🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.8

Radius: 14.5

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.5 AU - 0.8 AU

Year: 362 Days

Day: 8.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,127,705 km

• M1: 180,265 km (0.064 R)
• M2: 655,987 km (0.082 R)
• M3: 1,170,603 km (0.073 R)
• M4: 1,625,082 km (0.037 R)
• M5: 2,208,214 km (0.078 R)
• M6: 2,976,549 km (0.11 R)
• M7: 3,675,919 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.9

Radius: 9.6

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.95 AU - 1.09 AU

Year: 711 Days

Day: 8.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,127,705 km

• M1: 123,119 km (0.111 R)
• M2: 427,102 km (0.083 R)
• M3: 900,729 km (0.109 R)
• M4: 1,299,557 km (0.112 R)
• M5: 1,870,871 km (0.063 R)
• M6: 2,376,811 km (0.07 R)
• M7: 3,365,204 km (0.096 R)
• M8: 3,676,218 km (0.053 R)
• M9: 4,546,878 km (0.091 R)
• M10: 5,200,022 km (0.12 R)
• M11: 5,985,560 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828

Radius: 13

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.2 AU - 1.2 AU

Year: 907 Days

Day: 14.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 32,127,705 km

• M1: 161,715 km (0.081 R)
• M2: 635,193 km (0.034 R)
• M3: 1,130,362 km (0.105 R)
• M4: 1,733,241 km (0.089 R)
• M5: 2,267,305 km (0.08 R)
• M6: 3,039,679 km (0.111 R)
• M7: 3,510,015 km (0.029 R)
• M8: 4,358,085 km (0.1 R)
• M9: 5,165,315 km (0.103 R)
• M10: 5,575,064 km (0.102 R)
• M11: 6,639,303 km (0.105 R)
• M12: 7,535,394 km (0.091 R)
• M13: 9,424,067 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553

Radius: 14.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.76 AU - 2.66 AU

Year: 2268 Days

Day: 6.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,127,705 km

• M1: 176,675 km (0.11 R)
• M2: 694,733 km (0.094 R)
• M3: 1,437,187 km (0.058 R)
• M4: 2,662,992 km (0.111 R)
• M5: 3,169,829 km (0.073 R)
• M6: 3,688,186 km (0.059 R)
• M7: 4,361,376 km (0.108 R)
• M8: 5,317,157 km (0.092 R)
• M9: 5,760,864 km (0.117 R)
• M10: 6,912,020 km (0.07 R)
• M11: 7,879,619 km (0.066 R)
• M12: 8,458,712 km (0.09 R)
• M13: 8,935,780 km (0.118 R)
• M14: 10,512,392 km (0.109 R)
• M15: 12,307,866 km (0.08 R)
• M16: 13,005,141 km (0.113 R)
• M17: 14,034,375 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.7

Radius: 12.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.94 AU - 3.02 AU

Year: 2696 Days

Day: 10.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,127,705 km

• M1: 160,369 km (0.097 R)
• M2: 639,531 km (0.091 R)
• M3: 1,092,513 km (0.109 R)
• M4: 1,675,197 km (0.065 R)
• M5: 3,265,722 km (0.084 R)
• M6: 3,846,610 km (0.067 R)
• M7: 4,576,797 km (0.105 R)
• M8: 5,676,342 km (0.029 R)
• M9: 8,930,245 km (0.081 R)
• M10: 10,001,515 km (0.084 R)
• M11: 15,716,902 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.4

Radius: 9.6

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.3 AU - 3.76 AU

Year: 3641 Days

Day: 5.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,127,705 km

• M1: 119,379 km (0.045 R)
• M2: 481,705 km (0.096 R)
• M3: 1,029,832 km (0.048 R)
• M4: 1,446,163 km (0.09 R)
• M5: 1,881,492 km (0.109 R)
• M6: 2,297,375 km (0.107 R)
• M7: 3,000,335 km (0.092 R)
• M8: 4,490,330 km (0.087 R)
• M9: 7,774,901 km (0.086 R)
• M10: 8,088,009 km (0.087 R)
• M11: 9,116,494 km (0.092 R)
• M12: 10,312,978 km (0.12 R)
• M13: 11,837,380 km (0.111 R)
• M14: 15,765,820 km (0.069 R)
• M15: 16,955,871 km (0.089 R)
• M16: 18,265,601 km (0.058 R)
• M17: 19,133,568 km (0.101 R)
• M18: 19,705,780 km (0.094 R)
• M19: 21,355,545 km (0.106 R)
• M20: 24,183,543 km (0.091 R)
• M21: 24,852,694 km (0.114 R)

Asteroid Belt

Center: 3.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.7

Radius: 14

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.9 AU - 5.54 AU

Year: 7078 Days

Day: 11.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,127,705 km

• M1: 176,226 km (0.093 R)
• M2: 661,522 km (0.078 R)
• M3: 1,107,772 km (0.06 R)
• M4: 1,664,875 km (0.095 R)
• M5: 2,173,507 km (0.116 R)
• M6: 2,877,515 km (0.113 R)
• M7: 3,730,073 km (0.109 R)
• M8: 4,538,650 km (0.112 R)
• M9: 5,149,907 km (0.12 R)
• M10: 6,122,891 km (0.113 R)
• M11: 6,904,989 km (0.07 R)
• M12: 7,679,457 km (0.062 R)
• M13: 8,589,910 km (0.089 R)
• M14: 11,040,472 km (0.059 R)
• M15: 13,017,708 km (0.116 R)
• M16: 17,281,696 km (0.119 R)
• M17: 23,005,460 km (0.095 R)
• M18: 23,545,957 km (0.059 R)
• M19: 26,125,772 km (0.091 R)
• M20: 29,790,621 km (0.117 R)
• M21: 30,618,346 km (0.106 R)
• M22: 31,272,687 km (0.074 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: 477 - 11,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit