🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.2

Radius: 12.5

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.5 AU - 0.56 AU

Year: 271 Days

Day: 7.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 89,984,081 km

• M1: 167,699 km (0.095 R)
• M2: 642,672 km (0.097 R)
• M3: 1,371,064 km (0.1 R)
• M4: 2,004,013 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.6

Radius: 14.9

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.49 AU - 0.59 AU

Year: 279 Days

Day: 14.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 89,984,081 km

• M1: 185,950 km (0.101 R)
• M2: 683,363 km (0.104 R)
• M3: 1,262,008 km (0.1 R)
• M4: 1,844,093 km (0.084 R)
• M5: 2,393,117 km (0.082 R)
• M6: 3,042,671 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.1

Radius: 9.5

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.93 AU - 1.17 AU

Year: 756 Days

Day: 5 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,984,081 km

• M1: 121,324 km (0.105 R)
• M2: 417,528 km (0.049 R)
• M3: 1,118,992 km (0.094 R)
• M4: 1,420,133 km (0.086 R)
• M5: 2,130,124 km (0.082 R)
• M6: 2,726,870 km (0.053 R)
• M7: 3,242,085 km (0.076 R)
• M8: 3,561,626 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.7

Radius: 10.8

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.49 AU - 2.53 AU

Year: 2795 Days

Day: 11 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,984,081 km

• M1: 134,788 km (0.108 R)
• M2: 598,092 km (0.092 R)
• M3: 951,293 km (0.108 R)
• M4: 1,307,635 km (0.102 R)
• M5: 1,655,749 km (0.107 R)
• M6: 3,844,067 km (0.106 R)
• M7: 4,398,626 km (0.103 R)
• M8: 4,866,269 km (0.089 R)
• M9: 5,244,602 km (0.065 R)
• M10: 6,007,551 km (0.098 R)
• M11: 6,755,840 km (0.078 R)
• M12: 7,288,408 km (0.112 R)
• M13: 7,627,547 km (0.111 R)
• M14: 8,505,088 km (0.12 R)
• M15: 9,557,658 km (0.114 R)
• M16: 10,039,812 km (0.08 R)
• M17: 11,174,213 km (0.06 R)
• M18: 11,543,121 km (0.108 R)
• M19: 11,920,108 km (0.111 R)
• M20: 13,742,808 km (0.099 R)
• M21: 17,989,144 km (0.091 R)
• M22: 18,383,035 km (0.105 R)
• M23: 19,481,084 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.6

Radius: 8

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.91 AU - 8.35 AU

Year: 14815 Days

Day: 19 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,984,081 km

• M1: 193,430 km (0.118 R)
• M2: 545,733 km (0.055 R)
• M3: 1,999,675 km (0.1 R)
• M4: 2,914,017 km (0.096 R)
• M5: 4,665,958 km (0.055 R)
• M6: 5,126,420 km (0.064 R)
• M7: 12,148,843 km (0.086 R)
• M8: 14,835,471 km (0.114 R)
• M9: 15,991,414 km (0.11 R)
• M10: 18,839,907 km (0.04 R)
• M11: 22,345,434 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457

Radius: 5.5

Gravity: 15.11 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 9.71 AU - 9.75 AU

Year: 21334 Days

Day: 16.8 Hours

Environment

Temp: -244 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,984,081 km

• M1: 68,366 km (0.118 R)
• M2: 421,268 km (0.107 R)
• M3: 956,828 km (0.045 R)
• M4: 1,245,402 km (0.12 R)
• M5: 1,640,041 km (0.046 R)
• M6: 2,990,761 km (0.034 R)
• M7: 3,695,965 km (0.06 R)
• M8: 4,374,541 km (0.03 R)
• M9: 4,743,449 km (0.114 R)
• M10: 5,353,958 km (0.087 R)
• M11: 7,594,186 km (0.057 R)
• M12: 8,632,545 km (0.072 R)
• M13: 10,333,623 km (0.053 R)
• M14: 17,079,140 km (0.106 R)
• M15: 20,185,839 km (0.063 R)
• M16: 24,886,803 km (0.087 R)
• M17: 26,275,220 km (0.06 R)
• M18: 34,778,812 km (0.101 R)
• M19: 39,289,038 km (0.099 R)
• M20: 55,306,482 km (0.094 R)
• M21: 67,351,205 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.9

Radius: 7.2

Gravity: 17.38 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.92 AU - 12.2 AU

Year: 22429 Days

Day: 23.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 89,984,081 km

• M1: 89,609 km (0.113 R)
• M2: 450,888 km (0.062 R)
• M3: 3,147,090 km (0.053 R)
• M4: 3,530,061 km (0.081 R)
• M5: 5,973,144 km (0.06 R)
• M6: 6,990,409 km (0.091 R)
• M7: 7,489,019 km (0.072 R)
• M8: 8,011,116 km (0.075 R)
• M9: 9,245,148 km (0.094 R)
• M10: 9,542,250 km (0.105 R)
• M11: 10,408,721 km (0.087 R)
• M12: 12,296,945 km (0.041 R)
• M13: 12,875,889 km (0.101 R)
• M14: 14,323,547 km (0.116 R)
• M15: 15,876,523 km (0.09 R)
• M16: 16,389,344 km (0.103 R)
• M17: 20,999,801 km (0.082 R)
• M18: 21,617,790 km (0.106 R)
• M19: 23,106,887 km (0.104 R)
• M20: 24,323,866 km (0.089 R)
• M21: 27,982,731 km (0.097 R)
• M22: 32,536,490 km (0.109 R)
• M23: 33,086,411 km (0.064 R)
• M24: 33,642,467 km (0.036 R)
• M25: 37,711,230 km (0.067 R)
• M26: 43,408,814 km (0.105 R)
• M27: 50,750,479 km (0.105 R)
• M28: 59,081,435 km (0.093 R)
• M29: 60,105,582 km (0.067 R)
• M30: 60,518,622 km (0.06 R)
• M31: 76,919,784 km (0.097 R)
• M32: 85,476,932 km (0.112 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: 219 - 18,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit