🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 10

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.55 AU - 0.61 AU

Year: 305 Days

Day: 6 Hours

Environment

Temp: -151 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,619,603 km

• M1: 124,316 km (0.063 R)
• M2: 442,959 km (0.102 R)
• M3: 797,955 km (0.091 R)
• M4: 1,605,484 km (0.077 R)
• M5: 1,942,229 km (0.104 R)
• M6: 2,761,128 km (0.097 R)
• M7: 3,299,531 km (0.076 R)
• M8: 3,784,078 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.6

Radius: 14.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.02 AU - 3.18 AU

Year: 2894 Days

Day: 7.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,619,603 km

• M1: 175,329 km (0.101 R)
• M2: 747,541 km (0.12 R)
• M3: 1,312,572 km (0.026 R)
• M4: 2,062,506 km (0.119 R)
• M5: 2,515,937 km (0.072 R)
• M6: 2,971,612 km (0.038 R)
• M7: 4,489,133 km (0.114 R)
• M8: 5,238,169 km (0.092 R)
• M9: 6,928,476 km (0.083 R)
• M10: 8,417,274 km (0.069 R)
• M11: 9,776,819 km (0.116 R)
• M12: 10,528,549 km (0.11 R)
• M13: 11,686,735 km (0.055 R)
• M14: 13,834,512 km (0.096 R)
• M15: 15,672,920 km (0.079 R)
• M16: 16,598,333 km (0.094 R)
• M17: 17,128,059 km (0.098 R)
• M18: 19,129,229 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.2

Radius: 14.8

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.22 AU - 3.64 AU

Year: 3462 Days

Day: 7.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,619,603 km

• M1: 184,005 km (0.117 R)
• M2: 774,319 km (0.11 R)
• M3: 1,349,223 km (0.074 R)
• M4: 2,225,867 km (0.113 R)
• M5: 3,155,019 km (0.076 R)
• M6: 4,083,124 km (0.083 R)
• M7: 5,837,309 km (0.074 R)
• M8: 6,541,915 km (0.058 R)
• M9: 7,107,245 km (0.052 R)
• M10: 7,946,639 km (0.092 R)
• M11: 9,544,195 km (0.113 R)
• M12: 10,067,189 km (0.064 R)
• M13: 10,566,696 km (0.093 R)
• M14: 12,542,435 km (0.11 R)
• M15: 15,454,507 km (0.089 R)
• M16: 17,810,225 km (0.119 R)
• M17: 19,042,463 km (0.108 R)
• M18: 21,063,679 km (0.089 R)
• M19: 22,511,936 km (0.044 R)
• M20: 23,009,050 km (0.076 R)
• M21: 24,247,272 km (0.099 R)
• M22: 25,760,155 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.6

Radius: 9.3

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.66 AU - 4.08 AU

Year: 4270 Days

Day: 14.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,619,603 km

• M1: 115,639 km (0.097 R)
• M2: 566,826 km (0.076 R)
• M3: 1,072,168 km (0.105 R)
• M4: 1,694,645 km (0.113 R)
• M5: 2,292,587 km (0.029 R)
• M6: 2,759,782 km (0.096 R)
• M7: 3,076,630 km (0.06 R)
• M8: 4,328,914 km (0.112 R)
• M9: 5,678,586 km (0.111 R)
• M10: 5,973,593 km (0.09 R)
• M11: 7,478,547 km (0.109 R)
• M12: 8,404,708 km (0.099 R)
• M13: 8,718,115 km (0.083 R)
• M14: 11,053,039 km (0.108 R)
• M15: 11,771,557 km (0.087 R)
• M16: 13,022,644 km (0.071 R)
• M17: 16,589,057 km (0.076 R)
• M18: 17,194,330 km (0.115 R)
• M19: 19,825,009 km (0.114 R)
• M20: 22,048,333 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.3

Radius: 8.5

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.46 AU - 4.26 AU

Year: 5235 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,619,603 km

• M1: 105,766 km (0.102 R)
• M2: 378,333 km (0.078 R)
• M3: 972,237 km (0.057 R)
• M4: 1,343,838 km (0.035 R)
• M5: 1,609,075 km (0.073 R)
• M6: 2,364,843 km (0.117 R)
• M7: 3,458,254 km (0.068 R)
• M8: 3,888,797 km (0.073 R)
• M9: 4,643,368 km (0.109 R)
• M10: 5,351,714 km (0.076 R)
• M11: 5,756,227 km (0.068 R)
• M12: 7,910,436 km (0.083 R)
• M13: 8,404,558 km (0.074 R)
• M14: 9,905,025 km (0.065 R)
• M15: 10,189,410 km (0.099 R)
• M16: 11,037,480 km (0.076 R)
• M17: 12,540,640 km (0.111 R)
• M18: 13,169,998 km (0.087 R)
• M19: 13,688,355 km (0.076 R)
• M20: 15,754,750 km (0.094 R)
• M21: 16,045,120 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.2

Radius: 5

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.69 AU - 6.29 AU

Year: 10119 Days

Day: 24.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,619,603 km

• M1: 62,233 km (0.083 R)
• M2: 223,050 km (0.119 R)
• M3: 404,812 km (0.049 R)
• M4: 1,169,855 km (0.089 R)
• M5: 1,559,857 km (0.114 R)
• M6: 1,806,693 km (0.104 R)
• M7: 2,127,282 km (0.096 R)
• M8: 2,557,525 km (0.075 R)
• M9: 2,764,269 km (0.099 R)
• M10: 3,023,074 km (0.09 R)
• M11: 3,407,839 km (0.091 R)
• M12: 3,729,176 km (0.088 R)
• M13: 6,196,643 km (0.093 R)
• M14: 7,476,902 km (0.07 R)
• M15: 10,643,290 km (0.092 R)
• M16: 11,179,598 km (0.09 R)
• M17: 12,043,526 km (0.092 R)
• M18: 13,505,845 km (0.067 R)
• M19: 15,082,457 km (0.092 R)
• M20: 15,946,385 km (0.099 R)
• M21: 18,112,712 km (0.11 R)
• M22: 18,457,086 km (0.082 R)
• M23: 18,665,925 km (0.101 R)
• M24: 19,017,330 km (0.035 R)
• M25: 19,878,864 km (0.062 R)
• M26: 21,067,569 km (0.103 R)
• M27: 21,372,001 km (0.112 R)
• M28: 23,422,688 km (0.073 R)
• M29: 23,913,818 km (0.08 R)
• M30: 26,827,985 km (0.069 R)
• M31: 29,398,674 km (0.106 R)
• M32: 32,330,194 km (0.053 R)
• M33: 33,143,707 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.3

Radius: 6.1

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.11 AU - 7.01 AU

Year: 10297 Days

Day: 23 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,619,603 km

• M1: 75,846 km (0.036 R)
• M2: 354,397 km (0.086 R)
• M3: 571,314 km (0.108 R)
• M4: 971,489 km (0.071 R)
• M5: 1,260,661 km (0.111 R)
• M6: 1,870,123 km (0.068 R)
• M7: 2,502,922 km (0.097 R)
• M8: 3,542,328 km (0.075 R)
• M9: 4,789,675 km (0.115 R)
• M10: 5,087,076 km (0.108 R)
• M11: 5,688,908 km (0.09 R)
• M12: 6,596,668 km (0.074 R)
• M13: 8,343,971 km (0.058 R)
• M14: 8,774,962 km (0.074 R)
• M15: 9,303,192 km (0.111 R)
• M16: 10,157,097 km (0.027 R)
• M17: 13,187,800 km (0.115 R)
• M18: 13,664,868 km (0.1 R)
• M19: 14,541,362 km (0.098 R)
• M20: 14,993,297 km (0.08 R)
• M21: 16,284,775 km (0.047 R)
• M22: 19,154,063 km (0.089 R)
• M23: 20,180,753 km (0.115 R)
• M24: 22,945,172 km (0.096 R)
• M25: 24,338,676 km (0.072 R)
• M26: 25,056,147 km (0.107 R)
• M27: 25,623,871 km (0.102 R)
• M28: 27,635,514 km (0.11 R)
• M29: 29,390,297 km (0.098 R)
• M30: 29,840,437 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.8

Radius: 4

Gravity: 36.11 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.92 AU - 9.24 AU

Year: 15854 Days

Day: 16.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,619,603 km

• M1: 55,052 km (0.118 R)
• M2: 379,530 km (0.106 R)
• M3: 759,957 km (0.099 R)
• M4: 988,244 km (0.045 R)
• M5: 1,444,218 km (0.103 R)
• M6: 2,467,916 km (0.099 R)
• M7: 3,784,377 km (0.119 R)
• M8: 4,608,063 km (0.084 R)
• M9: 5,656,295 km (0.086 R)
• M10: 10,624,890 km (0.088 R)
• M11: 11,444,088 km (0.091 R)
• M12: 16,254,257 km (0.113 R)
• M13: 17,102,926 km (0.104 R)
• M14: 17,899,684 km (0.036 R)
• M15: 20,973,023 km (0.055 R)
• M16: 21,792,819 km (0.05 R)
• M17: 24,579,678 km (0.098 R)
• M18: 26,528,938 km (0.095 R)
• M19: 31,081,202 km (0.082 R)
• M20: 35,869,530 km (0.107 R)
• M21: 39,457,785 km (0.098 R)
• M22: 40,565,258 km (0.081 R)
• M23: 45,052,446 km (0.092 R)
• M24: 50,019,694 km (0.047 R)
• M25: 50,180,511 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.6

Radius: 7.6

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.95 AU - 11.09 AU

Year: 18699 Days

Day: 21.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,619,603 km

• M1: 94,546 km (0.066 R)
• M2: 441,912 km (0.104 R)
• M3: 1,214,136 km (0.109 R)
• M4: 1,686,566 km (0.118 R)
• M5: 1,947,465 km (0.091 R)
• M6: 4,541,193 km (0.102 R)
• M7: 6,768,855 km (0.093 R)
• M8: 8,690,140 km (0.118 R)
• M9: 10,194,347 km (0.11 R)
• M10: 10,771,346 km (0.103 R)
• M11: 11,067,998 km (0.092 R)
• M12: 11,492,258 km (0.107 R)
• M13: 15,361,757 km (0.109 R)
• M14: 27,808,599 km (0.111 R)
• M15: 35,276,225 km (0.114 R)
• M16: 40,742,980 km (0.104 R)
• M17: 44,583,606 km (0.085 R)
• M18: 50,455,472 km (0.12 R)
• M19: 51,286,488 km (0.055 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.2

Radius: 4.5

Gravity: 30.43 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.31 AU - 9.83 AU

Year: 18855 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,619,603 km

• M1: 56,249 km (0.104 R)
• M2: 241,451 km (0.097 R)
• M3: 453,880 km (0.113 R)
• M4: 728,242 km (0.066 R)
• M5: 1,043,744 km (0.113 R)
• M6: 1,706,762 km (0.048 R)
• M7: 1,923,380 km (0.111 R)
• M8: 2,303,807 km (0.1 R)
• M9: 2,708,769 km (0.093 R)
• M10: 3,927,991 km (0.098 R)
• M11: 4,177,670 km (0.081 R)
• M12: 4,437,970 km (0.107 R)
• M13: 6,107,931 km (0.094 R)
• M14: 6,879,707 km (0.112 R)
• M15: 8,929,497 km (0.079 R)
• M16: 9,252,030 km (0.08 R)
• M17: 9,638,292 km (0.119 R)
• M18: 10,861,404 km (0.05 R)
• M19: 11,228,966 km (0.055 R)
• M20: 12,381,767 km (0.078 R)
• M21: 14,401,338 km (0.11 R)
• M22: 16,310,057 km (0.112 R)
• M23: 29,233,518 km (0.057 R)
• M24: 29,469,135 km (0.102 R)
• M25: 31,523,413 km (0.088 R)
• M26: 33,157,171 km (0.094 R)
• M27: 36,049,197 km (0.107 R)
• M28: 38,395,939 km (0.095 R)
• M29: 40,403,393 km (0.051 R)
• M30: 50,474,920 km (0.101 R)
• M31: 50,984,151 km (0.073 R)
• M32: 54,645,409 km (0.118 R)
• M33: 55,002,948 km (0.119 R)
• M34: 64,258,569 km (0.109 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 18,175 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit