🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.4

Radius: 11.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.21 AU - 1.27 AU

Year: 921 Days

Day: 6 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,371,839 km

• M1: 144,212 km (0.111 R)
• M2: 540,946 km (0.109 R)
• M3: 915,240 km (0.115 R)
• M4: 1,472,193 km (0.12 R)
• M5: 1,989,203 km (0.075 R)
• M6: 2,436,800 km (0.096 R)
• M7: 2,836,076 km (0.086 R)
• M8: 4,306,324 km (0.103 R)
• M9: 4,795,809 km (0.076 R)
• M10: 5,645,375 km (0.064 R)
• M11: 6,777,532 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.8

Radius: 8.9

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.25 AU - 1.35 AU

Year: 988 Days

Day: 10 Hours

Environment

Temp: -178 °C

Axial Tilt: 128.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,371,839 km

• M1: 110,702 km (0.07 R)
• M2: 492,027 km (0.108 R)
• M3: 856,747 km (0.116 R)
• M4: 1,181,674 km (0.12 R)
• M5: 1,472,941 km (0.113 R)
• M6: 2,303,358 km (0.069 R)
• M7: 2,998,390 km (0.073 R)
• M8: 3,520,187 km (0.118 R)
• M9: 4,134,287 km (0.119 R)
• M10: 4,476,118 km (0.12 R)
• M11: 4,836,798 km (0.06 R)
• M12: 5,474,235 km (0.042 R)
• M13: 5,972,246 km (0.071 R)
• M14: 7,011,054 km (0.049 R)
• M15: 7,423,944 km (0.113 R)
• M16: 7,801,679 km (0.119 R)
• M17: 8,325,421 km (0.101 R)
• M18: 8,816,551 km (0.116 R)
• M19: 9,530,581 km (0.069 R)
• M20: 9,886,624 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.5

Radius: 10.4

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.19 AU - 1.45 AU

Year: 1011 Days

Day: 13.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,371,839 km

• M1: 148,102 km (0.096 R)
• M2: 502,948 km (0.119 R)
• M3: 930,050 km (0.068 R)
• M4: 1,523,355 km (0.051 R)
• M5: 2,651,024 km (0.116 R)
• M6: 3,294,744 km (0.08 R)
• M7: 4,499,605 km (0.095 R)
• M8: 5,416,341 km (0.107 R)
• M9: 5,938,437 km (0.104 R)
• M10: 6,291,638 km (0.106 R)
• M11: 6,700,489 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.2

Radius: 14.5

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.22 AU - 1.5 AU

Year: 1058 Days

Day: 12.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,371,839 km

• M1: 180,265 km (0.09 R)
• M2: 683,812 km (0.096 R)
• M3: 1,516,623 km (0.07 R)
• M4: 1,994,588 km (0.113 R)
• M5: 2,930,772 km (0.113 R)
• M6: 3,731,120 km (0.079 R)
• M7: 5,008,686 km (0.11 R)
• M8: 5,552,325 km (0.089 R)
• M9: 6,011,441 km (0.117 R)
• M10: 6,517,680 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.5

Radius: 10.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.63 AU - 1.69 AU

Year: 1426 Days

Day: 8 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,371,839 km

• M1: 128,355 km (0.052 R)
• M2: 475,572 km (0.081 R)
• M3: 1,548,188 km (0.104 R)
• M4: 2,043,058 km (0.092 R)
• M5: 2,907,435 km (0.061 R)
• M6: 3,885,805 km (0.036 R)
• M7: 4,630,353 km (0.111 R)
• M8: 5,070,620 km (0.115 R)
• M9: 6,362,846 km (0.111 R)
• M10: 6,804,609 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.5

Radius: 13.7

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.62 AU - 2.44 AU

Year: 1929 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,371,839 km

• M1: 170,392 km (0.078 R)
• M2: 757,264 km (0.113 R)
• M3: 1,643,033 km (0.091 R)
• M4: 2,586,398 km (0.088 R)
• M5: 3,116,722 km (0.12 R)
• M6: 3,898,371 km (0.119 R)
• M7: 5,140,482 km (0.108 R)
• M8: 5,744,558 km (0.117 R)
• M9: 7,819,630 km (0.076 R)
• M10: 8,592,303 km (0.078 R)
• M11: 9,415,241 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.3

Radius: 15

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.86 AU - 2.38 AU

Year: 2058 Days

Day: 14.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,371,839 km

• M1: 186,549 km (0.041 R)
• M2: 742,454 km (0.105 R)
• M3: 1,870,422 km (0.107 R)
• M4: 3,303,271 km (0.103 R)
• M5: 4,671,044 km (0.076 R)
• M6: 5,463,015 km (0.072 R)
• M7: 6,964,828 km (0.118 R)
• M8: 10,738,883 km (0.12 R)
• M9: 11,835,585 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.7

Radius: 12.3

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.86 AU - 2.54 AU

Year: 2176 Days

Day: 14.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,371,839 km

• M1: 153,039 km (0.075 R)
• M2: 580,589 km (0.065 R)
• M3: 1,190,799 km (0.095 R)
• M4: 1,927,569 km (0.114 R)
• M5: 2,326,247 km (0.034 R)
• M6: 3,029,506 km (0.096 R)
• M7: 3,757,151 km (0.068 R)
• M8: 4,512,919 km (0.101 R)
• M9: 5,659,138 km (0.08 R)
• M10: 6,064,249 km (0.113 R)
• M11: 6,543,411 km (0.093 R)
• M12: 7,517,592 km (0.099 R)
• M13: 9,157,035 km (0.12 R)
• M14: 9,539,856 km (0.108 R)
• M15: 10,042,655 km (0.056 R)
• M16: 11,861,316 km (0.065 R)
• M17: 13,087,570 km (0.098 R)
• M18: 14,211,050 km (0.047 R)
• M19: 15,252,101 km (0.112 R)
• M20: 17,752,480 km (0.107 R)
• M21: 18,185,267 km (0.082 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.3

Radius: 13.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.83 AU - 4.17 AU

Year: 5335 Days

Day: 8.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,371,839 km

• M1: 166,652 km (0.059 R)
• M2: 594,801 km (0.092 R)
• M3: 1,092,812 km (0.084 R)
• M4: 1,575,864 km (0.089 R)
• M5: 2,218,088 km (0.109 R)
• M6: 3,852,444 km (0.105 R)
• M7: 4,949,296 km (0.093 R)
• M8: 5,908,966 km (0.085 R)
• M9: 7,611,988 km (0.076 R)
• M10: 8,047,767 km (0.101 R)
• M11: 10,089,329 km (0.119 R)
• M12: 10,750,552 km (0.108 R)
• M13: 11,300,324 km (0.109 R)
• M14: 12,909,399 km (0.08 R)
• M15: 13,689,402 km (0.098 R)
• M16: 15,631,631 km (0.074 R)
• M17: 16,943,006 km (0.101 R)
• M18: 21,032,563 km (0.114 R)
• M19: 21,893,948 km (0.067 R)
• M20: 22,778,669 km (0.095 R)
• M21: 24,150,183 km (0.075 R)
• M22: 25,982,158 km (0.025 R)
• M23: 27,990,659 km (0.101 R)
• M24: 30,371,809 km (0.113 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: 308 - 18,724 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit