🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.1

Radius: 12.5

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.56 AU - 0.7 AU

Year: 345 Days

Day: 5.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,608,912 km

• M1: 155,731 km (0.068 R)
• M2: 749,186 km (0.106 R)
• M3: 1,151,754 km (0.068 R)
• M4: 1,621,192 km (0.105 R)
• M5: 2,159,445 km (0.083 R)
• M6: 2,657,008 km (0.05 R)
• M7: 3,377,920 km (0.112 R)
• M8: 3,797,692 km (0.113 R)
• M9: 4,729,088 km (0.113 R)
• M10: 5,179,228 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.5

Radius: 13.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.66 AU - 0.66 AU

Year: 370 Days

Day: 8.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,608,912 km

• M1: 167,101 km (0.118 R)
• M2: 608,714 km (0.106 R)
• M3: 1,074,412 km (0.107 R)
• M4: 1,627,625 km (0.096 R)
• M5: 2,329,089 km (0.082 R)
• M6: 2,941,094 km (0.12 R)
• M7: 3,954,321 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.6

Radius: 9

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.83 AU - 1.19 AU

Year: 701 Days

Day: 5.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,608,912 km

• M1: 111,899 km (0.055 R)
• M2: 415,134 km (0.058 R)
• M3: 774,169 km (0.109 R)
• M4: 1,093,860 km (0.055 R)
• M5: 1,427,014 km (0.048 R)
• M6: 1,820,606 km (0.078 R)
• M7: 2,364,694 km (0.093 R)
• M8: 3,174,168 km (0.06 R)
• M9: 4,157,624 km (0.092 R)
• M10: 4,908,306 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 11.8

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.06 AU - 3.2 AU

Year: 2944 Days

Day: 9 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,608,912 km

• M1: 146,905 km (0.043 R)
• M2: 591,510 km (0.117 R)
• M3: 1,221,915 km (0.092 R)
• M4: 1,728,155 km (0.113 R)
• M5: 2,372,622 km (0.049 R)
• M6: 2,809,298 km (0.11 R)
• M7: 5,149,458 km (0.037 R)
• M8: 5,915,698 km (0.085 R)
• M9: 7,095,726 km (0.114 R)
• M10: 7,775,200 km (0.057 R)
• M11: 8,462,004 km (0.102 R)
• M12: 8,856,792 km (0.113 R)
• M13: 9,301,397 km (0.095 R)
• M14: 9,683,321 km (0.085 R)
• M15: 11,930,430 km (0.108 R)
• M16: 12,751,124 km (0.081 R)
• M17: 13,463,509 km (0.119 R)
• M18: 14,052,476 km (0.087 R)
• M19: 14,967,865 km (0.061 R)
• M20: 15,546,660 km (0.065 R)
• M21: 17,144,215 km (0.084 R)
• M22: 17,545,736 km (0.11 R)
• M23: 18,012,182 km (0.116 R)
• M24: 18,848,584 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.6

Radius: 13.2

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.77 AU - 3.13 AU

Year: 3497 Days

Day: 8.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,608,912 km

• M1: 164,258 km (0.048 R)
• M2: 630,106 km (0.072 R)
• M3: 1,121,236 km (0.117 R)
• M4: 1,920,837 km (0.103 R)
• M5: 2,737,791 km (0.089 R)
• M6: 4,342,377 km (0.085 R)
• M7: 4,989,239 km (0.075 R)
• M8: 5,572,521 km (0.042 R)
• M9: 7,757,398 km (0.103 R)
• M10: 8,407,999 km (0.071 R)
• M11: 10,309,088 km (0.076 R)
• M12: 10,816,375 km (0.094 R)
• M13: 11,670,728 km (0.055 R)
• M14: 13,792,924 km (0.066 R)
• M15: 16,057,387 km (0.1 R)
• M16: 17,994,829 km (0.086 R)
• M17: 20,083,664 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.8

Radius: 12

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.61 AU - 4.93 AU

Year: 6091 Days

Day: 7.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,608,912 km

• M1: 161,865 km (0.117 R)
• M2: 608,415 km (0.095 R)
• M3: 1,133,353 km (0.097 R)
• M4: 1,926,671 km (0.11 R)
• M5: 3,287,712 km (0.092 R)
• M6: 4,012,813 km (0.098 R)
• M7: 4,388,154 km (0.117 R)
• M8: 5,356,501 km (0.094 R)
• M9: 5,813,074 km (0.108 R)
• M10: 7,451,769 km (0.102 R)
• M11: 8,337,987 km (0.075 R)
• M12: 9,037,207 km (0.041 R)
• M13: 9,510,086 km (0.074 R)
• M14: 10,599,608 km (0.089 R)
• M15: 13,025,935 km (0.036 R)
• M16: 14,081,498 km (0.112 R)
• M17: 15,193,309 km (0.09 R)
• M18: 19,370,531 km (0.108 R)
• M19: 20,597,084 km (0.077 R)
• M20: 22,337,954 km (0.109 R)
• M21: 28,973,068 km (0.106 R)
• M22: 29,626,063 km (0.096 R)
• M23: 31,447,866 km (0.067 R)
• M24: 33,649,348 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.4

Radius: 14

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.19 AU - 4.71 AU

Year: 6480 Days

Day: 14.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,608,912 km

• M1: 175,030 km (0.117 R)
• M2: 729,290 km (0.099 R)
• M3: 1,403,078 km (0.094 R)
• M4: 1,957,189 km (0.068 R)
• M5: 2,441,288 km (0.062 R)
• M6: 3,942,951 km (0.105 R)
• M7: 7,214,806 km (0.098 R)
• M8: 7,983,739 km (0.118 R)
• M9: 9,460,270 km (0.038 R)
• M10: 11,161,946 km (0.035 R)
• M11: 14,920,144 km (0.072 R)
• M12: 19,233,050 km (0.03 R)
• M13: 20,335,287 km (0.118 R)
• M14: 22,265,100 km (0.041 R)
• M15: 30,129,310 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.6

Radius: 10.8

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.83 AU - 5.87 AU

Year: 7373 Days

Day: 10.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,608,912 km

• M1: 134,638 km (0.072 R)
• M2: 688,449 km (0.114 R)
• M3: 1,072,318 km (0.118 R)
• M4: 1,451,698 km (0.098 R)
• M5: 1,921,585 km (0.115 R)
• M6: 2,301,264 km (0.106 R)
• M7: 2,769,206 km (0.106 R)
• M8: 3,922,606 km (0.075 R)
• M9: 4,787,581 km (0.088 R)
• M10: 6,680,293 km (0.05 R)
• M11: 7,991,069 km (0.074 R)
• M12: 11,619,117 km (0.075 R)
• M13: 12,244,436 km (0.079 R)
• M14: 14,611,374 km (0.096 R)
• M15: 15,902,553 km (0.115 R)
• M16: 19,569,945 km (0.1 R)
• M17: 22,385,975 km (0.108 R)
• M18: 23,028,647 km (0.085 R)
• M19: 23,932,219 km (0.104 R)
• M20: 28,997,303 km (0.107 R)
• M21: 29,761,000 km (0.094 R)
• M22: 30,244,950 km (0.102 R)
• M23: 35,378,999 km (0.12 R)
• M24: 35,922,338 km (0.118 R)
• M25: 36,914,322 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.4

Radius: 7.3

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.29 AU - 8.37 AU

Year: 12321 Days

Day: 18 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,608,912 km

• M1: 103,522 km (0.1 R)
• M2: 331,808 km (0.096 R)
• M3: 697,425 km (0.116 R)
• M4: 2,703,084 km (0.05 R)
• M5: 2,982,084 km (0.098 R)
• M6: 4,625,566 km (0.091 R)
• M7: 6,114,065 km (0.112 R)
• M8: 6,763,469 km (0.117 R)
• M9: 8,508,977 km (0.094 R)
• M10: 9,698,131 km (0.056 R)
• M11: 10,994,396 km (0.113 R)
• M12: 21,789,977 km (0.114 R)
• M13: 22,535,573 km (0.114 R)
• M14: 25,853,654 km (0.081 R)
• M15: 27,370,426 km (0.097 R)
• M16: 27,888,933 km (0.037 R)
• M17: 29,393,588 km (0.088 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 14,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit