🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.5

Radius: 10.1

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.72 AU - 0.82 AU

Year: 466 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,402,594 km

• M1: 125,662 km (0.047 R)
• M2: 507,137 km (0.095 R)
• M3: 835,205 km (0.077 R)
• M4: 1,406,669 km (0.101 R)
• M5: 1,973,346 km (0.096 R)
• M6: 2,315,027 km (0.072 R)
• M7: 3,200,796 km (0.114 R)
• M8: 3,537,690 km (0.102 R)
• M9: 3,951,927 km (0.079 R)
• M10: 5,409,459 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.2

Radius: 13.5

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.63 AU - 1.01 AU

Year: 513 Days

Day: 7.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,402,594 km

• M1: 168,148 km (0.099 R)
• M2: 601,084 km (0.088 R)
• M3: 1,085,333 km (0.091 R)
• M4: 1,791,135 km (0.067 R)
• M5: 2,565,903 km (0.074 R)
• M6: 3,014,397 km (0.106 R)
• M7: 3,451,672 km (0.051 R)
• M8: 4,058,291 km (0.074 R)
• M9: 4,912,196 km (0.095 R)
• M10: 5,791,083 km (0.067 R)
• M11: 6,631,374 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.8

Radius: 13.1

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.77 AU - 0.97 AU

Year: 560 Days

Day: 10 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,402,594 km

• M1: 166,652 km (0.111 R)
• M2: 612,902 km (0.109 R)
• M3: 1,278,164 km (0.084 R)
• M4: 1,841,400 km (0.111 R)
• M5: 2,268,652 km (0.074 R)
• M6: 3,144,398 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.6

Radius: 8.1

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.02 AU - 1.16 AU

Year: 786 Days

Day: 14 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,402,594 km

• M1: 101,128 km (0.068 R)
• M2: 366,515 km (0.112 R)
• M3: 804,089 km (0.116 R)
• M4: 1,217,727 km (0.079 R)
• M5: 2,333,727 km (0.088 R)
• M6: 3,357,275 km (0.114 R)
• M7: 3,794,101 km (0.116 R)
• M8: 4,358,833 km (0.101 R)
• M9: 5,300,851 km (0.104 R)
• M10: 5,583,142 km (0.066 R)
• M11: 5,968,955 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.4

Radius: 14.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.61 AU - 2.97 AU

Year: 3217 Days

Day: 6.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,402,594 km

• M1: 179,218 km (0.115 R)
• M2: 830,717 km (0.081 R)
• M3: 1,294,770 km (0.111 R)
• M4: 1,938,938 km (0.113 R)
• M5: 2,838,769 km (0.027 R)
• M6: 3,376,873 km (0.101 R)
• M7: 4,323,229 km (0.104 R)
• M8: 5,249,240 km (0.102 R)
• M9: 6,384,239 km (0.035 R)
• M10: 7,831,149 km (0.089 R)
• M11: 8,434,926 km (0.083 R)
• M12: 8,933,536 km (0.12 R)
• M13: 10,510,746 km (0.095 R)
• M14: 13,571,968 km (0.083 R)
• M15: 14,728,658 km (0.063 R)
• M16: 16,303,774 km (0.033 R)
• M17: 17,556,956 km (0.077 R)
• M18: 18,538,318 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.3

Radius: 14.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.05 AU - 5.47 AU

Year: 7168 Days

Day: 7.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,402,594 km

• M1: 176,974 km (0.054 R)
• M2: 706,700 km (0.1 R)
• M3: 1,693,747 km (0.109 R)
• M4: 2,241,874 km (0.051 R)
• M5: 2,734,499 km (0.063 R)
• M6: 3,942,951 km (0.08 R)
• M7: 4,891,850 km (0.12 R)
• M8: 5,574,615 km (0.079 R)
• M9: 6,805,955 km (0.099 R)
• M10: 7,581,770 km (0.11 R)
• M11: 10,266,752 km (0.072 R)
• M12: 12,269,718 km (0.053 R)
• M13: 15,433,115 km (0.117 R)
• M14: 17,844,932 km (0.108 R)
• M15: 19,610,635 km (0.058 R)
• M16: 20,498,499 km (0.069 R)
• M17: 22,997,082 km (0.105 R)
• M18: 23,569,593 km (0.046 R)
• M19: 29,445,798 km (0.116 R)
• M20: 32,926,940 km (0.048 R)
• M21: 34,287,084 km (0.091 R)
• M22: 35,575,570 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.2

Radius: 8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.47 AU - 5.73 AU

Year: 9147 Days

Day: 22.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,402,594 km

• M1: 99,483 km (0.116 R)
• M2: 351,555 km (0.087 R)
• M3: 950,395 km (0.06 R)
• M4: 1,200,673 km (0.09 R)
• M5: 1,588,729 km (0.071 R)
• M6: 2,058,766 km (0.03 R)
• M7: 2,373,819 km (0.106 R)
• M8: 2,898,160 km (0.073 R)
• M9: 3,601,419 km (0.113 R)
• M10: 4,293,908 km (0.079 R)
• M11: 6,150,866 km (0.103 R)
• M12: 6,521,121 km (0.101 R)
• M13: 6,841,111 km (0.062 R)
• M14: 7,972,071 km (0.117 R)
• M15: 8,715,572 km (0.046 R)
• M16: 9,585,783 km (0.109 R)
• M17: 9,999,870 km (0.119 R)
• M18: 10,864,097 km (0.106 R)
• M19: 14,768,451 km (0.098 R)
• M20: 15,153,965 km (0.047 R)
• M21: 16,468,182 km (0.051 R)
• M22: 17,304,434 km (0.055 R)
• M23: 18,043,448 km (0.106 R)
• M24: 21,843,683 km (0.1 R)
• M25: 22,344,237 km (0.081 R)
• M26: 23,146,531 km (0.105 R)
• M27: 25,275,009 km (0.106 R)
• M28: 26,065,783 km (0.113 R)
• M29: 26,629,019 km (0.076 R)
• M30: 27,696,699 km (0.035 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.7

Radius: 4.2

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.11 AU - 8.55 AU

Year: 16595 Days

Day: 16.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,402,594 km

• M1: 52,210 km (0.075 R)
• M2: 569,519 km (0.057 R)
• M3: 989,740 km (0.045 R)
• M4: 1,636,002 km (0.115 R)
• M5: 1,838,408 km (0.07 R)
• M6: 1,970,952 km (0.049 R)
• M7: 2,547,053 km (0.069 R)
• M8: 2,884,845 km (0.087 R)
• M9: 3,041,774 km (0.046 R)
• M10: 3,251,959 km (0.071 R)
• M11: 5,100,689 km (0.11 R)
• M12: 6,585,597 km (0.084 R)
• M13: 8,655,434 km (0.054 R)
• M14: 8,794,709 km (0.113 R)
• M15: 9,661,928 km (0.103 R)
• M16: 9,811,825 km (0.083 R)
• M17: 11,286,561 km (0.091 R)
• M18: 12,544,380 km (0.069 R)
• M19: 15,744,577 km (0.042 R)
• M20: 20,913,633 km (0.093 R)
• M21: 28,010,855 km (0.088 R)
• M22: 33,047,366 km (0.108 R)
• M23: 37,906,156 km (0.116 R)
• M24: 41,484,686 km (0.116 R)
• M25: 42,546,981 km (0.071 R)
• M26: 42,949,997 km (0.083 R)
• M27: 47,264,550 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.4

Radius: 6.7

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 7.27 AU - 9.59 AU

Year: 16895 Days

Day: 23.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,402,594 km

• M1: 83,476 km (0.102 R)
• M2: 382,073 km (0.116 R)
• M3: 952,789 km (0.05 R)
• M4: 1,534,725 km (0.1 R)
• M5: 2,351,080 km (0.076 R)
• M6: 2,865,996 km (0.049 R)
• M7: 3,479,646 km (0.096 R)
• M8: 3,831,650 km (0.086 R)
• M9: 5,133,601 km (0.118 R)
• M10: 5,847,332 km (0.099 R)
• M11: 6,625,241 km (0.118 R)
• M12: 8,918,726 km (0.079 R)
• M13: 9,947,062 km (0.1 R)
• M14: 11,813,295 km (0.082 R)
• M15: 13,374,050 km (0.092 R)
• M16: 13,701,819 km (0.099 R)
• M17: 14,305,596 km (0.059 R)
• M18: 16,747,033 km (0.108 R)
• M19: 17,514,769 km (0.082 R)
• M20: 17,907,314 km (0.074 R)
• M21: 18,466,810 km (0.045 R)
• M22: 18,955,546 km (0.052 R)
• M23: 19,369,484 km (0.043 R)
• M24: 19,704,882 km (0.081 R)
• M25: 21,351,206 km (0.045 R)
• M26: 22,436,988 km (0.1 R)
• M27: 25,411,592 km (0.092 R)
• M28: 32,836,733 km (0.093 R)
• M29: 33,074,743 km (0.082 R)
• M30: 35,517,526 km (0.102 R)
• M31: 36,782,975 km (0.082 R)
• M32: 40,759,137 km (0.114 R)
• M33: 42,005,586 km (0.041 R)
• M34: 48,621,253 km (0.106 R)
• M35: 55,392,352 km (0.097 R)
• M36: 57,609,093 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654.6

Radius: 7.4

Gravity: 11.95 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.14 AU - 9.08 AU

Year: 17439 Days

Day: 20.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,402,594 km

• M1: 92,751 km (0.091 R)
• M2: 346,469 km (0.072 R)
• M3: 1,278,912 km (0.092 R)
• M4: 1,758,074 km (0.06 R)
• M5: 2,247,558 km (0.083 R)
• M6: 4,366,313 km (0.067 R)
• M7: 5,373,107 km (0.115 R)
• M8: 7,275,094 km (0.05 R)
• M9: 7,981,944 km (0.077 R)
• M10: 8,579,737 km (0.09 R)
• M11: 9,368,417 km (0.09 R)
• M12: 9,697,084 km (0.119 R)
• M13: 14,626,932 km (0.1 R)
• M14: 15,144,241 km (0.084 R)
• M15: 17,091,706 km (0.033 R)
• M16: 20,271,559 km (0.073 R)
• M17: 22,532,730 km (0.037 R)
• M18: 22,826,690 km (0.054 R)
• M19: 23,222,526 km (0.062 R)
• M20: 26,556,913 km (0.027 R)
• M21: 27,998,139 km (0.117 R)
• M22: 31,889,479 km (0.085 R)
• M23: 41,600,625 km (0.115 R)
• M24: 48,086,740 km (0.111 R)
• M25: 55,571,570 km (0.09 R)
• M26: 64,977,686 km (0.103 R)
• M27: 66,978,108 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 19,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit