🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 12.2

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.74 AU - 1.16 AU

Year: 607 Days

Day: 6.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,385,241 km

• M1: 151,692 km (0.09 R)
• M2: 571,314 km (0.075 R)
• M3: 1,010,833 km (0.119 R)
• M4: 1,501,514 km (0.061 R)
• M5: 1,950,008 km (0.099 R)
• M6: 2,385,338 km (0.115 R)
• M7: 2,805,110 km (0.099 R)
• M8: 3,325,561 km (0.041 R)
• M9: 3,838,532 km (0.095 R)
• M10: 4,626,165 km (0.04 R)
• M11: 5,232,335 km (0.116 R)
• M12: 6,083,697 km (0.082 R)
• M13: 6,563,457 km (0.094 R)
• M14: 7,133,126 km (0.11 R)
• M15: 7,920,609 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.3

Radius: 10.1

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.86 AU - 1.3 AU

Year: 736 Days

Day: 10 Hours

Environment

Temp: -163 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,385,241 km

• M1: 125,812 km (0.091 R)
• M2: 453,880 km (0.11 R)
• M3: 808,876 km (0.098 R)
• M4: 1,261,260 km (0.077 R)
• M5: 1,598,752 km (0.084 R)
• M6: 2,075,670 km (0.081 R)
• M7: 2,491,553 km (0.081 R)
• M8: 3,020,082 km (0.093 R)
• M9: 3,404,399 km (0.08 R)
• M10: 4,099,131 km (0.068 R)
• M11: 5,769,840 km (0.068 R)
• M12: 6,697,197 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.4

Radius: 9.7

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.22 AU - 1.34 AU

Year: 950 Days

Day: 8.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,385,241 km

• M1: 123,568 km (0.091 R)
• M2: 704,905 km (0.081 R)
• M3: 1,040,004 km (0.119 R)
• M4: 1,591,871 km (0.093 R)
• M5: 2,061,459 km (0.054 R)
• M6: 2,573,083 km (0.1 R)
• M7: 2,990,910 km (0.094 R)
• M8: 3,572,846 km (0.085 R)
• M9: 4,382,769 km (0.069 R)
• M10: 5,231,737 km (0.096 R)
• M11: 6,230,452 km (0.088 R)
• M12: 6,659,200 km (0.081 R)
• M13: 8,170,437 km (0.078 R)
• M14: 8,879,382 km (0.094 R)
• M15: 10,326,741 km (0.055 R)
• M16: 10,672,013 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.9

Radius: 12.7

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.27 AU - 1.29 AU

Year: 950 Days

Day: 14.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,385,241 km

• M1: 163,660 km (0.102 R)
• M2: 876,195 km (0.118 R)
• M3: 2,141,344 km (0.11 R)
• M4: 2,650,874 km (0.05 R)
• M5: 3,384,801 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.2

Radius: 14.8

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.15 AU - 3.41 AU

Year: 3897 Days

Day: 6.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,385,241 km

• M1: 184,753 km (0.11 R)
• M2: 648,507 km (0.083 R)
• M3: 1,131,110 km (0.047 R)
• M4: 1,600,996 km (0.103 R)
• M5: 2,306,500 km (0.098 R)
• M6: 3,253,454 km (0.071 R)
• M7: 3,854,539 km (0.066 R)
• M8: 6,492,548 km (0.12 R)
• M9: 8,175,673 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.5

Radius: 8.3

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.23 AU - 3.45 AU

Year: 4004 Days

Day: 8.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,385,241 km

• M1: 103,671 km (0.105 R)
• M2: 699,669 km (0.114 R)
• M3: 1,055,862 km (0.067 R)
• M4: 1,656,647 km (0.048 R)
• M5: 2,088,536 km (0.063 R)
• M6: 4,703,955 km (0.089 R)
• M7: 5,875,157 km (0.035 R)
• M8: 7,557,385 km (0.095 R)
• M9: 9,041,995 km (0.108 R)
• M10: 9,972,643 km (0.086 R)
• M11: 11,051,393 km (0.111 R)
• M12: 11,442,292 km (0.093 R)
• M13: 13,099,238 km (0.112 R)
• M14: 21,202,506 km (0.094 R)
• M15: 22,010,484 km (0.113 R)
• M16: 22,353,063 km (0.044 R)
• M17: 23,616,268 km (0.078 R)
• M18: 24,557,538 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.6

Radius: 4.7

Gravity: 18.63 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.59 AU - 7.47 AU

Year: 9714 Days

Day: 24.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,385,241 km

• M1: 58,642 km (0.098 R)
• M2: 474,524 km (0.066 R)
• M3: 692,339 km (0.108 R)
• M4: 4,303,931 km (0.11 R)
• M5: 6,124,537 km (0.026 R)
• M6: 8,070,805 km (0.07 R)
• M7: 8,961,810 km (0.053 R)
• M8: 9,453,837 km (0.071 R)
• M9: 10,540,666 km (0.088 R)
• M10: 12,133,584 km (0.048 R)
• M11: 12,514,311 km (0.066 R)
• M12: 17,174,733 km (0.105 R)
• M13: 25,167,149 km (0.091 R)
• M14: 25,431,189 km (0.082 R)
• M15: 32,856,031 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 186.1

Radius: 6.9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 8.72 AU - 10.84 AU

Year: 20064 Days

Day: 20.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,385,241 km

• M1: 87,964 km (0.078 R)
• M2: 315,352 km (0.036 R)
• M3: 647,310 km (0.075 R)
• M4: 912,846 km (0.115 R)
• M5: 1,288,187 km (0.097 R)
• M6: 2,943,189 km (0.063 R)
• M7: 3,217,401 km (0.065 R)
• M8: 3,738,301 km (0.074 R)
• M9: 5,640,737 km (0.09 R)
• M10: 6,702,733 km (0.117 R)
• M11: 7,805,718 km (0.118 R)
• M12: 8,154,580 km (0.091 R)
• M13: 8,377,780 km (0.061 R)
• M14: 8,743,547 km (0.055 R)
• M15: 10,470,505 km (0.113 R)
• M16: 12,064,171 km (0.103 R)
• M17: 13,191,989 km (0.055 R)
• M18: 15,862,311 km (0.073 R)
• M19: 16,707,240 km (0.065 R)
• M20: 19,185,478 km (0.052 R)
• M21: 19,581,164 km (0.073 R)
• M22: 20,225,483 km (0.119 R)
• M23: 24,763,384 km (0.057 R)
• M24: 28,376,622 km (0.104 R)
• M25: 30,576,010 km (0.083 R)
• M26: 35,429,413 km (0.078 R)
• M27: 39,484,862 km (0.076 R)
• M28: 41,426,493 km (0.114 R)
• M29: 46,202,554 km (0.107 R)
• M30: 48,357,213 km (0.043 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 15,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit