🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 12.3

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.03 AU - 1.23 AU

Year: 815 Days

Day: 12.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,637,393 km

• M1: 153,039 km (0.114 R)
• M2: 564,433 km (0.068 R)
• M3: 949,797 km (0.097 R)
• M4: 1,379,292 km (0.103 R)
• M5: 1,822,252 km (0.082 R)
• M6: 2,276,132 km (0.107 R)
• M7: 3,094,133 km (0.11 R)
• M8: 3,821,777 km (0.112 R)
• M9: 4,490,330 km (0.068 R)
• M10: 5,520,909 km (0.099 R)
• M11: 6,019,968 km (0.105 R)
• M12: 6,814,183 km (0.061 R)
• M13: 7,872,738 km (0.109 R)
• M14: 8,351,451 km (0.073 R)
• M15: 9,256,667 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.3

Radius: 12

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.19 AU - 1.25 AU

Year: 914 Days

Day: 14.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,637,393 km

• M1: 149,299 km (0.078 R)
• M2: 623,973 km (0.089 R)
• M3: 1,070,373 km (0.085 R)
• M4: 1,472,641 km (0.112 R)
• M5: 1,987,557 km (0.114 R)
• M6: 3,012,752 km (0.107 R)
• M7: 3,727,979 km (0.05 R)
• M8: 4,823,783 km (0.114 R)
• M9: 5,867,228 km (0.076 R)
• M10: 6,409,072 km (0.079 R)
• M11: 7,007,763 km (0.119 R)
• M12: 7,543,173 km (0.107 R)
• M13: 8,053,601 km (0.107 R)
• M14: 8,806,677 km (0.074 R)
• M15: 9,754,080 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.7

Radius: 10.2

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.12 AU - 1.34 AU

Year: 925 Days

Day: 6.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,637,393 km

• M1: 126,859 km (0.117 R)
• M2: 549,623 km (0.095 R)
• M3: 882,179 km (0.056 R)
• M4: 1,664,725 km (0.066 R)
• M5: 2,146,281 km (0.089 R)
• M6: 3,055,836 km (0.034 R)
• M7: 3,613,537 km (0.115 R)
• M8: 4,104,068 km (0.094 R)
• M9: 4,461,308 km (0.12 R)
• M10: 5,416,640 km (0.037 R)
• M11: 6,390,223 km (0.05 R)
• M12: 8,222,198 km (0.106 R)
• M13: 10,042,505 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.7

Radius: 14.1

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.15 AU - 1.39 AU

Year: 971 Days

Day: 9.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,637,393 km

• M1: 192,981 km (0.067 R)
• M2: 734,226 km (0.025 R)
• M3: 1,216,829 km (0.096 R)
• M4: 1,880,744 km (0.065 R)
• M5: 2,830,242 km (0.1 R)
• M6: 3,591,994 km (0.118 R)
• M7: 5,016,316 km (0.12 R)
• M8: 6,048,990 km (0.114 R)
• M9: 6,766,611 km (0.118 R)
• M10: 7,923,002 km (0.045 R)
• M11: 8,922,915 km (0.101 R)
• M12: 9,526,991 km (0.11 R)
• M13: 10,281,562 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.5

Radius: 10.7

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.02 AU - 2.24 AU

Year: 2108 Days

Day: 7.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 82 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,637,393 km

• M1: 134,488 km (0.083 R)
• M2: 663,467 km (0.073 R)
• M3: 1,028,635 km (0.109 R)
• M4: 1,911,412 km (0.071 R)
• M5: 2,787,607 km (0.055 R)
• M6: 3,239,841 km (0.064 R)
• M7: 4,439,317 km (0.083 R)
• M8: 5,735,134 km (0.028 R)
• M9: 7,150,329 km (0.073 R)
• M10: 8,097,583 km (0.051 R)
• M11: 8,684,904 km (0.088 R)
• M12: 9,335,506 km (0.116 R)
• M13: 9,944,818 km (0.093 R)
• M14: 10,580,459 km (0.083 R)
• M15: 10,927,825 km (0.094 R)
• M16: 11,850,246 km (0.077 R)
• M17: 13,130,504 km (0.071 R)
• M18: 13,895,847 km (0.071 R)
• M19: 16,576,342 km (0.076 R)
• M20: 17,257,012 km (0.119 R)
• M21: 18,506,753 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.3

Radius: 5.1

Gravity: 35.65 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.09 AU - 6.77 AU

Year: 9794 Days

Day: 19 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,637,393 km

• M1: 63,729 km (0.054 R)
• M2: 289,621 km (0.067 R)
• M3: 533,466 km (0.091 R)
• M4: 785,538 km (0.062 R)
• M5: 1,311,076 km (0.104 R)
• M6: 3,905,552 km (0.116 R)
• M7: 4,187,244 km (0.09 R)
• M8: 8,151,738 km (0.104 R)
• M9: 10,307,144 km (0.076 R)
• M10: 11,744,929 km (0.087 R)
• M11: 12,212,871 km (0.117 R)
• M12: 13,186,005 km (0.106 R)
• M13: 13,563,889 km (0.057 R)
• M14: 19,075,374 km (0.091 R)
• M15: 20,887,453 km (0.062 R)
• M16: 21,922,670 km (0.088 R)
• M17: 23,264,414 km (0.059 R)
• M18: 27,310,438 km (0.051 R)
• M19: 27,924,238 km (0.076 R)
• M20: 35,657,700 km (0.071 R)
• M21: 36,145,239 km (0.076 R)
• M22: 36,885,001 km (0.089 R)
• M23: 38,267,135 km (0.091 R)
• M24: 39,683,528 km (0.101 R)
• M25: 44,986,922 km (0.083 R)
• M26: 50,131,742 km (0.071 R)
• M27: 51,670,506 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547

Radius: 5.2

Gravity: 20.23 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.79 AU - 10.23 AU

Year: 18343 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 66,637,393 km

• M1: 97,538 km (0.028 R)
• M2: 289,322 km (0.095 R)
• M3: 543,190 km (0.033 R)
• M4: 864,077 km (0.118 R)
• M5: 1,248,245 km (0.081 R)
• M6: 1,526,048 km (0.089 R)
• M7: 1,756,429 km (0.1 R)
• M8: 1,972,149 km (0.106 R)
• M9: 3,328,553 km (0.071 R)
• M10: 3,603,514 km (0.106 R)
• M11: 3,863,814 km (0.116 R)
• M12: 4,105,564 km (0.096 R)
• M13: 4,487,039 km (0.115 R)
• M14: 4,892,000 km (0.077 R)
• M15: 5,431,899 km (0.119 R)
• M16: 6,418,646 km (0.086 R)
• M17: 6,586,944 km (0.099 R)
• M18: 7,020,628 km (0.108 R)
• M19: 7,199,398 km (0.096 R)
• M20: 7,993,164 km (0.048 R)
• M21: 8,536,952 km (0.095 R)
• M22: 8,740,704 km (0.059 R)
• M23: 11,507,218 km (0.113 R)
• M24: 12,328,660 km (0.114 R)
• M25: 13,529,781 km (0.115 R)
• M26: 14,229,749 km (0.092 R)
• M27: 14,444,422 km (0.114 R)
• M28: 20,905,106 km (0.117 R)
• M29: 21,275,510 km (0.077 R)
• M30: 22,704,020 km (0.096 R)
• M31: 24,706,238 km (0.107 R)
• M32: 30,813,870 km (0.104 R)
• M33: 31,414,506 km (0.07 R)
• M34: 32,391,529 km (0.109 R)
• M35: 32,887,596 km (0.118 R)
• M36: 43,451,001 km (0.117 R)
• M37: 44,054,329 km (0.095 R)
• M38: 47,472,640 km (0.12 R)
• M39: 48,434,555 km (0.057 R)
• M40: 51,904,028 km (0.089 R)
• M41: 55,535,517 km (0.06 R)
• M42: 56,424,577 km (0.094 R)
• M43: 60,075,214 km (0.089 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: 384 - 11,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit