🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 11.3

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.54 AU - 0.88 AU

Year: 399 Days

Day: 8.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,335,500 km

• M1: 140,772 km (0.111 R)
• M2: 512,971 km (0.112 R)
• M3: 889,808 km (0.107 R)
• M4: 1,257,520 km (0.119 R)
• M5: 1,613,862 km (0.111 R)
• M6: 2,258,329 km (0.115 R)
• M7: 2,775,041 km (0.093 R)
• M8: 3,183,891 km (0.103 R)
• M9: 3,644,803 km (0.086 R)
• M10: 4,306,474 km (0.087 R)
• M11: 4,701,412 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.3

Radius: 11.3

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.18 AU - 1.62 AU

Year: 1105 Days

Day: 11 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,335,500 km

• M1: 140,622 km (0.112 R)
• M2: 498,759 km (0.069 R)
• M3: 1,176,288 km (0.093 R)
• M4: 1,598,752 km (0.075 R)
• M5: 2,537,180 km (0.104 R)
• M6: 3,134,823 km (0.096 R)
• M7: 4,176,623 km (0.045 R)
• M8: 6,143,536 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64

Radius: 10

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.25 AU - 1.57 AU

Year: 1116 Days

Day: 7.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,335,500 km

• M1: 124,316 km (0.05 R)
• M2: 569,669 km (0.12 R)
• M3: 956,230 km (0.112 R)
• M4: 1,330,972 km (0.088 R)
• M5: 1,650,663 km (0.075 R)
• M6: 2,787,158 km (0.094 R)
• M7: 3,134,524 km (0.101 R)
• M8: 3,698,209 km (0.042 R)
• M9: 4,697,373 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.2

Radius: 8.9

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.5 AU - 1.8 AU

Year: 1413 Days

Day: 5 Hours

Environment

Temp: -188 °C

Axial Tilt: 165.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,335,500 km

• M1: 110,702 km (0.104 R)
• M2: 404,064 km (0.027 R)
• M3: 784,790 km (0.096 R)
• M4: 1,124,826 km (0.104 R)
• M5: 1,616,704 km (0.079 R)
• M6: 2,409,573 km (0.116 R)
• M7: 2,708,021 km (0.084 R)
• M8: 3,073,339 km (0.096 R)
• M9: 3,659,314 km (0.087 R)
• M10: 3,987,830 km (0.117 R)
• M11: 4,742,103 km (0.043 R)
• M12: 5,440,575 km (0.084 R)
• M13: 6,298,070 km (0.095 R)
• M14: 6,674,907 km (0.065 R)
• M15: 8,113,590 km (0.085 R)
• M16: 9,810,928 km (0.036 R)
• M17: 10,447,466 km (0.063 R)
• M18: 11,980,246 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.2

Radius: 10.1

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.72 AU - 2.48 AU

Year: 2029 Days

Day: 15 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,335,500 km

• M1: 125,662 km (0.079 R)
• M2: 714,928 km (0.067 R)
• M3: 1,373,009 km (0.097 R)
• M4: 2,144,635 km (0.086 R)
• M5: 2,503,969 km (0.093 R)
• M6: 2,903,545 km (0.097 R)
• M7: 3,741,892 km (0.099 R)
• M8: 4,306,025 km (0.052 R)
• M9: 4,991,034 km (0.087 R)
• M10: 5,510,288 km (0.1 R)
• M11: 5,966,113 km (0.069 R)
• M12: 8,107,008 km (0.077 R)
• M13: 8,476,664 km (0.036 R)
• M14: 11,581,119 km (0.091 R)
• M15: 12,451,928 km (0.103 R)
• M16: 12,986,442 km (0.1 R)
• M17: 13,622,382 km (0.077 R)
• M18: 15,233,252 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.6

Radius: 15

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.39 AU - 3.81 AU

Year: 3640 Days

Day: 5.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,335,500 km

• M1: 186,549 km (0.1 R)
• M2: 777,161 km (0.1 R)
• M3: 1,520,812 km (0.061 R)
• M4: 2,026,902 km (0.079 R)
• M5: 3,026,664 km (0.058 R)
• M6: 3,631,040 km (0.109 R)
• M7: 4,179,765 km (0.08 R)
• M8: 5,019,757 km (0.095 R)
• M9: 7,064,610 km (0.063 R)
• M10: 8,382,268 km (0.097 R)
• M11: 8,985,596 km (0.084 R)
• M12: 10,934,408 km (0.07 R)
• M13: 11,850,844 km (0.112 R)
• M14: 12,653,287 km (0.072 R)
• M15: 13,706,755 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.9

Radius: 8.4

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.59 AU - 4.75 AU

Year: 6730 Days

Day: 12.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,335,500 km

• M1: 104,419 km (0.076 R)
• M2: 429,944 km (0.095 R)
• M3: 748,737 km (0.115 R)
• M4: 1,130,661 km (0.12 R)
• M5: 1,639,742 km (0.078 R)
• M6: 3,751,167 km (0.087 R)
• M7: 4,751,528 km (0.103 R)
• M8: 5,040,850 km (0.106 R)
• M9: 5,742,314 km (0.086 R)
• M10: 7,619,169 km (0.092 R)
• M11: 8,542,188 km (0.094 R)
• M12: 9,291,973 km (0.1 R)
• M13: 10,344,693 km (0.088 R)
• M14: 10,877,261 km (0.067 R)
• M15: 11,428,081 km (0.093 R)
• M16: 13,192,438 km (0.119 R)
• M17: 13,555,512 km (0.068 R)
• M18: 13,978,575 km (0.102 R)
• M19: 14,574,573 km (0.062 R)
• M20: 15,875,625 km (0.111 R)
• M21: 16,764,685 km (0.104 R)
• M22: 17,499,660 km (0.11 R)
• M23: 18,771,990 km (0.114 R)
• M24: 20,310,155 km (0.059 R)
• M25: 21,930,599 km (0.1 R)
• M26: 22,440,429 km (0.109 R)
• M27: 23,408,177 km (0.047 R)
• M28: 24,171,276 km (0.11 R)
• M29: 27,474,547 km (0.118 R)
• M30: 29,365,314 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 936.4

Radius: 4.6

Gravity: 44.25 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.26 AU - 7.2 AU

Year: 10370 Days

Day: 23 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,335,500 km

• M1: 57,894 km (0.07 R)
• M2: 413,189 km (0.103 R)
• M3: 598,242 km (0.069 R)
• M4: 754,721 km (0.098 R)
• M5: 1,357,750 km (0.085 R)
• M6: 1,858,006 km (0.119 R)
• M7: 2,031,539 km (0.098 R)
• M8: 2,312,334 km (0.11 R)
• M9: 2,576,225 km (0.069 R)
• M10: 2,905,340 km (0.12 R)
• M11: 4,005,034 km (0.112 R)
• M12: 5,745,755 km (0.092 R)
• M13: 9,065,781 km (0.072 R)
• M14: 9,567,083 km (0.105 R)
• M15: 10,192,851 km (0.106 R)
• M16: 12,113,388 km (0.045 R)
• M17: 13,348,917 km (0.039 R)
• M18: 16,140,114 km (0.026 R)
• M19: 16,875,537 km (0.114 R)
• M20: 19,215,398 km (0.116 R)
• M21: 23,674,461 km (0.1 R)
• M22: 24,335,684 km (0.081 R)
• M23: 25,497,760 km (0.111 R)
• M24: 28,141,603 km (0.093 R)
• M25: 32,556,835 km (0.092 R)
• M26: 35,538,470 km (0.06 R)
• M27: 38,308,574 km (0.032 R)
• M28: 40,545,212 km (0.087 R)
• M29: 42,451,388 km (0.096 R)
• M30: 43,707,711 km (0.066 R)
• M31: 47,476,231 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.2

Radius: 6.7

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.01 AU - 8.17 AU

Year: 12589 Days

Day: 19.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 65,335,500 km

• M1: 83,326 km (0.103 R)
• M2: 338,540 km (0.047 R)
• M3: 555,906 km (0.108 R)
• M4: 880,683 km (0.099 R)
• M5: 1,110,315 km (0.061 R)
• M6: 1,739,973 km (0.108 R)
• M7: 2,124,739 km (0.112 R)
• M8: 3,300,727 km (0.112 R)
• M9: 6,161,188 km (0.115 R)
• M10: 6,892,871 km (0.111 R)
• M11: 7,552,897 km (0.112 R)
• M12: 7,898,169 km (0.037 R)
• M13: 9,435,287 km (0.077 R)
• M14: 10,564,602 km (0.082 R)
• M15: 12,187,439 km (0.105 R)
• M16: 12,423,505 km (0.112 R)
• M17: 13,587,376 km (0.061 R)
• M18: 17,068,070 km (0.037 R)
• M19: 17,363,825 km (0.077 R)
• M20: 21,527,283 km (0.094 R)
• M21: 23,020,868 km (0.114 R)
• M22: 25,725,897 km (0.091 R)
• M23: 27,812,039 km (0.071 R)
• M24: 30,874,757 km (0.081 R)
• M25: 34,980,321 km (0.077 R)
• M26: 38,288,079 km (0.098 R)
• M27: 42,742,505 km (0.105 R)
• M28: 44,672,916 km (0.077 R)
• M29: 50,355,690 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.5

Radius: 6.8

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.03 AU - 9.79 AU

Year: 17736 Days

Day: 21.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,335,500 km

• M1: 86,019 km (0.099 R)
• M2: 399,576 km (0.049 R)
• M3: 1,091,915 km (0.086 R)
• M4: 1,326,634 km (0.081 R)
• M5: 1,579,155 km (0.109 R)
• M6: 2,882,153 km (0.096 R)
• M7: 4,015,057 km (0.035 R)
• M8: 4,229,431 km (0.115 R)
• M9: 5,605,133 km (0.098 R)
• M10: 6,353,422 km (0.034 R)
• M11: 9,419,131 km (0.053 R)
• M12: 9,634,851 km (0.113 R)
• M13: 10,076,464 km (0.089 R)
• M14: 10,705,523 km (0.117 R)
• M15: 12,684,553 km (0.101 R)
• M16: 17,512,376 km (0.106 R)
• M17: 19,273,591 km (0.065 R)
• M18: 20,511,214 km (0.085 R)
• M19: 25,364,169 km (0.095 R)
• M20: 26,205,508 km (0.119 R)
• M21: 29,411,989 km (0.096 R)
• M22: 36,325,804 km (0.107 R)
• M23: 37,259,444 km (0.087 R)
• M24: 37,664,555 km (0.053 R)
• M25: 38,209,241 km (0.106 R)
• M26: 42,023,687 km (0.117 R)
• M27: 51,393,301 km (0.093 R)
• M28: 56,917,053 km (0.12 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 17,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit