🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.8

Radius: 9.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.58 AU - 0.9 AU

Year: 418 Days

Day: 14.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,877,232 km

• M1: 119,379 km (0.096 R)
• M2: 556,055 km (0.094 R)
• M3: 1,025,045 km (0.098 R)
• M4: 1,672,205 km (0.049 R)
• M5: 3,872,341 km (0.059 R)
• M6: 4,537,752 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.5

Radius: 9.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.76 AU - 0.84 AU

Year: 469 Days

Day: 9 Hours

Environment

Temp: -155 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,877,232 km

• M1: 113,545 km (0.063 R)
• M2: 420,520 km (0.046 R)
• M3: 769,083 km (0.117 R)
• M4: 1,177,335 km (0.113 R)
• M5: 1,600,847 km (0.07 R)
• M6: 2,140,746 km (0.108 R)
• M7: 2,495,741 km (0.075 R)
• M8: 2,818,125 km (0.083 R)
• M9: 3,190,324 km (0.106 R)
• M10: 3,667,990 km (0.041 R)
• M11: 4,636,337 km (0.067 R)
• M12: 4,929,399 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.1

Radius: 8.3

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.67 AU - 0.97 AU

Year: 487 Days

Day: 12.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,877,232 km

• M1: 106,214 km (0.059 R)
• M2: 376,687 km (0.034 R)
• M3: 808,427 km (0.074 R)
• M4: 1,268,740 km (0.069 R)
• M5: 2,071,631 km (0.047 R)
• M6: 2,838,470 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.8

Radius: 11.3

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.94 AU - 1.04 AU

Year: 646 Days

Day: 14.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,877,232 km

• M1: 140,622 km (0.106 R)
• M2: 504,145 km (0.04 R)
• M3: 906,563 km (0.115 R)
• M4: 1,354,758 km (0.114 R)
• M5: 1,842,896 km (0.073 R)
• M6: 2,397,455 km (0.112 R)
• M7: 2,834,580 km (0.076 R)
• M8: 3,629,843 km (0.113 R)
• M9: 4,080,282 km (0.074 R)
• M10: 4,598,639 km (0.078 R)
• M11: 5,127,317 km (0.055 R)
• M12: 5,785,997 km (0.073 R)
• M13: 6,838,418 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.9

Radius: 13.3

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.94 AU - 1.1 AU

Year: 676 Days

Day: 10.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,877,232 km

• M1: 165,455 km (0.113 R)
• M2: 580,290 km (0.104 R)
• M3: 1,019,958 km (0.118 R)
• M4: 1,565,841 km (0.097 R)
• M5: 2,205,821 km (0.072 R)
• M6: 2,884,546 km (0.118 R)
• M7: 3,547,115 km (0.05 R)
• M8: 4,338,039 km (0.112 R)
• M9: 5,325,834 km (0.087 R)
• M10: 6,271,442 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.8

Radius: 10.3

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.8 AU - 1.3 AU

Year: 706 Days

Day: 10.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,877,232 km

• M1: 128,205 km (0.062 R)
• M2: 564,283 km (0.076 R)
• M3: 921,523 km (0.068 R)
• M4: 1,405,023 km (0.084 R)
• M5: 1,840,951 km (0.101 R)
• M6: 2,210,907 km (0.034 R)
• M7: 2,573,831 km (0.083 R)
• M8: 3,747,576 km (0.074 R)
• M9: 4,315,599 km (0.029 R)
• M10: 5,137,340 km (0.069 R)
• M11: 5,760,416 km (0.086 R)
• M12: 6,799,672 km (0.108 R)
• M13: 7,741,690 km (0.078 R)
• M14: 8,716,170 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.1

Radius: 8.2

Gravity: 14.32 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.87 AU - 2.53 AU

Year: 2141 Days

Day: 8.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,877,232 km

• M1: 102,774 km (0.119 R)
• M2: 369,507 km (0.047 R)
• M3: 776,413 km (0.046 R)
• M4: 1,507,947 km (0.082 R)
• M5: 1,786,348 km (0.096 R)
• M6: 2,652,370 km (0.085 R)
• M7: 2,996,146 km (0.084 R)
• M8: 3,792,904 km (0.073 R)
• M9: 4,209,983 km (0.099 R)
• M10: 4,591,458 km (0.077 R)
• M11: 5,065,683 km (0.106 R)
• M12: 5,647,170 km (0.058 R)
• M13: 5,980,324 km (0.12 R)
• M14: 6,518,428 km (0.042 R)
• M15: 8,165,501 km (0.105 R)
• M16: 8,558,793 km (0.096 R)
• M17: 9,561,548 km (0.091 R)
• M18: 10,184,773 km (0.106 R)
• M19: 10,717,939 km (0.094 R)
• M20: 12,515,657 km (0.119 R)
• M21: 12,775,359 km (0.028 R)
• M22: 15,377,315 km (0.085 R)
• M23: 15,876,373 km (0.097 R)
• M24: 16,334,891 km (0.105 R)
• M25: 18,704,222 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.2

Radius: 8.7

Gravity: 12.47 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.19 AU - 4.97 AU

Year: 5406 Days

Day: 5.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,877,232 km

• M1: 109,356 km (0.099 R)
• M2: 412,292 km (0.089 R)
• M3: 795,113 km (0.082 R)
• M4: 1,264,700 km (0.114 R)
• M5: 1,714,092 km (0.075 R)
• M6: 2,505,166 km (0.103 R)
• M7: 4,085,069 km (0.118 R)
• M8: 5,512,682 km (0.082 R)
• M9: 6,817,773 km (0.094 R)
• M10: 8,317,791 km (0.085 R)
• M11: 9,578,752 km (0.096 R)
• M12: 10,962,682 km (0.075 R)
• M13: 13,446,754 km (0.061 R)
• M14: 15,723,783 km (0.09 R)
• M15: 18,450,953 km (0.066 R)
• M16: 22,167,562 km (0.106 R)
• M17: 23,914,566 km (0.068 R)
• M18: 24,655,075 km (0.056 R)
• M19: 28,405,344 km (0.058 R)
• M20: 31,138,946 km (0.075 R)
• M21: 32,820,277 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.9

Radius: 3.5

Gravity: 45.46 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.2 AU - 7.2 AU

Year: 10127 Days

Day: 19.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,877,232 km

• M1: 46,675 km (0.075 R)
• M2: 347,815 km (0.11 R)
• M3: 991,086 km (0.09 R)
• M4: 1,120,189 km (0.116 R)
• M5: 2,094,221 km (0.038 R)
• M6: 2,595,673 km (0.104 R)
• M7: 2,842,509 km (0.07 R)
• M8: 3,195,560 km (0.094 R)
• M9: 3,909,142 km (0.067 R)
• M10: 4,042,134 km (0.117 R)
• M11: 4,874,048 km (0.076 R)
• M12: 5,952,350 km (0.078 R)
• M13: 6,272,040 km (0.098 R)
• M14: 9,020,901 km (0.084 R)
• M15: 9,975,186 km (0.11 R)
• M16: 10,223,818 km (0.095 R)
• M17: 11,638,714 km (0.117 R)
• M18: 12,709,237 km (0.11 R)
• M19: 13,060,493 km (0.036 R)
• M20: 16,312,002 km (0.111 R)
• M21: 17,721,813 km (0.07 R)
• M22: 18,755,683 km (0.116 R)
• M23: 20,143,204 km (0.077 R)
• M24: 27,141,392 km (0.085 R)
• M25: 33,673,733 km (0.041 R)
• M26: 42,855,751 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 809.7

Radius: 6.5

Gravity: 19.16 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.17 AU - 8.57 AU

Year: 14483 Days

Day: 24.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,877,232 km

• M1: 80,932 km (0.106 R)
• M2: 351,256 km (0.099 R)
• M3: 1,232,836 km (0.05 R)
• M4: 1,580,801 km (0.098 R)
• M5: 3,053,891 km (0.116 R)
• M6: 3,389,589 km (0.077 R)
• M7: 3,721,247 km (0.088 R)
• M8: 3,983,941 km (0.118 R)
• M9: 5,946,067 km (0.066 R)
• M10: 6,470,407 km (0.107 R)
• M11: 7,113,229 km (0.039 R)
• M12: 7,564,865 km (0.035 R)
• M13: 11,038,677 km (0.104 R)
• M14: 11,338,621 km (0.105 R)
• M15: 11,829,751 km (0.12 R)
• M16: 13,321,092 km (0.056 R)
• M17: 15,448,972 km (0.117 R)
• M18: 16,593,545 km (0.09 R)
• M19: 17,226,494 km (0.108 R)
• M20: 19,744,226 km (0.098 R)
• M21: 20,907,649 km (0.104 R)
• M22: 25,704,355 km (0.034 R)
• M23: 26,444,416 km (0.07 R)
• M24: 26,873,761 km (0.1 R)
• M25: 30,948,508 km (0.098 R)
• M26: 33,008,321 km (0.048 R)
• M27: 34,135,093 km (0.107 R)
• M28: 35,028,940 km (0.108 R)
• M29: 41,583,122 km (0.085 R)
• M30: 43,937,343 km (0.111 R)
• M31: 44,388,531 km (0.092 R)
• M32: 45,760,343 km (0.099 R)
• M33: 56,517,477 km (0.11 R)
• M34: 57,587,850 km (0.115 R)
• M35: 58,671,686 km (0.058 R)
• M36: 59,769,136 km (0.074 R)
• M37: 62,382,910 km (0.077 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 10,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit