🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526

Radius: 11.5

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.51 AU - 0.51 AU

Year: 243 Days

Day: 12.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,171,157 km

• M1: 143,016 km (0.103 R)
• M2: 606,919 km (0.117 R)
• M3: 1,092,364 km (0.062 R)
• M4: 1,606,083 km (0.109 R)
• M5: 2,065,498 km (0.086 R)
• M6: 2,562,462 km (0.076 R)
• M7: 3,352,339 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153

Radius: 14.9

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.14 AU - 1.3 AU

Year: 899 Days

Day: 11.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,171,157 km

• M1: 186,848 km (0.078 R)
• M2: 663,317 km (0.103 R)
• M3: 1,310,477 km (0.089 R)
• M4: 1,780,065 km (0.061 R)
• M5: 2,276,431 km (0.04 R)
• M6: 3,266,170 km (0.116 R)
• M7: 3,943,998 km (0.07 R)
• M8: 4,642,022 km (0.075 R)
• M9: 5,309,528 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.9

Radius: 8.8

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.84 AU - 2 AU

Year: 1774 Days

Day: 5.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,171,157 km

• M1: 109,506 km (0.049 R)
• M2: 431,141 km (0.104 R)
• M3: 749,186 km (0.057 R)
• M4: 1,235,529 km (0.082 R)
• M5: 1,551,480 km (0.073 R)
• M6: 1,901,090 km (0.086 R)
• M7: 2,349,883 km (0.113 R)
• M8: 2,936,157 km (0.093 R)
• M9: 3,460,348 km (0.118 R)
• M10: 4,166,899 km (0.087 R)
• M11: 4,887,811 km (0.098 R)
• M12: 5,268,089 km (0.102 R)
• M13: 5,603,487 km (0.098 R)
• M14: 6,201,879 km (0.062 R)
• M15: 7,040,375 km (0.116 R)
• M16: 7,447,880 km (0.105 R)
• M17: 9,851,917 km (0.119 R)
• M18: 11,645,297 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.3

Radius: 10.1

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.98 AU - 2.28 AU

Year: 2073 Days

Day: 7.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,171,157 km

• M1: 125,662 km (0.06 R)
• M2: 467,493 km (0.084 R)
• M3: 1,841,400 km (0.028 R)
• M4: 2,193,254 km (0.052 R)
• M5: 2,561,415 km (0.066 R)
• M6: 4,260,398 km (0.109 R)
• M7: 4,618,236 km (0.081 R)
• M8: 5,275,270 km (0.117 R)
• M9: 5,713,741 km (0.042 R)
• M10: 6,416,851 km (0.119 R)
• M11: 7,205,980 km (0.057 R)
• M12: 7,563,369 km (0.091 R)
• M13: 7,995,258 km (0.102 R)
• M14: 8,476,365 km (0.106 R)
• M15: 8,976,620 km (0.071 R)
• M16: 9,426,012 km (0.103 R)
• M17: 9,926,716 km (0.093 R)
• M18: 10,295,026 km (0.033 R)
• M19: 10,634,464 km (0.115 R)
• M20: 11,415,514 km (0.104 R)
• M21: 12,830,411 km (0.086 R)
• M22: 13,223,704 km (0.083 R)
• M23: 13,988,747 km (0.079 R)
• M24: 16,770,071 km (0.061 R)
• M25: 18,483,266 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.2

Radius: 14

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.34 AU - 2.72 AU

Year: 2684 Days

Day: 12.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,171,157 km

• M1: 175,030 km (0.088 R)
• M2: 895,642 km (0.093 R)
• M3: 2,085,544 km (0.114 R)
• M4: 2,676,007 km (0.066 R)
• M5: 3,630,740 km (0.034 R)
• M6: 4,260,248 km (0.03 R)
• M7: 5,101,736 km (0.115 R)
• M8: 5,537,664 km (0.116 R)
• M9: 6,738,337 km (0.117 R)
• M10: 7,945,592 km (0.091 R)
• M11: 8,804,732 km (0.1 R)
• M12: 9,983,264 km (0.085 R)
• M13: 11,386,343 km (0.1 R)
• M14: 12,435,473 km (0.109 R)
• M15: 12,917,178 km (0.106 R)
• M16: 14,677,795 km (0.06 R)
• M17: 16,125,603 km (0.117 R)
• M18: 16,804,628 km (0.046 R)
• M19: 17,557,105 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.6

Radius: 10.4

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.11 AU - 6.49 AU

Year: 8137 Days

Day: 7.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,171,157 km

• M1: 137,032 km (0.113 R)
• M2: 784,042 km (0.084 R)
• M3: 1,451,249 km (0.102 R)
• M4: 1,917,246 km (0.049 R)
• M5: 2,464,475 km (0.083 R)
• M6: 4,233,470 km (0.064 R)
• M7: 6,657,853 km (0.119 R)
• M8: 7,614,382 km (0.097 R)
• M9: 8,619,680 km (0.113 R)
• M10: 11,517,989 km (0.099 R)
• M11: 12,630,847 km (0.036 R)
• M12: 15,906,891 km (0.074 R)
• M13: 16,275,201 km (0.115 R)
• M14: 17,349,763 km (0.045 R)
• M15: 21,004,139 km (0.082 R)
• M16: 24,730,174 km (0.085 R)
• M17: 25,979,316 km (0.082 R)
• M18: 26,921,932 km (0.111 R)
• M19: 28,333,238 km (0.116 R)
• M20: 31,016,127 km (0.043 R)
• M21: 31,495,289 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.2

Radius: 7.3

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.7 AU - 9.16 AU

Year: 13506 Days

Day: 18.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,171,157 km

• M1: 90,806 km (0.045 R)
• M2: 449,242 km (0.089 R)
• M3: 834,008 km (0.069 R)
• M4: 1,244,056 km (0.094 R)
• M5: 2,051,585 km (0.118 R)
• M6: 2,588,941 km (0.105 R)
• M7: 2,868,689 km (0.067 R)
• M8: 3,121,060 km (0.119 R)
• M9: 4,961,862 km (0.111 R)
• M10: 5,293,221 km (0.1 R)
• M11: 5,745,755 km (0.115 R)
• M12: 6,224,019 km (0.083 R)
• M13: 6,531,144 km (0.047 R)
• M14: 8,405,904 km (0.049 R)
• M15: 9,266,990 km (0.111 R)
• M16: 11,617,920 km (0.102 R)
• M17: 11,849,647 km (0.089 R)
• M18: 12,262,537 km (0.119 R)
• M19: 13,305,235 km (0.066 R)
• M20: 13,880,738 km (0.065 R)
• M21: 14,472,547 km (0.101 R)
• M22: 17,916,739 km (0.112 R)
• M23: 25,974,229 km (0.113 R)
• M24: 27,176,398 km (0.098 R)
• M25: 29,907,606 km (0.116 R)
• M26: 30,894,055 km (0.103 R)
• M27: 33,163,754 km (0.095 R)
• M28: 34,339,144 km (0.106 R)
• M29: 34,577,603 km (0.112 R)
• M30: 35,178,388 km (0.108 R)
• M31: 40,902,601 km (0.103 R)
• M32: 43,217,179 km (0.078 R)
• M33: 45,045,116 km (0.093 R)
• M34: 47,512,583 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.2

Radius: 3.2

Gravity: 57.64 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 9.2 AU - 9.94 AU

Year: 19742 Days

Day: 15.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 84,171,157 km

• M1: 43,982 km (0.034 R)
• M2: 286,779 km (0.065 R)
• M3: 472,280 km (0.113 R)
• M4: 613,650 km (0.087 R)
• M5: 814,112 km (0.084 R)
• M6: 982,708 km (0.084 R)
• M7: 1,094,757 km (0.045 R)
• M8: 1,300,753 km (0.105 R)
• M9: 2,115,613 km (0.041 R)
• M10: 3,644,204 km (0.102 R)
• M11: 5,020,505 km (0.106 R)
• M12: 5,241,760 km (0.089 R)
• M13: 6,026,700 km (0.084 R)
• M14: 6,150,866 km (0.071 R)
• M15: 6,752,997 km (0.075 R)
• M16: 6,886,888 km (0.071 R)
• M17: 7,252,804 km (0.08 R)
• M18: 7,679,906 km (0.082 R)
• M19: 8,793,812 km (0.116 R)
• M20: 12,040,684 km (0.098 R)
• M21: 12,171,881 km (0.085 R)
• M22: 13,255,718 km (0.051 R)
• M23: 15,458,247 km (0.093 R)
• M24: 16,645,755 km (0.105 R)
• M25: 19,560,071 km (0.07 R)
• M26: 23,199,488 km (0.112 R)
• M27: 24,019,285 km (0.041 R)
• M28: 30,547,885 km (0.113 R)
• M29: 39,739,777 km (0.117 R)
• M30: 46,309,966 km (0.105 R)
• M31: 50,104,516 km (0.105 R)
• M32: 53,568,006 km (0.111 R)
• M33: 56,451,056 km (0.105 R)
• M34: 57,372,728 km (0.108 R)
• M35: 58,679,914 km (0.084 R)
• M36: 60,966,817 km (0.112 R)
• M37: 64,107,475 km (0.1 R)
• M38: 69,227,911 km (0.08 R)
• M39: 70,496,052 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 731

Radius: 6.3

Gravity: 18.42 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.62 AU - 10.18 AU

Year: 20772 Days

Day: 19 Hours

Environment

Temp: -236 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,171,157 km

• M1: 78,389 km (0.102 R)
• M2: 347,217 km (0.057 R)
• M3: 669,002 km (0.091 R)
• M4: 938,278 km (0.077 R)
• M5: 1,611,767 km (0.068 R)
• M6: 1,903,184 km (0.038 R)
• M7: 2,474,648 km (0.094 R)
• M8: 2,813,188 km (0.101 R)
• M9: 3,703,146 km (0.111 R)
• M10: 4,081,030 km (0.032 R)
• M11: 5,528,838 km (0.074 R)
• M12: 6,590,684 km (0.079 R)
• M13: 7,241,435 km (0.082 R)
• M14: 8,455,571 km (0.066 R)
• M15: 9,508,441 km (0.084 R)
• M16: 10,770,897 km (0.101 R)
• M17: 12,762,643 km (0.06 R)
• M18: 14,370,820 km (0.042 R)
• M19: 16,775,008 km (0.084 R)
• M20: 22,057,608 km (0.115 R)
• M21: 28,231,661 km (0.05 R)
• M22: 30,186,606 km (0.042 R)
• M23: 33,419,117 km (0.115 R)
• M24: 33,821,835 km (0.092 R)
• M25: 36,306,805 km (0.078 R)
• M26: 41,173,822 km (0.101 R)
• M27: 43,682,728 km (0.118 R)
• M28: 48,144,634 km (0.061 R)
• M29: 65,615,720 km (0.065 R)
• M30: 67,951,093 km (0.113 R)
• M31: 70,121,758 km (0.098 R)
• M32: 73,463,625 km (0.11 R)
• M33: 75,749,630 km (0.105 R)
• M34: 79,505,135 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.5

Radius: 3.3

Gravity: 69.28 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.53 AU - 12.15 AU

Year: 22172 Days

Day: 24.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 84,171,157 km

• M1: 43,533 km (0.057 R)
• M2: 169,046 km (0.045 R)
• M3: 276,906 km (0.101 R)
• M4: 461,659 km (0.042 R)
• M5: 1,263,204 km (0.103 R)
• M6: 1,419,684 km (0.082 R)
• M7: 2,071,781 km (0.09 R)
• M8: 2,596,121 km (0.084 R)
• M9: 2,849,839 km (0.094 R)
• M10: 3,147,689 km (0.109 R)
• M11: 3,495,653 km (0.032 R)
• M12: 4,098,533 km (0.09 R)
• M13: 4,621,078 km (0.032 R)
• M14: 5,839,403 km (0.108 R)
• M15: 6,185,423 km (0.118 R)
• M16: 6,545,056 km (0.108 R)
• M17: 9,000,556 km (0.084 R)
• M18: 9,114,549 km (0.08 R)
• M19: 10,494,291 km (0.078 R)
• M20: 10,620,551 km (0.055 R)
• M21: 11,599,520 km (0.106 R)
• M22: 11,870,441 km (0.114 R)
• M23: 14,579,509 km (0.113 R)
• M24: 18,122,436 km (0.042 R)
• M25: 18,579,008 km (0.088 R)
• M26: 21,480,758 km (0.041 R)
• M27: 22,406,769 km (0.081 R)
• M28: 25,800,098 km (0.072 R)
• M29: 25,914,989 km (0.039 R)
• M30: 27,200,633 km (0.066 R)
• M31: 28,161,949 km (0.069 R)
• M32: 32,101,160 km (0.111 R)
• M33: 37,853,796 km (0.113 R)
• M34: 51,343,635 km (0.106 R)
• M35: 51,525,247 km (0.109 R)
• M36: 66,195,113 km (0.082 R)
• M37: 67,711,736 km (0.113 R)
• M38: 68,809,037 km (0.059 R)
• M39: 71,717,518 km (0.068 R)
• M40: 77,062,052 km (0.089 R)
• M41: 78,739,792 km (0.071 R)
• M42: 83,165,645 km (0.051 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 20,003 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit