🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.9

Radius: 11.6

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.69 AU - 0.93 AU

Year: 464 Days

Day: 11 Hours

Environment

Temp: -137 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,642,706 km

• M1: 144,212 km (0.054 R)
• M2: 578,794 km (0.103 R)
• M3: 1,133,802 km (0.113 R)
• M4: 1,666,520 km (0.096 R)
• M5: 2,132,069 km (0.101 R)
• M6: 2,492,899 km (0.026 R)
• M7: 3,138,115 km (0.073 R)
• M8: 3,879,821 km (0.053 R)
• M9: 4,611,354 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.6

Radius: 12.9

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.69 AU - 1.81 AU

Year: 1472 Days

Day: 10.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,642,706 km

• M1: 160,668 km (0.032 R)
• M2: 563,086 km (0.09 R)
• M3: 1,077,553 km (0.112 R)
• M4: 1,489,995 km (0.107 R)
• M5: 2,158,996 km (0.027 R)
• M6: 2,639,206 km (0.117 R)
• M7: 4,436,624 km (0.118 R)
• M8: 4,846,522 km (0.072 R)
• M9: 6,006,504 km (0.065 R)
• M10: 6,942,688 km (0.074 R)
• M11: 8,697,171 km (0.098 R)
• M12: 9,373,204 km (0.06 R)
• M13: 10,632,070 km (0.03 R)
• M14: 11,336,676 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.5

Radius: 12.3

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.95 AU - 2.71 AU

Year: 2261 Days

Day: 10.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,642,706 km

• M1: 153,039 km (0.082 R)
• M2: 606,470 km (0.109 R)
• M3: 1,390,811 km (0.116 R)
• M4: 1,986,660 km (0.051 R)
• M5: 2,483,175 km (0.078 R)
• M6: 2,902,348 km (0.11 R)
• M7: 3,764,182 km (0.104 R)
• M8: 4,153,884 km (0.048 R)
• M9: 4,850,561 km (0.076 R)
• M10: 7,525,072 km (0.081 R)
• M11: 8,561,636 km (0.07 R)
• M12: 9,367,819 km (0.088 R)
• M13: 10,394,509 km (0.09 R)
• M14: 10,882,198 km (0.088 R)
• M15: 11,605,204 km (0.04 R)
• M16: 12,749,628 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.7

Radius: 13.9

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.18 AU - 5.12 AU

Year: 5375 Days

Day: 8.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,642,706 km

• M1: 172,935 km (0.062 R)
• M2: 667,805 km (0.119 R)
• M3: 1,356,553 km (0.096 R)
• M4: 1,945,820 km (0.074 R)
• M5: 2,564,855 km (0.104 R)
• M6: 3,272,902 km (0.089 R)
• M7: 3,718,105 km (0.106 R)
• M8: 4,785,187 km (0.038 R)
• M9: 6,109,577 km (0.087 R)
• M10: 6,557,922 km (0.11 R)
• M11: 7,166,636 km (0.104 R)
• M12: 8,735,020 km (0.11 R)
• M13: 9,389,062 km (0.095 R)
• M14: 12,439,661 km (0.116 R)
• M15: 13,481,611 km (0.119 R)
• M16: 15,152,768 km (0.052 R)
• M17: 15,739,342 km (0.058 R)
• M18: 17,083,329 km (0.094 R)
• M19: 17,654,793 km (0.09 R)
• M20: 19,583,259 km (0.11 R)
• M21: 20,491,916 km (0.107 R)
• M22: 24,250,563 km (0.107 R)
• M23: 26,883,934 km (0.117 R)
• M24: 29,249,824 km (0.095 R)
• M25: 31,751,400 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.8

Radius: 15

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.61 AU - 6.39 AU

Year: 8201 Days

Day: 11.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,642,706 km

• M1: 186,549 km (0.092 R)
• M2: 818,151 km (0.118 R)
• M3: 1,850,526 km (0.12 R)
• M4: 2,765,466 km (0.089 R)
• M5: 3,915,425 km (0.115 R)
• M6: 5,024,843 km (0.1 R)
• M7: 6,659,200 km (0.042 R)
• M8: 7,224,530 km (0.11 R)
• M9: 8,323,177 km (0.054 R)
• M10: 8,801,591 km (0.081 R)
• M11: 10,800,966 km (0.104 R)
• M12: 12,348,107 km (0.115 R)
• M13: 13,321,242 km (0.118 R)
• M14: 15,227,118 km (0.07 R)
• M15: 16,279,240 km (0.035 R)
• M16: 19,803,916 km (0.092 R)
• M17: 20,502,687 km (0.093 R)
• M18: 22,866,483 km (0.064 R)
• M19: 26,980,874 km (0.085 R)
• M20: 31,355,564 km (0.045 R)
• M21: 33,057,240 km (0.109 R)
• M22: 33,711,132 km (0.06 R)
• M23: 38,172,889 km (0.109 R)
• M24: 39,013,479 km (0.11 R)
• M25: 40,856,226 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.6

Radius: 5.6

Gravity: 10.57 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.33 AU - 7.47 AU

Year: 11524 Days

Day: 18.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,642,706 km

• M1: 69,713 km (0.1 R)
• M2: 290,968 km (0.094 R)
• M3: 598,840 km (0.088 R)
• M4: 812,466 km (0.095 R)
• M5: 2,247,558 km (0.09 R)
• M6: 2,463,428 km (0.062 R)
• M7: 6,045,848 km (0.034 R)
• M8: 6,500,925 km (0.105 R)
• M9: 8,901,522 km (0.103 R)
• M10: 15,229,213 km (0.108 R)
• M11: 17,284,688 km (0.081 R)
• M12: 17,773,274 km (0.101 R)
• M13: 18,199,179 km (0.087 R)
• M14: 27,265,708 km (0.081 R)
• M15: 35,033,577 km (0.049 R)
• M16: 41,122,061 km (0.027 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.7

Radius: 7.1

Gravity: 14.22 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.62 AU - 8.22 AU

Year: 11574 Days

Day: 23.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,642,706 km

• M1: 90,806 km (0.063 R)
• M2: 542,891 km (0.113 R)
• M3: 810,222 km (0.114 R)
• M4: 1,622,838 km (0.116 R)
• M5: 2,211,805 km (0.083 R)
• M6: 2,484,222 km (0.077 R)
• M7: 3,265,123 km (0.034 R)
• M8: 4,903,669 km (0.026 R)
• M9: 5,577,757 km (0.118 R)
• M10: 8,521,244 km (0.114 R)
• M11: 9,696,336 km (0.118 R)
• M12: 11,888,992 km (0.062 R)
• M13: 12,303,976 km (0.071 R)
• M14: 14,259,220 km (0.099 R)
• M15: 15,068,844 km (0.09 R)
• M16: 16,195,465 km (0.105 R)
• M17: 19,994,204 km (0.111 R)
• M18: 22,321,947 km (0.108 R)
• M19: 22,591,373 km (0.116 R)
• M20: 32,057,477 km (0.076 R)
• M21: 39,259,717 km (0.103 R)
• M22: 40,445,280 km (0.112 R)
• M23: 42,474,127 km (0.077 R)
• M24: 47,321,846 km (0.057 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 16,248 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit