🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.5

Radius: 13.6

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.57 AU - 0.63 AU

Year: 315 Days

Day: 10.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,268,560 km

• M1: 170,242 km (0.05 R)
• M2: 616,044 km (0.103 R)
• M3: 1,233,285 km (0.08 R)
• M4: 1,671,008 km (0.056 R)
• M5: 2,619,309 km (0.11 R)
• M6: 3,112,234 km (0.118 R)
• M7: 3,613,237 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.7

Radius: 8.5

Gravity: 11.43 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.27 AU - 1.79 AU

Year: 1284 Days

Day: 14.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,268,560 km

• M1: 105,766 km (0.108 R)
• M2: 385,364 km (0.067 R)
• M3: 863,629 km (0.109 R)
• M4: 1,150,856 km (0.087 R)
• M5: 1,686,267 km (0.096 R)
• M6: 2,247,708 km (0.061 R)
• M7: 2,900,553 km (0.052 R)
• M8: 3,528,415 km (0.102 R)
• M9: 3,977,957 km (0.113 R)
• M10: 4,597,891 km (0.103 R)
• M11: 5,301,749 km (0.114 R)
• M12: 6,121,994 km (0.105 R)
• M13: 7,901,460 km (0.119 R)
• M14: 8,380,922 km (0.113 R)
• M15: 8,730,981 km (0.117 R)
• M16: 9,871,963 km (0.095 R)
• M17: 10,697,295 km (0.101 R)
• M18: 12,865,118 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.4

Radius: 8.6

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.39 AU - 2.29 AU

Year: 1693 Days

Day: 7.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,268,560 km

• M1: 107,561 km (0.025 R)
• M2: 490,831 km (0.095 R)
• M3: 868,266 km (0.078 R)
• M4: 1,528,292 km (0.039 R)
• M5: 1,847,982 km (0.049 R)
• M6: 2,212,403 km (0.078 R)
• M7: 2,741,231 km (0.064 R)
• M8: 3,406,643 km (0.113 R)
• M9: 4,034,804 km (0.096 R)
• M10: 4,401,169 km (0.032 R)
• M11: 5,482,164 km (0.09 R)
• M12: 6,281,166 km (0.044 R)
• M13: 6,752,698 km (0.087 R)
• M14: 8,772,868 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.9

Radius: 14

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.05 AU - 3.29 AU

Year: 3828 Days

Day: 8.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,268,560 km

• M1: 174,282 km (0.064 R)
• M2: 688,300 km (0.052 R)
• M3: 1,165,218 km (0.08 R)
• M4: 1,810,134 km (0.105 R)
• M5: 2,703,682 km (0.115 R)
• M6: 4,110,201 km (0.071 R)
• M7: 6,574,527 km (0.114 R)
• M8: 7,360,514 km (0.092 R)
• M9: 9,120,683 km (0.093 R)
• M10: 9,699,776 km (0.102 R)
• M11: 10,635,511 km (0.049 R)
• M12: 11,585,906 km (0.11 R)
• M13: 13,805,789 km (0.059 R)
• M14: 17,383,572 km (0.066 R)
• M15: 18,154,898 km (0.095 R)
• M16: 19,135,363 km (0.107 R)
• M17: 23,485,519 km (0.088 R)

Asteroid Belt

Center: 3.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.8

Radius: 14.5

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.02 AU - 4.96 AU

Year: 5406 Days

Day: 7.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,268,560 km

• M1: 180,714 km (0.098 R)
• M2: 673,490 km (0.062 R)
• M3: 1,150,408 km (0.119 R)
• M4: 1,612,964 km (0.09 R)
• M5: 2,085,694 km (0.071 R)
• M6: 3,144,398 km (0.105 R)
• M7: 3,675,919 km (0.092 R)
• M8: 5,219,171 km (0.102 R)
• M9: 7,543,622 km (0.102 R)
• M10: 10,271,240 km (0.112 R)
• M11: 10,941,738 km (0.116 R)
• M12: 12,075,241 km (0.105 R)
• M13: 13,078,594 km (0.106 R)
• M14: 13,600,690 km (0.095 R)
• M15: 15,654,819 km (0.088 R)
• M16: 16,125,005 km (0.092 R)
• M17: 17,592,111 km (0.041 R)
• M18: 18,293,576 km (0.031 R)
• M19: 19,549,151 km (0.059 R)
• M20: 21,431,391 km (0.072 R)
• M21: 24,595,236 km (0.109 R)
• M22: 29,016,901 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.2

Radius: 5.7

Gravity: 7.15 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.16 AU - 7.54 AU

Year: 12160 Days

Day: 24.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,268,560 km

• M1: 70,909 km (0.025 R)
• M2: 260,899 km (0.04 R)
• M3: 852,708 km (0.097 R)
• M4: 1,117,646 km (0.107 R)
• M5: 1,399,787 km (0.058 R)
• M6: 1,672,504 km (0.064 R)
• M7: 2,521,472 km (0.108 R)
• M8: 3,177,608 km (0.12 R)
• M9: 5,538,861 km (0.109 R)
• M10: 6,603,100 km (0.041 R)
• M11: 7,915,971 km (0.052 R)
• M12: 9,040,947 km (0.104 R)
• M13: 10,701,633 km (0.118 R)
• M14: 12,610,053 km (0.112 R)
• M15: 15,722,287 km (0.095 R)
• M16: 16,039,884 km (0.087 R)
• M17: 16,885,860 km (0.106 R)
• M18: 18,737,433 km (0.071 R)
• M19: 19,822,466 km (0.109 R)
• M20: 20,267,968 km (0.03 R)
• M21: 20,872,344 km (0.091 R)
• M22: 23,327,993 km (0.048 R)
• M23: 23,991,609 km (0.08 R)
• M24: 26,058,154 km (0.101 R)
• M25: 29,375,786 km (0.059 R)
• M26: 30,345,030 km (0.082 R)
• M27: 32,041,321 km (0.119 R)
• M28: 34,222,757 km (0.034 R)
• M29: 35,079,205 km (0.109 R)
• M30: 35,949,864 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.4

Radius: 7.3

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.07 AU - 9.83 AU

Year: 18160 Days

Day: 17.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,268,560 km

• M1: 90,806 km (0.116 R)
• M2: 559,197 km (0.084 R)
• M3: 1,276,219 km (0.095 R)
• M4: 2,538,526 km (0.097 R)
• M5: 3,047,309 km (0.066 R)
• M6: 3,756,253 km (0.101 R)
• M7: 5,426,663 km (0.054 R)
• M8: 5,819,507 km (0.099 R)
• M9: 8,635,238 km (0.102 R)
• M10: 9,626,025 km (0.033 R)
• M11: 11,831,247 km (0.118 R)
• M12: 12,249,074 km (0.058 R)
• M13: 14,896,956 km (0.1 R)
• M14: 16,611,946 km (0.03 R)
• M15: 22,000,012 km (0.091 R)
• M16: 23,555,681 km (0.107 R)
• M17: 26,578,754 km (0.075 R)
• M18: 29,197,914 km (0.074 R)
• M19: 29,632,197 km (0.096 R)
• M20: 31,186,818 km (0.091 R)
• M21: 34,699,525 km (0.1 R)
• M22: 36,050,992 km (0.071 R)
• M23: 38,727,747 km (0.088 R)
• M24: 42,221,905 km (0.072 R)
• M25: 44,187,621 km (0.091 R)
• M26: 46,360,829 km (0.087 R)
• M27: 50,605,968 km (0.055 R)
• M28: 51,390,309 km (0.12 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 19,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit