🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.2

Radius: 9.1

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.49 AU - 0.63 AU

Year: 289 Days

Day: 13.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,585,056 km

• M1: 113,096 km (0.105 R)
• M2: 528,978 km (0.108 R)
• M3: 812,765 km (0.119 R)
• M4: 1,161,927 km (0.095 R)
• M5: 1,522,607 km (0.119 R)
• M6: 1,884,634 km (0.049 R)
• M7: 2,254,290 km (0.107 R)
• M8: 2,699,942 km (0.12 R)
• M9: 3,049,104 km (0.101 R)
• M10: 3,384,801 km (0.095 R)
• M11: 3,745,033 km (0.096 R)
• M12: 4,044,229 km (0.096 R)
• M13: 4,450,686 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 9.1

Gravity: 11.65 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.13 AU - 1.81 AU

Year: 1230 Days

Day: 8 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,585,056 km

• M1: 113,246 km (0.106 R)
• M2: 418,126 km (0.073 R)
• M3: 919,129 km (0.112 R)
• M4: 1,455,138 km (0.087 R)
• M5: 2,119,652 km (0.05 R)
• M6: 2,427,225 km (0.103 R)
• M7: 2,916,859 km (0.11 R)
• M8: 3,599,774 km (0.043 R)
• M9: 4,165,553 km (0.095 R)
• M10: 5,716,583 km (0.053 R)
• M11: 6,808,947 km (0.072 R)
• M12: 7,431,424 km (0.096 R)
• M13: 8,348,758 km (0.108 R)
• M14: 8,970,636 km (0.057 R)
• M15: 9,402,077 km (0.096 R)
• M16: 10,273,484 km (0.102 R)
• M17: 10,780,172 km (0.056 R)
• M18: 11,481,786 km (0.082 R)
• M19: 12,064,619 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.8

Radius: 14.8

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.19 AU - 1.81 AU

Year: 1268 Days

Day: 9.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,585,056 km

• M1: 184,604 km (0.077 R)
• M2: 818,749 km (0.081 R)
• M3: 1,449,304 km (0.066 R)
• M4: 2,253,393 km (0.07 R)
• M5: 2,715,201 km (0.083 R)
• M6: 3,575,539 km (0.067 R)
• M7: 4,048,717 km (0.111 R)
• M8: 5,106,224 km (0.093 R)
• M9: 7,254,749 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.8

Radius: 14

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.39 AU - 2.29 AU

Year: 1723 Days

Day: 13.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 21,585,056 km

• M1: 176,675 km (0.111 R)
• M2: 633,397 km (0.083 R)
• M3: 1,186,910 km (0.049 R)
• M4: 1,791,135 km (0.096 R)
• M5: 2,234,095 km (0.058 R)
• M6: 3,219,346 km (0.117 R)
• M7: 3,939,361 km (0.118 R)
• M8: 4,417,476 km (0.045 R)
• M9: 5,631,612 km (0.081 R)
• M10: 6,471,155 km (0.116 R)
• M11: 7,168,132 km (0.042 R)
• M12: 9,296,460 km (0.113 R)
• M13: 9,733,885 km (0.089 R)
• M14: 11,130,082 km (0.049 R)
• M15: 13,618,792 km (0.12 R)
• M16: 15,223,379 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.1

Radius: 14.8

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.79 AU - 2.29 AU

Year: 2011 Days

Day: 8.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,585,056 km

• M1: 184,604 km (0.082 R)
• M2: 935,585 km (0.099 R)
• M3: 1,707,959 km (0.086 R)
• M4: 2,369,630 km (0.11 R)
• M5: 3,091,440 km (0.07 R)
• M6: 3,743,836 km (0.11 R)
• M7: 4,254,264 km (0.064 R)
• M8: 4,790,573 km (0.057 R)
• M9: 6,048,990 km (0.079 R)
• M10: 8,276,053 km (0.117 R)
• M11: 10,644,038 km (0.112 R)
• M12: 11,945,540 km (0.091 R)
• M13: 12,897,580 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.9

Radius: 13.2

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.73 AU - 2.65 AU

Year: 2237 Days

Day: 9.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,585,056 km

• M1: 164,258 km (0.067 R)
• M2: 711,338 km (0.048 R)
• M3: 1,467,555 km (0.108 R)
• M4: 1,907,822 km (0.12 R)
• M5: 2,491,852 km (0.106 R)
• M6: 3,018,137 km (0.087 R)
• M7: 3,600,671 km (0.075 R)
• M8: 4,317,395 km (0.066 R)
• M9: 6,423,882 km (0.092 R)
• M10: 6,994,299 km (0.103 R)
• M11: 7,928,388 km (0.081 R)
• M12: 8,585,571 km (0.096 R)
• M13: 9,110,361 km (0.084 R)
• M14: 9,937,787 km (0.105 R)
• M15: 12,806,924 km (0.092 R)
• M16: 13,801,301 km (0.107 R)
• M17: 14,939,591 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.4

Radius: 10.8

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.08 AU - 2.96 AU

Year: 2761 Days

Day: 12.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 21,585,056 km

• M1: 134,339 km (0.08 R)
• M2: 575,503 km (0.112 R)
• M3: 977,472 km (0.052 R)
• M4: 1,623,586 km (0.104 R)
• M5: 2,037,373 km (0.113 R)
• M6: 2,506,662 km (0.095 R)
• M7: 3,722,743 km (0.113 R)
• M8: 4,297,947 km (0.114 R)
• M9: 6,329,336 km (0.058 R)
• M10: 6,908,878 km (0.104 R)
• M11: 7,682,748 km (0.105 R)
• M12: 8,686,400 km (0.048 R)
• M13: 9,775,473 km (0.119 R)
• M14: 11,703,789 km (0.059 R)
• M15: 12,223,044 km (0.103 R)
• M16: 12,802,885 km (0.108 R)
• M17: 13,168,801 km (0.101 R)
• M18: 18,935,201 km (0.094 R)
• M19: 19,711,763 km (0.047 R)
• M20: 20,138,716 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 10,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit