.084 R)
• M22: 21,585,477 km (0.119 R)
• M23: 22,729,302 km (0.094 R)
• M24: 25,638,981 km (0.111 R)
• M25: 31,410,167 km (0.066 R)
• M26: 33,277,298 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.3

Radius: 9.4

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.67 AU - 5.11 AU

Year: 6134 Days

Day: 14.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,706,366 km

• M1: 220,657 km (0.111 R)
• M2: 781,798 km (0.101 R)
• M3: 1,225,955 km (0.111 R)
• M4: 2,206,569 km (0.099 R)
• M5: 3,266,918 km (0.037 R)
• M6: 5,436,536 km (0.079 R)
• M7: 7,530,458 km (0.101 R)
• M8: 11,242,729 km (0.071 R)
• M9: 11,752,259 km (0.103 R)
• M10: 12,455,519 km (0.047 R)
• M11: 13,753,280 km (0.069 R)
• M12: 14,935,552 km (0.116 R)
• M13: 16,615,536 km (0.099 R)
• M14: 19,914,169 km (0.097 R)
• M15: 21,945,260 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.5

Radius: 10.4

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.85 AU - 5.69 AU

Year: 6947 Days

Day: 7.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,706,366 km

• M1: 129,402 km (0.069 R)
• M2: 576,101 km (0.07 R)
• M3: 912,098 km (0.105 R)
• M4: 1,342,940 km (0.083 R)
• M5: 1,989,502 km (0.117 R)
• M6: 2,511,748 km (0.115 R)
• M7: 2,867,791 km (0.09 R)
• M8: 3,435,366 km (0.119 R)
• M9: 3,876,081 km (0.071 R)
• M10: 4,236,911 km (0.107 R)
• M11: 4,769,928 km (0.1 R)
• M12: 6,088,933 km (0.066 R)
• M13: 6,736,691 km (0.09 R)
• M14: 7,706,385 km (0.096 R)
• M15: 8,061,530 km (0.101 R)
• M16: 8,464,696 km (0.115 R)
• M17: 9,075,355 km (0.063 R)
• M18: 9,674,195 km (0.1 R)
• M19: 10,004,208 km (0.071 R)
• M20: 11,309,599 km (0.118 R)
• M21: 12,145,552 km (0.108 R)
• M22: 14,900,846 km (0.115 R)
• M23: 17,073,306 km (0.094 R)
• M24: 17,678,429 km (0.117 R)
• M25: 18,549,388 km (0.11 R)
• M26: 23,192,008 km (0.115 R)
• M27: 24,009,411 km (0.036 R)
• M28: 25,544,734 km (0.067 R)
• M29: 26,819,158 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 334.2

Radius: 5.9

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.06 AU - 8.06 AU

Year: 11204 Days

Day: 22.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 101.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,706,366 km

• M1: 80,932 km (0.102 R)
• M2: 302,487 km (0.052 R)
• M3: 628,161 km (0.114 R)
• M4: 965,355 km (0.086 R)
• M5: 2,446,823 km (0.082 R)
• M6: 2,956,652 km (0.084 R)
• M7: 3,281,429 km (0.113 R)
• M8: 3,582,121 km (0.052 R)
• M9: 3,875,632 km (0.112 R)
• M10: 4,211,778 km (0.119 R)
• M11: 4,539,099 km (0.068 R)
• M12: 5,527,043 km (0.085 R)
• M13: 5,919,588 km (0.109 R)
• M14: 6,330,533 km (0.084 R)
• M15: 6,723,676 km (0.117 R)
• M16: 6,982,331 km (0.088 R)
• M17: 8,124,960 km (0.039 R)
• M18: 11,808,358 km (0.064 R)
• M19: 13,076,499 km (0.08 R)
• M20: 14,190,405 km (0.049 R)
• M21: 16,874,789 km (0.062 R)
• M22: 18,841,403 km (0.095 R)
• M23: 22,477,080 km (0.1 R)
• M24: 23,055,725 km (0.109 R)
• M25: 26,922,680 km (0.058 R)
• M26: 29,203,898 km (0.089 R)
• M27: 30,693,145 km (0.1 R)
• M28: 32,128,237 km (0.118 R)
• M29: 33,607,461 km (0.067 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 20,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit