🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.9

Radius: 14.8

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.16 AU - 1.56 AU

Year: 1076 Days

Day: 9.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,393,915 km

• M1: 184,454 km (0.072 R)
• M2: 722,857 km (0.12 R)
• M3: 1,436,289 km (0.114 R)
• M4: 2,017,178 km (0.061 R)
• M5: 2,612,278 km (0.061 R)
• M6: 3,379,565 km (0.088 R)
• M7: 4,326,520 km (0.098 R)
• M8: 5,214,084 km (0.103 R)
• M9: 7,618,571 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.2

Radius: 13.7

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.32 AU - 1.44 AU

Year: 1100 Days

Day: 6.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,393,915 km

• M1: 177,423 km (0.068 R)
• M2: 656,884 km (0.102 R)
• M3: 1,083,388 km (0.109 R)
• M4: 1,857,706 km (0.061 R)
• M5: 2,574,280 km (0.066 R)
• M6: 3,083,511 km (0.117 R)
• M7: 4,829,318 km (0.057 R)
• M8: 5,875,606 km (0.117 R)
• M9: 7,209,570 km (0.083 R)
• M10: 7,897,421 km (0.08 R)
• M11: 8,628,805 km (0.119 R)
• M12: 10,226,959 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.5

Radius: 8.6

Gravity: 13.03 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.74 AU - 1.96 AU

Year: 1707 Days

Day: 8.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,393,915 km

• M1: 106,962 km (0.08 R)
• M2: 515,664 km (0.082 R)
• M3: 816,954 km (0.048 R)
• M4: 1,103,434 km (0.101 R)
• M5: 1,991,447 km (0.075 R)
• M6: 2,482,577 km (0.081 R)
• M7: 2,883,349 km (0.073 R)
• M8: 3,547,714 km (0.079 R)
• M9: 3,981,847 km (0.09 R)
• M10: 5,022,599 km (0.11 R)
• M11: 5,291,875 km (0.101 R)
• M12: 5,762,211 km (0.064 R)
• M13: 6,133,064 km (0.038 R)
• M14: 6,441,236 km (0.113 R)
• M15: 8,864,123 km (0.104 R)
• M16: 10,189,111 km (0.091 R)
• M17: 11,525,170 km (0.11 R)
• M18: 14,316,367 km (0.1 R)
• M19: 16,279,091 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.5

Radius: 12.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.84 AU - 2.42 AU

Year: 2108 Days

Day: 14.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,393,915 km

• M1: 165,006 km (0.067 R)
• M2: 1,026,840 km (0.036 R)
• M3: 2,510,402 km (0.088 R)
• M4: 2,980,438 km (0.073 R)
• M5: 3,425,043 km (0.113 R)
• M6: 5,390,909 km (0.055 R)
• M7: 6,331,879 km (0.11 R)
• M8: 7,267,016 km (0.103 R)
• M9: 8,353,545 km (0.066 R)
• M10: 8,984,399 km (0.053 R)
• M11: 11,715,009 km (0.047 R)
• M12: 14,640,396 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584.9

Radius: 11

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.06 AU - 3.74 AU

Year: 4252 Days

Day: 13 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,393,915 km

• M1: 156,031 km (0.051 R)
• M2: 531,671 km (0.111 R)
• M3: 1,124,378 km (0.064 R)
• M4: 1,584,989 km (0.115 R)
• M5: 2,360,505 km (0.106 R)
• M6: 3,610,096 km (0.099 R)
• M7: 4,075,495 km (0.077 R)
• M8: 4,774,566 km (0.097 R)
• M9: 5,179,078 km (0.09 R)
• M10: 5,857,056 km (0.029 R)
• M11: 8,108,354 km (0.062 R)
• M12: 8,649,150 km (0.114 R)
• M13: 9,643,677 km (0.057 R)
• M14: 11,013,694 km (0.12 R)
• M15: 12,699,513 km (0.083 R)
• M16: 13,232,380 km (0.1 R)
• M17: 15,678,754 km (0.091 R)
• M18: 18,535,027 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.5

Radius: 14.8

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.14 AU - 4.38 AU

Year: 5964 Days

Day: 14.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,393,915 km

• M1: 185,352 km (0.098 R)
• M2: 2,189,365 km (0.059 R)
• M3: 3,510,164 km (0.099 R)
• M4: 4,047,071 km (0.098 R)
• M5: 6,048,990 km (0.064 R)
• M6: 8,644,812 km (0.114 R)
• M7: 9,561,548 km (0.109 R)
• M8: 10,999,034 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.2

Radius: 11

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.52 AU - 5.82 AU

Year: 6845 Days

Day: 9.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,393,915 km

• M1: 137,032 km (0.102 R)
• M2: 710,739 km (0.071 R)
• M3: 1,187,807 km (0.073 R)
• M4: 1,690,456 km (0.058 R)
• M5: 2,171,862 km (0.094 R)
• M6: 3,020,830 km (0.091 R)
• M7: 3,492,213 km (0.114 R)
• M8: 6,536,829 km (0.059 R)
• M9: 7,296,487 km (0.099 R)
• M10: 7,904,153 km (0.025 R)
• M11: 9,531,928 km (0.074 R)
• M12: 10,299,813 km (0.074 R)
• M13: 11,595,780 km (0.057 R)
• M14: 13,094,750 km (0.1 R)
• M15: 13,739,368 km (0.112 R)
• M16: 14,456,839 km (0.064 R)
• M17: 15,966,880 km (0.104 R)
• M18: 16,530,864 km (0.083 R)
• M19: 17,999,017 km (0.044 R)
• M20: 19,171,566 km (0.082 R)
• M21: 20,460,202 km (0.033 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.4

Radius: 9.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.86 AU - 5.7 AU

Year: 7088 Days

Day: 12.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,393,915 km

• M1: 119,828 km (0.083 R)
• M2: 588,219 km (0.118 R)
• M3: 5,031,874 km (0.034 R)
• M4: 6,600,557 km (0.115 R)
• M5: 6,923,389 km (0.067 R)
• M6: 8,738,012 km (0.055 R)
• M7: 11,163,891 km (0.095 R)
• M8: 12,287,820 km (0.059 R)
• M9: 13,382,876 km (0.074 R)
• M10: 13,954,190 km (0.091 R)
• M11: 21,076,994 km (0.09 R)
• M12: 21,496,616 km (0.093 R)
• M13: 21,993,131 km (0.118 R)
• M14: 24,514,753 km (0.117 R)
• M15: 28,056,033 km (0.068 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 13,107 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit