🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.2

Radius: 12.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.92 AU - 1.46 AU

Year: 825 Days

Day: 10.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,537,794 km

• M1: 156,629 km (0.092 R)
• M2: 672,143 km (0.085 R)
• M3: 1,201,420 km (0.061 R)
• M4: 1,997,580 km (0.063 R)
• M5: 2,536,133 km (0.083 R)
• M6: 3,559,681 km (0.083 R)
• M7: 3,951,927 km (0.118 R)
• M8: 5,765,203 km (0.087 R)
• M9: 6,229,704 km (0.084 R)
• M10: 6,887,935 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.6

Radius: 14

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.31 AU - 1.97 AU

Year: 1335 Days

Day: 10.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,537,794 km

• M1: 174,132 km (0.118 R)
• M2: 767,886 km (0.103 R)
• M3: 1,219,821 km (0.078 R)
• M4: 1,715,289 km (0.084 R)
• M5: 2,673,912 km (0.112 R)
• M6: 3,159,208 km (0.084 R)
• M7: 3,783,929 km (0.068 R)
• M8: 4,508,431 km (0.065 R)
• M9: 5,002,254 km (0.094 R)
• M10: 5,617,101 km (0.085 R)
• M11: 6,167,621 km (0.117 R)
• M12: 10,104,738 km (0.096 R)
• M13: 10,622,795 km (0.057 R)
• M14: 11,124,397 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 351.5

Radius: 13.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.61 AU - 5.25 AU

Year: 5928 Days

Day: 10.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,537,794 km

• M1: 169,195 km (0.05 R)
• M2: 664,364 km (0.105 R)
• M3: 1,153,998 km (0.082 R)
• M4: 1,645,876 km (0.12 R)
• M5: 2,163,036 km (0.071 R)
• M6: 2,840,265 km (0.075 R)
• M7: 3,374,330 km (0.097 R)
• M8: 4,359,880 km (0.079 R)
• M9: 5,126,869 km (0.111 R)
• M10: 7,027,510 km (0.11 R)
• M11: 8,631,199 km (0.116 R)
• M12: 9,965,013 km (0.045 R)
• M13: 11,568,254 km (0.095 R)
• M14: 12,455,519 km (0.092 R)
• M15: 13,088,318 km (0.097 R)
• M16: 14,313,075 km (0.089 R)
• M17: 14,737,933 km (0.052 R)
• M18: 15,724,681 km (0.086 R)
• M19: 21,193,830 km (0.078 R)
• M20: 25,498,807 km (0.054 R)
• M21: 26,599,848 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.3

Radius: 10.4

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 4.25 AU - 5.53 AU

Year: 6875 Days

Day: 6.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,537,794 km

• M1: 129,402 km (0.113 R)
• M2: 798,404 km (0.097 R)
• M3: 3,420,705 km (0.037 R)
• M4: 4,049,764 km (0.076 R)
• M5: 5,369,666 km (0.12 R)
• M6: 5,799,012 km (0.052 R)
• M7: 8,758,058 km (0.097 R)
• M8: 11,445,733 km (0.119 R)
• M9: 11,822,421 km (0.055 R)
• M10: 13,360,885 km (0.084 R)
• M11: 14,640,396 km (0.055 R)
• M12: 17,752,929 km (0.106 R)
• M13: 21,565,431 km (0.034 R)
• M14: 23,397,705 km (0.07 R)
• M15: 24,390,437 km (0.081 R)
• M16: 26,953,348 km (0.093 R)
• M17: 28,044,066 km (0.089 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.8

Radius: 3

Gravity: 53.76 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.13 AU - 7.03 AU

Year: 10732 Days

Day: 24.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 47,537,794 km

• M1: 37,250 km (0.109 R)
• M2: 131,048 km (0.089 R)
• M3: 264,788 km (0.075 R)
• M4: 553,363 km (0.106 R)
• M5: 711,039 km (0.119 R)
• M6: 814,112 km (0.109 R)
• M7: 1,116,449 km (0.111 R)
• M8: 1,889,122 km (0.054 R)
• M9: 2,105,889 km (0.11 R)
• M10: 2,247,259 km (0.106 R)
• M11: 2,898,608 km (0.078 R)
• M12: 3,976,910 km (0.11 R)
• M13: 5,492,635 km (0.043 R)
• M14: 6,730,857 km (0.099 R)
• M15: 7,155,565 km (0.071 R)
• M16: 8,360,427 km (0.092 R)
• M17: 10,436,546 km (0.106 R)
• M18: 10,692,358 km (0.1 R)
• M19: 11,269,507 km (0.032 R)
• M20: 13,970,945 km (0.081 R)
• M21: 14,156,746 km (0.113 R)
• M22: 15,371,929 km (0.067 R)
• M23: 18,973,648 km (0.031 R)
• M24: 21,581,288 km (0.115 R)
• M25: 22,500,866 km (0.063 R)
• M26: 24,507,572 km (0.043 R)
• M27: 25,324,077 km (0.106 R)
• M28: 26,915,798 km (0.102 R)
• M29: 27,011,392 km (0.106 R)
• M30: 32,088,743 km (0.096 R)
• M31: 33,395,331 km (0.111 R)
• M32: 35,192,001 km (0.026 R)
• M33: 35,421,036 km (0.093 R)
• M34: 36,698,452 km (0.089 R)
• M35: 41,986,737 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.9

Radius: 3.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.06 AU - 9.7 AU

Year: 15424 Days

Day: 23.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 47,537,794 km

• M1: 116,836 km (0.049 R)
• M2: 225,893 km (0.085 R)
• M3: 741,108 km (0.116 R)
• M4: 851,810 km (0.049 R)
• M5: 1,431,352 km (0.042 R)
• M6: 1,661,135 km (0.079 R)
• M7: 4,809,572 km (0.079 R)
• M8: 4,952,587 km (0.104 R)
• M9: 6,007,850 km (0.053 R)
• M10: 6,544,308 km (0.059 R)
• M11: 7,486,775 km (0.082 R)
• M12: 9,749,742 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.3

Radius: 3.6

Gravity: 41.15 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.47 AU - 10.31 AU

Year: 16853 Days

Day: 23.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,537,794 km

• M1: 56,398 km (0.043 R)
• M2: 216,019 km (0.061 R)
• M3: 656,286 km (0.076 R)
• M4: 1,385,426 km (0.067 R)
• M5: 2,369,929 km (0.048 R)
• M6: 3,154,720 km (0.064 R)
• M7: 11,003,821 km (0.087 R)
• M8: 11,180,795 km (0.079 R)
• M9: 14,845,345 km (0.091 R)
• M10: 26,688,260 km (0.111 R)
• M11: 28,092,236 km (0.114 R)
• M12: 28,868,200 km (0.083 R)
• M13: 30,462,764 km (0.069 R)
• M14: 36,505,471 km (0.083 R)
• M15: 37,963,751 km (0.065 R)
• M16: 43,299,757 km (0.087 R)
• M17: 48,006,256 km (0.117 R)
• M18: 50,726,544 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.1

Radius: 6.8

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.83 AU - 11.23 AU

Year: 17253 Days

Day: 24.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 47,537,794 km

• M1: 84,523 km (0.112 R)
• M2: 306,227 km (0.065 R)
• M3: 625,020 km (0.098 R)
• M4: 915,689 km (0.074 R)
• M5: 1,960,330 km (0.101 R)
• M6: 2,388,779 km (0.068 R)
• M7: 2,992,855 km (0.06 R)
• M8: 3,381,211 km (0.08 R)
• M9: 5,629,517 km (0.072 R)
• M10: 6,692,710 km (0.067 R)
• M11: 7,314,438 km (0.116 R)
• M12: 8,624,616 km (0.09 R)
• M13: 8,963,007 km (0.061 R)
• M14: 9,563,493 km (0.097 R)
• M15: 9,926,118 km (0.111 R)
• M16: 10,351,574 km (0.075 R)
• M17: 10,844,798 km (0.082 R)
• M18: 11,239,138 km (0.07 R)
• M19: 12,912,690 km (0.064 R)
• M20: 13,355,649 km (0.025 R)
• M21: 19,081,807 km (0.109 R)
• M22: 19,822,915 km (0.11 R)
• M23: 21,275,061 km (0.094 R)
• M24: 23,164,781 km (0.103 R)
• M25: 28,109,590 km (0.077 R)
• M26: 32,771,508 km (0.099 R)
• M27: 38,311,267 km (0.054 R)
• M28: 39,093,963 km (0.097 R)
• M29: 45,598,628 km (0.115 R)
• M30: 49,182,394 km (0.063 R)
• M31: 50,573,206 km (0.09 R)
• M32: 53,757,696 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.3

Radius: 3.7

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 8.41 AU - 11.63 AU

Year: 20167 Days

Day: 20.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,537,794 km

• M1: 46,226 km (0.102 R)
• M2: 200,012 km (0.072 R)
• M3: 327,619 km (0.09 R)
• M4: 788,082 km (0.099 R)
• M5: 1,204,263 km (0.103 R)
• M6: 1,354,160 km (0.099 R)
• M7: 1,945,820 km (0.097 R)
• M8: 2,611,081 km (0.116 R)
• M9: 2,777,434 km (0.065 R)
• M10: 3,271,556 km (0.085 R)
• M11: 5,599,299 km (0.119 R)
• M12: 6,420,292 km (0.105 R)
• M13: 7,400,307 km (0.055 R)
• M14: 7,990,621 km (0.111 R)
• M15: 11,201,141 km (0.098 R)
• M16: 13,209,193 km (0.093 R)
• M17: 17,698,475 km (0.108 R)
• M18: 21,224,647 km (0.108 R)
• M19: 22,152,752 km (0.073 R)
• M20: 22,757,127 km (0.099 R)
• M21: 24,820,531 km (0.12 R)
• M22: 28,396,069 km (0.104 R)
• M23: 32,631,484 km (0.081 R)
• M24: 34,093,654 km (0.093 R)
• M25: 41,151,233 km (0.099 R)
• M26: 43,793,879 km (0.079 R)
• M27: 46,407,055 km (0.085 R)
• M28: 47,111,661 km (0.095 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 17,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit