🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.8

Radius: 11.7

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.56 AU - 0.6 AU

Year: 305 Days

Day: 5.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,530,292 km

• M1: 145,559 km (0.084 R)
• M2: 570,117 km (0.041 R)
• M3: 969,394 km (0.105 R)
• M4: 1,377,048 km (0.074 R)
• M5: 1,766,751 km (0.108 R)
• M6: 2,280,171 km (0.105 R)
• M7: 2,673,464 km (0.079 R)
• M8: 3,248,069 km (0.091 R)
• M9: 3,645,102 km (0.118 R)
• M10: 4,713,829 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.3

Radius: 9.8

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.58 AU - 0.6 AU

Year: 313 Days

Day: 12.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 77 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,530,292 km

• M1: 122,072 km (0.074 R)
• M2: 439,967 km (0.077 R)
• M3: 846,126 km (0.116 R)
• M4: 1,192,744 km (0.036 R)
• M5: 1,528,142 km (0.046 R)
• M6: 1,927,120 km (0.102 R)
• M7: 2,580,264 km (0.096 R)
• M8: 3,129,288 km (0.088 R)
• M9: 3,904,355 km (0.046 R)
• M10: 4,310,214 km (0.099 R)
• M11: 5,300,103 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.6

Radius: 14.5

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.11 AU - 1.43 AU

Year: 988 Days

Day: 10.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,530,292 km

• M1: 180,415 km (0.069 R)
• M2: 669,151 km (0.08 R)
• M3: 1,132,605 km (0.032 R)
• M4: 1,716,636 km (0.113 R)
• M5: 2,375,465 km (0.047 R)
• M6: 3,029,207 km (0.116 R)
• M7: 3,561,477 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 13.8

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.17 AU - 2.95 AU

Year: 2827 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,530,292 km

• M1: 171,589 km (0.057 R)
• M2: 601,383 km (0.1 R)
• M3: 1,146,069 km (0.086 R)
• M4: 1,617,003 km (0.091 R)
• M5: 2,126,534 km (0.03 R)
• M6: 2,822,912 km (0.057 R)
• M7: 3,764,930 km (0.107 R)
• M8: 4,495,416 km (0.094 R)
• M9: 5,001,805 km (0.052 R)
• M10: 6,609,234 km (0.069 R)
• M11: 7,143,897 km (0.091 R)
• M12: 8,232,670 km (0.071 R)
• M13: 8,852,604 km (0.11 R)
• M14: 9,727,302 km (0.116 R)
• M15: 10,860,357 km (0.105 R)
• M16: 12,298,740 km (0.117 R)
• M17: 14,889,476 km (0.079 R)
• M18: 16,233,015 km (0.04 R)
• M19: 19,339,265 km (0.068 R)
• M20: 19,821,867 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 12.4

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.86 AU - 5.42 AU

Year: 8044 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,530,292 km

• M1: 158,574 km (0.116 R)
• M2: 634,295 km (0.059 R)
• M3: 1,344,286 km (0.036 R)
• M4: 1,956,591 km (0.068 R)
• M5: 2,360,804 km (0.113 R)
• M6: 2,821,266 km (0.046 R)
• M7: 3,529,163 km (0.076 R)
• M8: 4,064,574 km (0.084 R)
• M9: 5,215,879 km (0.081 R)
• M10: 6,284,457 km (0.116 R)
• M11: 9,888,868 km (0.043 R)
• M12: 11,190,220 km (0.068 R)
• M13: 12,350,950 km (0.089 R)
• M14: 14,240,521 km (0.053 R)
• M15: 14,685,275 km (0.087 R)
• M16: 16,075,638 km (0.102 R)
• M17: 17,870,662 km (0.098 R)
• M18: 21,201,459 km (0.098 R)
• M19: 23,587,695 km (0.11 R)
• M20: 24,527,020 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.5

Radius: 10.4

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.93 AU - 5.41 AU

Year: 8114 Days

Day: 5.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,530,292 km

• M1: 129,402 km (0.086 R)
• M2: 570,865 km (0.097 R)
• M3: 1,026,092 km (0.058 R)
• M4: 1,884,634 km (0.085 R)
• M5: 2,266,707 km (0.069 R)
• M6: 2,720,587 km (0.098 R)
• M7: 3,443,593 km (0.106 R)
• M8: 3,837,933 km (0.08 R)
• M9: 4,927,604 km (0.063 R)
• M10: 5,660,484 km (0.118 R)
• M11: 8,739,508 km (0.073 R)
• M12: 9,103,330 km (0.088 R)
• M13: 18,239,122 km (0.03 R)
• M14: 20,939,962 km (0.068 R)
• M15: 21,592,807 km (0.068 R)
• M16: 22,767,749 km (0.072 R)
• M17: 23,632,873 km (0.113 R)
• M18: 23,985,027 km (0.105 R)
• M19: 24,880,519 km (0.081 R)
• M20: 25,520,649 km (0.071 R)
• M21: 27,025,005 km (0.119 R)
• M22: 30,520,359 km (0.084 R)
• M23: 40,743,429 km (0.078 R)
• M24: 41,122,959 km (0.119 R)
• M25: 42,275,909 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35.7

Radius: 5.1

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.23 AU - 7.57 AU

Year: 11176 Days

Day: 19.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,530,292 km

• M1: 66,870 km (0.075 R)
• M2: 279,449 km (0.052 R)
• M3: 915,988 km (0.085 R)
• M4: 1,700,479 km (0.1 R)
• M5: 2,797,031 km (0.102 R)
• M6: 3,243,431 km (0.029 R)
• M7: 4,152,687 km (0.11 R)
• M8: 4,512,021 km (0.098 R)
• M9: 5,101,437 km (0.091 R)
• M10: 6,079,657 km (0.109 R)
• M11: 7,417,511 km (0.042 R)
• M12: 7,725,533 km (0.08 R)
• M13: 11,576,631 km (0.059 R)
• M14: 14,402,984 km (0.115 R)
• M15: 17,119,831 km (0.112 R)
• M16: 18,262,609 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.8

Radius: 8

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 8.96 AU - 11.8 AU

Year: 23084 Days

Day: 18.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,530,292 km

• M1: 99,483 km (0.1 R)
• M2: 355,145 km (0.117 R)
• M3: 1,017,864 km (0.082 R)
• M4: 1,549,236 km (0.1 R)
• M5: 2,366,938 km (0.088 R)
• M6: 2,780,426 km (0.101 R)
• M7: 8,554,305 km (0.074 R)
• M8: 13,115,993 km (0.091 R)
• M9: 15,952,519 km (0.058 R)
• M10: 17,513,722 km (0.082 R)
• M11: 17,783,447 km (0.045 R)
• M12: 20,042,375 km (0.101 R)
• M13: 25,235,515 km (0.077 R)
• M14: 29,704,303 km (0.117 R)
• M15: 33,279,842 km (0.066 R)
• M16: 37,132,136 km (0.069 R)
• M17: 39,242,065 km (0.108 R)
• M18: 44,864,102 km (0.06 R)
• M19: 61,527,959 km (0.097 R)
• M20: 63,412,593 km (0.11 R)
• M21: 67,737,766 km (0.1 R)
• M22: 77,937,199 km (0.099 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 10,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit