🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924

Radius: 12.8

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.76 AU - 0.88 AU

Year: 479 Days

Day: 6.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,516,583 km

• M1: 159,322 km (0.087 R)
• M2: 593,006 km (0.109 R)
• M3: 1,130,661 km (0.064 R)
• M4: 1,554,920 km (0.114 R)
• M5: 2,043,657 km (0.116 R)
• M6: 2,502,024 km (0.102 R)
• M7: 2,904,592 km (0.108 R)
• M8: 3,488,622 km (0.076 R)
• M9: 4,309,615 km (0.097 R)
• M10: 4,974,428 km (0.1 R)
• M11: 5,582,693 km (0.118 R)
• M12: 6,587,841 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.2

Radius: 12.7

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.07 AU - 1.39 AU

Year: 881 Days

Day: 7.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,516,583 km

• M1: 157,975 km (0.081 R)
• M2: 568,173 km (0.086 R)
• M3: 1,012,329 km (0.1 R)
• M4: 1,624,782 km (0.074 R)
• M5: 2,137,454 km (0.094 R)
• M6: 3,035,341 km (0.108 R)
• M7: 3,706,287 km (0.111 R)
• M8: 4,201,755 km (0.025 R)
• M9: 6,305,999 km (0.106 R)
• M10: 7,587,903 km (0.111 R)
• M11: 7,994,809 km (0.104 R)
• M12: 8,826,723 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.2

Radius: 9

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.42 AU - 1.68 AU

Year: 1246 Days

Day: 6.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,516,583 km

• M1: 111,899 km (0.05 R)
• M2: 452,683 km (0.108 R)
• M3: 772,075 km (0.096 R)
• M4: 1,120,488 km (0.091 R)
• M5: 1,441,525 km (0.098 R)
• M6: 1,734,737 km (0.114 R)
• M7: 2,024,059 km (0.084 R)
• M8: 2,382,496 km (0.118 R)
• M9: 4,206,991 km (0.12 R)
• M10: 5,566,686 km (0.097 R)
• M11: 5,856,906 km (0.087 R)
• M12: 7,224,680 km (0.071 R)
• M13: 7,570,550 km (0.1 R)
• M14: 9,531,479 km (0.085 R)
• M15: 10,177,293 km (0.095 R)
• M16: 11,129,782 km (0.099 R)
• M17: 11,519,934 km (0.099 R)
• M18: 12,140,765 km (0.037 R)
• M19: 12,860,779 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.5

Radius: 11.3

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.03 AU - 5.15 AU

Year: 7415 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,516,583 km

• M1: 140,472 km (0.1 R)
• M2: 635,342 km (0.085 R)
• M3: 1,125,126 km (0.079 R)
• M4: 1,744,610 km (0.08 R)
• M5: 2,797,480 km (0.091 R)
• M6: 3,405,147 km (0.095 R)
• M7: 4,178,717 km (0.116 R)
• M8: 4,737,615 km (0.031 R)
• M9: 5,127,168 km (0.115 R)
• M10: 5,971,049 km (0.057 R)
• M11: 7,250,410 km (0.051 R)
• M12: 8,101,024 km (0.109 R)
• M13: 9,017,012 km (0.098 R)
• M14: 11,054,535 km (0.116 R)
• M15: 12,292,008 km (0.066 R)
• M16: 15,297,579 km (0.1 R)
• M17: 17,459,867 km (0.099 R)
• M18: 20,914,381 km (0.067 R)
• M19: 21,396,235 km (0.113 R)
• M20: 22,633,410 km (0.12 R)
• M21: 23,484,173 km (0.115 R)
• M22: 29,946,502 km (0.117 R)
• M23: 30,764,952 km (0.087 R)
• M24: 38,694,387 km (0.106 R)
• M25: 39,177,887 km (0.101 R)
• M26: 40,776,789 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.7

Radius: 8.3

Gravity: 12.25 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.32 AU - 5.88 AU

Year: 8557 Days

Day: 6.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,516,583 km

• M1: 103,372 km (0.115 R)
• M2: 381,774 km (0.113 R)
• M3: 718,369 km (0.093 R)
• M4: 1,206,956 km (0.099 R)
• M5: 1,479,673 km (0.066 R)
• M6: 1,778,868 km (0.083 R)
• M7: 2,638,607 km (0.113 R)
• M8: 3,880,419 km (0.115 R)
• M9: 4,719,065 km (0.103 R)
• M10: 7,099,616 km (0.118 R)
• M11: 8,088,009 km (0.096 R)
• M12: 9,738,373 km (0.103 R)
• M13: 10,234,140 km (0.039 R)
• M14: 10,591,080 km (0.079 R)
• M15: 12,909,997 km (0.085 R)
• M16: 14,000,117 km (0.104 R)
• M17: 14,631,719 km (0.108 R)
• M18: 18,449,905 km (0.064 R)
• M19: 19,208,965 km (0.094 R)
• M20: 21,611,208 km (0.119 R)
• M21: 22,114,604 km (0.085 R)
• M22: 23,319,765 km (0.105 R)
• M23: 27,981,384 km (0.101 R)
• M24: 28,579,476 km (0.043 R)
• M25: 30,740,118 km (0.055 R)
• M26: 31,376,807 km (0.095 R)
• M27: 33,007,274 km (0.086 R)
• M28: 35,965,871 km (0.053 R)
• M29: 42,273,815 km (0.066 R)
• M30: 42,535,312 km (0.106 R)
• M31: 42,797,707 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 52.3

Radius: 5.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.79 AU - 7.41 AU

Year: 12215 Days

Day: 19.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,516,583 km

• M1: 65,225 km (0.091 R)
• M2: 401,221 km (0.063 R)
• M3: 975,378 km (0.089 R)
• M4: 1,471,145 km (0.036 R)
• M5: 2,943,787 km (0.111 R)
• M6: 3,138,414 km (0.106 R)
• M7: 3,475,458 km (0.083 R)
• M8: 4,333,402 km (0.09 R)
• M9: 4,921,172 km (0.114 R)
• M10: 6,082,350 km (0.074 R)
• M11: 9,840,249 km (0.109 R)
• M12: 12,062,675 km (0.068 R)
• M13: 13,847,826 km (0.111 R)
• M14: 14,958,141 km (0.104 R)
• M15: 18,703,175 km (0.088 R)
• M16: 21,409,849 km (0.065 R)
• M17: 22,412,304 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.3

Radius: 4.5

Gravity: 35.87 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.39 AU - 9.25 AU

Year: 14120 Days

Day: 24.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,516,583 km

• M1: 55,950 km (0.098 R)
• M2: 220,956 km (0.091 R)
• M3: 457,919 km (0.066 R)
• M4: 884,572 km (0.071 R)
• M5: 1,292,825 km (0.092 R)
• M6: 1,449,005 km (0.094 R)
• M7: 2,345,994 km (0.098 R)
• M8: 2,923,442 km (0.028 R)
• M9: 3,786,472 km (0.117 R)
• M10: 4,807,477 km (0.114 R)
• M11: 5,291,426 km (0.074 R)
• M12: 5,769,391 km (0.043 R)
• M13: 7,738,548 km (0.102 R)
• M14: 10,734,246 km (0.082 R)
• M15: 12,743,046 km (0.082 R)
• M16: 15,423,989 km (0.04 R)
• M17: 18,790,390 km (0.055 R)
• M18: 19,810,648 km (0.044 R)
• M19: 22,615,757 km (0.083 R)
• M20: 23,769,157 km (0.071 R)
• M21: 26,506,648 km (0.092 R)
• M22: 27,356,514 km (0.063 R)
• M23: 29,447,144 km (0.099 R)
• M24: 31,998,237 km (0.054 R)
• M25: 35,837,217 km (0.099 R)
• M26: 40,528,008 km (0.095 R)
• M27: 41,229,772 km (0.093 R)
• M28: 44,266,010 km (0.1 R)
• M29: 46,370,852 km (0.097 R)
• M30: 48,541,517 km (0.108 R)
• M31: 49,972,271 km (0.094 R)
• M32: 50,293,907 km (0.116 R)
• M33: 51,923,177 km (0.086 R)
• M34: 54,093,244 km (0.087 R)
• M35: 56,323,150 km (0.044 R)
• M36: 57,021,323 km (0.094 R)
• M37: 60,234,984 km (0.055 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: 359 - 17,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit