🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.48 AU - 0.54 AU

Year: 239 Days

Day: 47.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.7

Radius: 14.7

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.7 AU - 0.94 AU

Year: 487 Days

Day: 14 Hours

Environment

Temp: -139 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,666,058 km

• M1: 183,706 km (0.039 R)
• M2: 711,637 km (0.037 R)
• M3: 1,201,121 km (0.096 R)
• M4: 2,080,009 km (0.11 R)
• M5: 2,627,836 km (0.09 R)
• M6: 4,978,617 km (0.119 R)
• M7: 5,538,712 km (0.08 R)
• M8: 7,199,098 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.4

Radius: 12

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.67 AU - 1.09 AU

Year: 542 Days

Day: 7.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,666,058 km

• M1: 149,448 km (0.095 R)
• M2: 550,221 km (0.095 R)
• M3: 1,000,660 km (0.058 R)
• M4: 1,471,445 km (0.077 R)
• M5: 1,926,521 km (0.054 R)
• M6: 2,475,695 km (0.114 R)
• M7: 2,920,749 km (0.072 R)
• M8: 3,295,491 km (0.042 R)
• M9: 3,877,577 km (0.104 R)
• M10: 4,573,207 km (0.117 R)
• M11: 4,951,390 km (0.106 R)
• M12: 5,523,004 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.4

Radius: 8.2

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.86 AU - 1.04 AU

Year: 607 Days

Day: 10.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,666,058 km

• M1: 102,026 km (0.116 R)
• M2: 393,592 km (0.061 R)
• M3: 671,545 km (0.098 R)
• M4: 942,766 km (0.059 R)
• M5: 1,226,703 km (0.063 R)
• M6: 1,830,330 km (0.095 R)
• M7: 2,405,384 km (0.061 R)
• M8: 3,214,559 km (0.074 R)
• M9: 3,775,252 km (0.12 R)
• M10: 4,208,338 km (0.063 R)
• M11: 6,054,974 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952

Radius: 8.8

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.05 AU - 1.55 AU

Year: 972 Days

Day: 5.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,666,058 km

• M1: 109,506 km (0.089 R)
• M2: 686,056 km (0.105 R)
• M3: 1,076,656 km (0.093 R)
• M4: 1,492,837 km (0.056 R)
• M5: 2,205,821 km (0.077 R)
• M6: 2,553,187 km (0.078 R)
• M7: 2,831,140 km (0.086 R)
• M8: 3,143,201 km (0.101 R)
• M9: 3,725,585 km (0.113 R)
• M10: 4,169,592 km (0.113 R)
• M11: 4,797,305 km (0.075 R)
• M12: 5,283,348 km (0.1 R)
• M13: 6,445,125 km (0.098 R)
• M14: 6,867,889 km (0.045 R)
• M15: 8,946,102 km (0.094 R)
• M16: 9,652,803 km (0.094 R)
• M17: 10,269,595 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.9

Radius: 13.9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.84 AU - 2.38 AU

Year: 2011 Days

Day: 10.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,666,058 km

• M1: 172,935 km (0.099 R)
• M2: 785,688 km (0.075 R)
• M3: 1,511,686 km (0.108 R)
• M4: 2,168,122 km (0.095 R)
• M5: 2,940,346 km (0.109 R)
• M6: 3,547,414 km (0.069 R)
• M7: 3,992,019 km (0.119 R)
• M8: 4,995,073 km (0.025 R)
• M9: 5,999,473 km (0.088 R)
• M10: 7,658,962 km (0.088 R)
• M11: 8,580,934 km (0.064 R)
• M12: 9,084,181 km (0.077 R)
• M13: 9,764,552 km (0.078 R)
• M14: 10,679,493 km (0.1 R)
• M15: 11,402,798 km (0.055 R)
• M16: 12,011,811 km (0.113 R)
• M17: 12,642,666 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.6

Radius: 12.1

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.15 AU - 2.31 AU

Year: 2185 Days

Day: 8.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,666,058 km

• M1: 150,495 km (0.1 R)
• M2: 546,631 km (0.047 R)
• M3: 934,388 km (0.04 R)
• M4: 2,102,000 km (0.112 R)
• M5: 2,834,281 km (0.073 R)
• M6: 3,899,568 km (0.046 R)
• M7: 4,377,682 km (0.045 R)
• M8: 5,145,120 km (0.086 R)
• M9: 5,872,614 km (0.078 R)
• M10: 7,033,793 km (0.116 R)
• M11: 7,502,932 km (0.118 R)
• M12: 7,992,865 km (0.078 R)
• M13: 8,668,449 km (0.104 R)
• M14: 9,346,875 km (0.101 R)
• M15: 11,798,634 km (0.093 R)
• M16: 12,336,140 km (0.114 R)
• M17: 13,107,466 km (0.087 R)
• M18: 13,910,508 km (0.063 R)
• M19: 15,565,658 km (0.073 R)
• M20: 17,295,907 km (0.107 R)
• M21: 18,536,822 km (0.11 R)

Asteroid Belt

Center: 4.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.2

Radius: 5.5

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.68 AU - 6.86 AU

Year: 10299 Days

Day: 18.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,666,058 km

• M1: 71,508 km (0.095 R)
• M2: 374,593 km (0.089 R)
• M3: 661,223 km (0.05 R)
• M4: 948,301 km (0.089 R)
• M5: 1,176,737 km (0.085 R)
• M6: 1,588,729 km (0.045 R)
• M7: 2,092,126 km (0.119 R)
• M8: 3,605,159 km (0.072 R)
• M9: 3,902,260 km (0.052 R)
• M10: 4,442,159 km (0.075 R)
• M11: 4,865,222 km (0.052 R)
• M12: 5,171,299 km (0.054 R)
• M13: 5,977,183 km (0.086 R)
• M14: 6,295,976 km (0.073 R)
• M15: 8,139,471 km (0.107 R)
• M16: 9,869,570 km (0.075 R)
• M17: 12,955,026 km (0.099 R)
• M18: 13,816,261 km (0.101 R)
• M19: 14,772,491 km (0.095 R)
• M20: 16,257,698 km (0.075 R)
• M21: 17,004,790 km (0.097 R)
• M22: 17,644,620 km (0.106 R)
• M23: 23,824,658 km (0.111 R)
• M24: 32,169,526 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.3

Radius: 7.9

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.69 AU - 7.17 AU

Year: 11968 Days

Day: 16 Hours

Environment

Temp: -214 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,666,058 km

• M1: 104,120 km (0.064 R)
• M2: 386,112 km (0.075 R)
• M3: 738,864 km (0.101 R)
• M4: 1,172,249 km (0.081 R)
• M5: 1,453,493 km (0.066 R)
• M6: 2,154,808 km (0.098 R)
• M7: 2,401,495 km (0.082 R)
• M8: 2,989,115 km (0.074 R)
• M9: 3,932,479 km (0.042 R)
• M10: 4,621,677 km (0.057 R)
• M11: 5,701,025 km (0.063 R)
• M12: 7,072,838 km (0.08 R)
• M13: 8,162,957 km (0.044 R)
• M14: 9,729,995 km (0.087 R)
• M15: 13,812,222 km (0.049 R)
• M16: 17,704,459 km (0.073 R)
• M17: 21,133,093 km (0.115 R)
• M18: 23,826,154 km (0.102 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: 214 - 12,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit