🌌 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: 805.9

Radius: 12.9

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.69 AU - 0.93 AU

Year: 471 Days

Day: 9.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,416,068 km

• M1: 161,416 km (0.064 R)
• M2: 584,778 km (0.092 R)
• M3: 1,157,140 km (0.095 R)
• M4: 1,564,644 km (0.029 R)
• M5: 2,562,761 km (0.12 R)
• M6: 3,321,671 km (0.119 R)
• M7: 3,907,496 km (0.082 R)
• M8: 4,591,607 km (0.089 R)
• M9: 5,010,631 km (0.083 R)
• M10: 6,034,629 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.3

Radius: 13.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.66 AU - 1.02 AU

Year: 497 Days

Day: 6 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,416,068 km

• M1: 168,148 km (0.098 R)
• M2: 608,115 km (0.045 R)
• M3: 1,197,232 km (0.11 R)
• M4: 1,636,750 km (0.065 R)
• M5: 2,105,291 km (0.095 R)
• M6: 2,779,678 km (0.113 R)
• M7: 3,266,320 km (0.11 R)
• M8: 3,689,233 km (0.113 R)
• M9: 4,227,337 km (0.065 R)
• M10: 4,831,862 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.4

Radius: 12.1

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.88 AU - 1.14 AU

Year: 655 Days

Day: 10.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,416,068 km

• M1: 150,495 km (0.049 R)
• M2: 554,260 km (0.062 R)
• M3: 1,006,046 km (0.094 R)
• M4: 2,164,831 km (0.07 R)
• M5: 2,768,159 km (0.116 R)
• M6: 3,882,214 km (0.06 R)
• M7: 4,528,028 km (0.08 R)
• M8: 4,978,168 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.8

Radius: 8.3

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.34 AU - 1.84 AU

Year: 1295 Days

Day: 12.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,416,068 km

• M1: 103,223 km (0.044 R)
• M2: 372,947 km (0.095 R)
• M3: 654,042 km (0.039 R)
• M4: 1,083,388 km (0.079 R)
• M5: 2,146,580 km (0.039 R)
• M6: 2,620,057 km (0.108 R)
• M7: 3,241,337 km (0.057 R)
• M8: 3,649,141 km (0.085 R)
• M9: 4,880,481 km (0.057 R)
• M10: 5,319,850 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.5

Radius: 11.4

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.35 AU - 3.11 AU

Year: 2912 Days

Day: 6.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,416,068 km

• M1: 141,819 km (0.105 R)
• M2: 509,530 km (0.086 R)
• M3: 1,287,439 km (0.06 R)
• M4: 1,677,890 km (0.1 R)
• M5: 2,591,334 km (0.044 R)
• M6: 3,346,504 km (0.112 R)
• M7: 4,962,311 km (0.042 R)
• M8: 6,644,240 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 11.6

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.99 AU - 3.63 AU

Year: 3888 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,416,068 km

• M1: 144,362 km (0.096 R)
• M2: 525,837 km (0.119 R)
• M3: 894,745 km (0.101 R)
• M4: 1,426,715 km (0.107 R)
• M5: 1,798,017 km (0.077 R)
• M6: 2,178,444 km (0.092 R)
• M7: 2,661,047 km (0.088 R)
• M8: 3,069,449 km (0.088 R)
• M9: 3,761,190 km (0.111 R)
• M10: 4,300,789 km (0.088 R)
• M11: 5,589,575 km (0.069 R)
• M12: 6,177,494 km (0.114 R)
• M13: 7,248,914 km (0.061 R)
• M14: 12,144,056 km (0.113 R)
• M15: 13,035,510 km (0.094 R)
• M16: 14,325,343 km (0.09 R)
• M17: 16,984,744 km (0.106 R)
• M18: 18,279,663 km (0.103 R)
• M19: 19,957,403 km (0.112 R)
• M20: 20,538,890 km (0.087 R)
• M21: 23,904,842 km (0.117 R)
• M22: 24,782,084 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.9

Radius: 15

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.21 AU - 4.89 AU

Year: 6267 Days

Day: 5.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,416,068 km

• M1: 188,045 km (0.1 R)
• M2: 823,387 km (0.11 R)
• M3: 1,373,757 km (0.105 R)
• M4: 2,253,991 km (0.11 R)
• M5: 3,168,632 km (0.11 R)
• M6: 4,742,402 km (0.087 R)
• M7: 6,181,384 km (0.075 R)
• M8: 6,755,690 km (0.089 R)
• M9: 7,402,551 km (0.065 R)
• M10: 8,329,310 km (0.113 R)
• M11: 9,288,831 km (0.106 R)
• M12: 14,987,014 km (0.072 R)
• M13: 16,985,641 km (0.106 R)
• M14: 20,678,315 km (0.1 R)
• M15: 22,593,467 km (0.05 R)
• M16: 23,961,689 km (0.077 R)
• M17: 24,791,808 km (0.073 R)
• M18: 26,509,939 km (0.117 R)
• M19: 28,398,014 km (0.062 R)
• M20: 29,991,082 km (0.078 R)
• M21: 33,150,140 km (0.115 R)
• M22: 35,983,075 km (0.055 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 12,097 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit