🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.5

Radius: 13.4

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.78 AU - 1.88 AU

Year: 1624 Days

Day: 6.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,688,608 km

• M1: 166,652 km (0.079 R)
• M2: 687,701 km (0.101 R)
• M3: 1,141,581 km (0.106 R)
• M4: 1,772,136 km (0.048 R)
• M5: 2,291,091 km (0.077 R)
• M6: 3,090,991 km (0.103 R)
• M7: 3,607,852 km (0.116 R)
• M8: 4,070,109 km (0.08 R)
• M9: 4,734,623 km (0.063 R)
• M10: 5,771,486 km (0.091 R)
• M11: 6,534,884 km (0.074 R)
• M12: 7,392,379 km (0.086 R)
• M13: 7,848,652 km (0.118 R)
• M14: 9,331,766 km (0.089 R)
• M15: 9,763,954 km (0.105 R)
• M16: 11,252,453 km (0.025 R)
• M17: 11,742,685 km (0.108 R)
• M18: 13,933,246 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.9

Radius: 8.1

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.62 AU - 2.44 AU

Year: 1897 Days

Day: 13.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,688,608 km

• M1: 100,979 km (0.118 R)
• M2: 391,498 km (0.093 R)
• M3: 713,432 km (0.105 R)
• M4: 1,136,944 km (0.07 R)
• M5: 1,411,606 km (0.096 R)
• M6: 1,741,020 km (0.099 R)
• M7: 2,375,913 km (0.078 R)
• M8: 2,733,153 km (0.091 R)
• M9: 3,328,403 km (0.102 R)
• M10: 3,759,694 km (0.055 R)
• M11: 5,236,823 km (0.084 R)
• M12: 5,844,490 km (0.058 R)
• M13: 6,423,284 km (0.053 R)
• M14: 6,960,639 km (0.082 R)
• M15: 8,037,445 km (0.105 R)
• M16: 9,317,255 km (0.099 R)
• M17: 10,140,791 km (0.092 R)
• M18: 11,119,610 km (0.104 R)
• M19: 11,781,281 km (0.089 R)
• M20: 13,550,276 km (0.032 R)
• M21: 14,134,904 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.4

Radius: 11.3

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.83 AU - 2.59 AU

Year: 2155 Days

Day: 5.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,688,608 km

• M1: 140,921 km (0.12 R)
• M2: 538,403 km (0.108 R)
• M3: 933,042 km (0.039 R)
• M4: 1,537,268 km (0.1 R)
• M5: 1,935,198 km (0.117 R)
• M6: 2,290,942 km (0.091 R)
• M7: 2,731,807 km (0.118 R)
• M8: 4,465,347 km (0.054 R)
• M9: 5,266,593 km (0.068 R)
• M10: 6,556,426 km (0.086 R)
• M11: 7,845,062 km (0.114 R)
• M12: 8,251,071 km (0.06 R)
• M13: 8,855,296 km (0.088 R)
• M14: 9,295,712 km (0.12 R)
• M15: 10,357,409 km (0.081 R)
• M16: 12,524,334 km (0.073 R)
• M17: 13,039,848 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263

Radius: 11.1

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.47 AU - 2.83 AU

Year: 2830 Days

Day: 7.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,688,608 km

• M1: 145,110 km (0.097 R)
• M2: 667,954 km (0.03 R)
• M3: 1,041,201 km (0.108 R)
• M4: 1,793,828 km (0.099 R)
• M5: 2,765,017 km (0.102 R)
• M6: 3,718,405 km (0.093 R)
• M7: 4,186,496 km (0.058 R)
• M8: 4,713,979 km (0.101 R)
• M9: 8,401,865 km (0.115 R)
• M10: 10,521,368 km (0.079 R)
• M11: 11,350,140 km (0.097 R)
• M12: 14,531,040 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.6

Radius: 8.8

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.69 AU - 2.83 AU

Year: 3008 Days

Day: 11.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,688,608 km

• M1: 109,506 km (0.107 R)
• M2: 403,765 km (0.062 R)
• M3: 983,606 km (0.109 R)
• M4: 2,088,536 km (0.119 R)
• M5: 3,593,790 km (0.082 R)
• M6: 4,263,240 km (0.117 R)
• M7: 4,847,270 km (0.101 R)
• M8: 5,690,254 km (0.12 R)
• M9: 6,064,548 km (0.07 R)
• M10: 7,194,760 km (0.066 R)
• M11: 7,826,063 km (0.079 R)
• M12: 8,666,504 km (0.063 R)
• M13: 10,368,479 km (0.083 R)
• M14: 13,183,612 km (0.072 R)
• M15: 14,128,472 km (0.115 R)
• M16: 15,016,634 km (0.057 R)
• M17: 15,629,238 km (0.107 R)
• M18: 17,233,525 km (0.082 R)
• M19: 19,181,140 km (0.035 R)
• M20: 21,080,883 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.6

Radius: 10.9

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.4 AU - 6.24 AU

Year: 9211 Days

Day: 9.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,688,608 km

• M1: 540,647 km (0.091 R)
• M2: 1,482,365 km (0.075 R)
• M3: 4,848,766 km (0.064 R)
• M4: 5,437,284 km (0.085 R)
• M5: 5,812,775 km (0.093 R)
• M6: 6,317,967 km (0.077 R)
• M7: 7,697,110 km (0.112 R)
• M8: 11,207,274 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.7

Radius: 8

Gravity: 14.51 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.94 AU - 6.04 AU

Year: 9617 Days

Day: 16.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,688,608 km

• M1: 99,483 km (0.099 R)
• M2: 493,972 km (0.103 R)
• M3: 1,149,211 km (0.075 R)
• M4: 1,696,589 km (0.114 R)
• M5: 2,145,084 km (0.12 R)
• M6: 2,446,823 km (0.054 R)
• M7: 3,552,052 km (0.102 R)
• M8: 5,769,242 km (0.113 R)
• M9: 6,862,653 km (0.071 R)
• M10: 7,146,141 km (0.093 R)
• M11: 12,634,139 km (0.118 R)
• M12: 13,060,792 km (0.063 R)
• M13: 15,754,900 km (0.111 R)
• M14: 19,354,973 km (0.058 R)
• M15: 22,390,164 km (0.091 R)
• M16: 26,711,747 km (0.116 R)
• M17: 33,027,620 km (0.057 R)
• M18: 33,373,041 km (0.054 R)
• M19: 38,211,635 km (0.112 R)
• M20: 48,062,654 km (0.065 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 13,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit