🌌 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: 932.6

Radius: 12.9

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.2 AU - 1.34 AU

Year: 910 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,216,444 km

• M1: 165,006 km (0.034 R)
• M2: 580,290 km (0.081 R)
• M3: 984,653 km (0.075 R)
• M4: 1,444,517 km (0.099 R)
• M5: 1,893,311 km (0.107 R)
• M6: 2,807,802 km (0.119 R)
• M7: 3,792,007 km (0.088 R)
• M8: 4,211,778 km (0.048 R)
• M9: 4,881,827 km (0.077 R)
• M10: 5,601,692 km (0.087 R)
• M11: 6,413,410 km (0.113 R)
• M12: 7,750,815 km (0.091 R)
• M13: 8,512,867 km (0.097 R)
• M14: 9,123,825 km (0.086 R)
• M15: 9,645,173 km (0.086 R)
• M16: 10,309,537 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.5

Radius: 13.2

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.24 AU - 1.74 AU

Year: 1156 Days

Day: 6.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,216,444 km

• M1: 164,258 km (0.057 R)
• M2: 896,839 km (0.111 R)
• M3: 1,343,688 km (0.096 R)
• M4: 1,913,806 km (0.097 R)
• M5: 2,373,520 km (0.039 R)
• M6: 2,830,242 km (0.093 R)
• M7: 4,374,541 km (0.077 R)
• M8: 5,421,277 km (0.083 R)
• M9: 7,774,153 km (0.11 R)
• M10: 8,599,334 km (0.103 R)
• M11: 9,104,676 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.2

Radius: 14.2

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.44 AU - 2.16 AU

Year: 1535 Days

Day: 10.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,216,444 km

• M1: 176,675 km (0.081 R)
• M2: 880,084 km (0.12 R)
• M3: 1,371,513 km (0.08 R)
• M4: 2,050,837 km (0.032 R)
• M5: 3,418,311 km (0.096 R)
• M6: 4,958,122 km (0.1 R)
• M7: 9,453,089 km (0.091 R)
• M8: 10,927,227 km (0.078 R)
• M9: 11,882,559 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238

Radius: 8

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.45 AU - 4.27 AU

Year: 4822 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,216,444 km

• M1: 107,112 km (0.093 R)
• M2: 457,769 km (0.047 R)
• M3: 2,677,203 km (0.048 R)
• M4: 3,066,457 km (0.114 R)
• M5: 4,313,206 km (0.067 R)
• M6: 5,581,646 km (0.111 R)
• M7: 6,191,108 km (0.11 R)
• M8: 6,640,799 km (0.058 R)
• M9: 6,932,814 km (0.064 R)
• M10: 9,810,329 km (0.071 R)
• M11: 11,180,646 km (0.103 R)
• M12: 11,933,123 km (0.081 R)
• M13: 14,685,873 km (0.096 R)
• M14: 19,746,620 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.8

Radius: 9.7

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.43 AU - 4.35 AU

Year: 4878 Days

Day: 6.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,216,444 km

• M1: 121,174 km (0.051 R)
• M2: 477,217 km (0.089 R)
• M3: 1,261,858 km (0.06 R)
• M4: 1,639,593 km (0.054 R)
• M5: 2,559,769 km (0.088 R)
• M6: 2,869,586 km (0.087 R)
• M7: 3,481,292 km (0.036 R)
• M8: 3,827,462 km (0.081 R)
• M9: 4,609,858 km (0.102 R)
• M10: 6,362,697 km (0.059 R)
• M11: 6,802,814 km (0.111 R)
• M12: 8,307,020 km (0.054 R)
• M13: 8,707,494 km (0.039 R)
• M14: 11,275,491 km (0.104 R)
• M15: 11,998,647 km (0.09 R)
• M16: 14,574,423 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.3

Radius: 3.9

Gravity: 23.36 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 8.44 AU - 12.82 AU

Year: 22036 Days

Day: 22.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,216,444 km

• M1: 48,619 km (0.118 R)
• M2: 172,786 km (0.119 R)
• M3: 403,765 km (0.035 R)
• M4: 554,410 km (0.106 R)
• M5: 771,177 km (0.053 R)
• M6: 1,154,746 km (0.068 R)
• M7: 1,773,034 km (0.079 R)
• M8: 2,498,584 km (0.065 R)
• M9: 2,771,301 km (0.085 R)
• M10: 3,038,632 km (0.111 R)
• M11: 5,986,907 km (0.092 R)
• M12: 7,032,745 km (0.081 R)
• M13: 8,795,158 km (0.077 R)
• M14: 9,053,962 km (0.101 R)
• M15: 9,750,490 km (0.111 R)
• M16: 10,310,136 km (0.118 R)
• M17: 12,632,493 km (0.089 R)
• M18: 13,706,755 km (0.108 R)
• M19: 16,266,076 km (0.093 R)
• M20: 19,473,604 km (0.032 R)
• M21: 21,363,773 km (0.082 R)
• M22: 24,882,614 km (0.103 R)
• M23: 25,713,780 km (0.049 R)
• M24: 28,206,379 km (0.096 R)
• M25: 30,032,221 km (0.089 R)
• M26: 31,693,206 km (0.115 R)
• M27: 37,176,118 km (0.095 R)
• M28: 37,716,166 km (0.102 R)
• M29: 41,643,709 km (0.071 R)
• M30: 45,989,826 km (0.091 R)
• M31: 49,157,112 km (0.074 R)
• M32: 52,297,920 km (0.091 R)
• M33: 52,805,655 km (0.098 R)
• M34: 57,524,869 km (0.099 R)
• M35: 58,975,370 km (0.076 R)
• M36: 59,341,735 km (0.103 R)
• M37: 63,280,946 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 19,563 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit