🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.1

Radius: 9.5

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.52 AU - 0.74 AU

Year: 333 Days

Day: 11.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,395,289 km

• M1: 118,182 km (0.066 R)
• M2: 416,032 km (0.086 R)
• M3: 757,115 km (0.07 R)
• M4: 1,361,640 km (0.112 R)
• M5: 1,862,493 km (0.118 R)
• M6: 2,348,238 km (0.039 R)
• M7: 3,020,082 km (0.1 R)
• M8: 3,378,818 km (0.071 R)
• M9: 4,117,532 km (0.073 R)
• M10: 4,546,279 km (0.092 R)
• M11: 5,078,848 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.1

Radius: 11.4

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.69 AU - 0.83 AU

Year: 442 Days

Day: 13.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,395,289 km

• M1: 143,764 km (0.11 R)
• M2: 537,804 km (0.119 R)
• M3: 983,606 km (0.097 R)
• M4: 1,400,984 km (0.107 R)
• M5: 1,767,050 km (0.079 R)
• M6: 2,224,371 km (0.101 R)
• M7: 3,015,594 km (0.092 R)
• M8: 3,662,006 km (0.112 R)
• M9: 4,441,860 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.8

Radius: 13.3

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.52 AU - 2.12 AU

Year: 1637 Days

Day: 5 Hours

Environment

Temp: -199 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,395,289 km

• M1: 165,455 km (0.106 R)
• M2: 670,797 km (0.065 R)
• M3: 1,326,036 km (0.051 R)
• M4: 1,778,569 km (0.075 R)
• M5: 2,454,003 km (0.049 R)
• M6: 2,982,982 km (0.117 R)
• M7: 3,502,535 km (0.045 R)
• M8: 4,743,000 km (0.118 R)
• M9: 6,153,708 km (0.08 R)
• M10: 7,254,749 km (0.119 R)
• M11: 8,050,609 km (0.09 R)
• M12: 8,482,947 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449

Radius: 13.4

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.09 AU - 3.41 AU

Year: 3907 Days

Day: 12.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,395,289 km

• M1: 187,446 km (0.119 R)
• M2: 989,590 km (0.078 R)
• M3: 1,622,987 km (0.106 R)
• M4: 2,073,875 km (0.114 R)
• M5: 2,749,160 km (0.08 R)
• M6: 3,344,410 km (0.033 R)
• M7: 4,498,258 km (0.106 R)
• M8: 5,204,510 km (0.059 R)
• M9: 8,758,656 km (0.077 R)
• M10: 9,336,104 km (0.104 R)
• M11: 10,407,823 km (0.113 R)
• M12: 10,932,463 km (0.065 R)
• M13: 11,774,250 km (0.03 R)
• M14: 12,886,809 km (0.093 R)
• M15: 15,475,900 km (0.044 R)
• M16: 16,646,204 km (0.072 R)
• M17: 18,452,748 km (0.083 R)
• M18: 19,890,982 km (0.05 R)
• M19: 20,386,599 km (0.062 R)
• M20: 22,054,765 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.9

Radius: 8.1

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.39 AU - 4.59 AU

Year: 6345 Days

Day: 6.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 88,395,289 km

• M1: 114,742 km (0.098 R)
• M2: 398,379 km (0.105 R)
• M3: 773,271 km (0.082 R)
• M4: 1,319,902 km (0.093 R)
• M5: 1,712,746 km (0.099 R)
• M6: 2,011,643 km (0.081 R)
• M7: 3,003,925 km (0.087 R)
• M8: 3,507,771 km (0.055 R)
• M9: 3,827,013 km (0.062 R)
• M10: 4,710,837 km (0.099 R)
• M11: 6,233,594 km (0.101 R)
• M12: 7,017,786 km (0.106 R)
• M13: 7,789,711 km (0.104 R)
• M14: 8,137,376 km (0.098 R)
• M15: 8,455,122 km (0.093 R)
• M16: 8,822,534 km (0.106 R)
• M17: 9,157,933 km (0.047 R)
• M18: 11,157,308 km (0.096 R)
• M19: 11,699,451 km (0.101 R)
• M20: 13,158,479 km (0.061 R)
• M21: 22,000,162 km (0.104 R)
• M22: 22,539,911 km (0.047 R)
• M23: 24,212,266 km (0.1 R)
• M24: 26,051,123 km (0.097 R)
• M25: 28,981,296 km (0.103 R)
• M26: 31,245,460 km (0.05 R)
• M27: 34,032,917 km (0.095 R)
• M28: 34,341,089 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.2

Radius: 11.3

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.68 AU - 6.5 AU

Year: 8813 Days

Day: 8.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,395,289 km

• M1: 142,866 km (0.063 R)
• M2: 773,720 km (0.06 R)
• M3: 1,453,942 km (0.082 R)
• M4: 1,806,843 km (0.074 R)
• M5: 4,098,982 km (0.12 R)
• M6: 4,503,494 km (0.081 R)
• M7: 5,145,269 km (0.085 R)
• M8: 5,714,938 km (0.117 R)
• M9: 6,396,805 km (0.104 R)
• M10: 7,599,721 km (0.108 R)
• M11: 9,772,930 km (0.106 R)
• M12: 11,574,836 km (0.08 R)
• M13: 12,892,943 km (0.049 R)
• M14: 14,492,593 km (0.056 R)
• M15: 17,446,702 km (0.09 R)
• M16: 18,225,808 km (0.09 R)
• M17: 21,495,120 km (0.037 R)
• M18: 24,168,583 km (0.083 R)
• M19: 25,856,646 km (0.12 R)
• M20: 28,485,978 km (0.034 R)
• M21: 34,160,225 km (0.094 R)
• M22: 34,710,745 km (0.118 R)
• M23: 35,491,347 km (0.061 R)
• M24: 38,850,417 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.8

Radius: 4.3

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.43 AU - 7.58 AU

Year: 13697 Days

Day: 22.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 67.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,395,289 km

• M1: 220,058 km (0.115 R)
• M2: 401,969 km (0.104 R)
• M3: 622,028 km (0.084 R)
• M4: 1,096,104 km (0.119 R)
• M5: 1,294,919 km (0.079 R)
• M6: 2,841,462 km (0.068 R)
• M7: 3,495,055 km (0.088 R)
• M8: 4,871,056 km (0.101 R)
• M9: 5,956,389 km (0.072 R)
• M10: 6,775,138 km (0.061 R)
• M11: 11,040,472 km (0.044 R)
• M12: 11,424,191 km (0.115 R)
• M13: 23,048,245 km (0.106 R)
• M14: 29,464,198 km (0.047 R)
• M15: 30,201,716 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.4

Radius: 7.3

Gravity: 18 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.54 AU - 11.66 AU

Year: 19835 Days

Day: 15.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,395,289 km

• M1: 97,089 km (0.117 R)
• M2: 387,758 km (0.107 R)
• M3: 708,346 km (0.117 R)
• M4: 2,048,593 km (0.041 R)
• M5: 2,306,350 km (0.079 R)
• M6: 3,157,712 km (0.05 R)
• M7: 3,593,939 km (0.072 R)
• M8: 3,906,449 km (0.089 R)
• M9: 5,342,589 km (0.098 R)
• M10: 6,135,457 km (0.053 R)
• M11: 7,344,208 km (0.117 R)
• M12: 8,649,001 km (0.062 R)
• M13: 9,979,824 km (0.067 R)
• M14: 11,845,608 km (0.071 R)
• M15: 12,610,502 km (0.092 R)
• M16: 16,168,837 km (0.119 R)
• M17: 16,677,320 km (0.071 R)
• M18: 19,192,808 km (0.077 R)
• M19: 19,955,608 km (0.098 R)
• M20: 22,890,269 km (0.049 R)
• M21: 24,515,650 km (0.093 R)
• M22: 31,004,159 km (0.054 R)
• M23: 32,186,281 km (0.03 R)
• M24: 34,222,757 km (0.108 R)
• M25: 34,500,710 km (0.068 R)
• M26: 38,102,278 km (0.049 R)
• M27: 40,534,291 km (0.092 R)
• M28: 41,158,114 km (0.11 R)
• M29: 46,721,210 km (0.076 R)
• M30: 49,682,051 km (0.106 R)
• M31: 55,017,310 km (0.079 R)
• M32: 56,359,951 km (0.049 R)
• M33: 60,316,515 km (0.084 R)
• M34: 63,193,731 km (0.085 R)
• M35: 67,243,196 km (0.053 R)
• M36: 69,664,736 km (0.062 R)
• M37: 78,718,848 km (0.092 R)
• M38: 84,409,701 km (0.161 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746

Radius: 5.9

Gravity: 21.43 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.34 AU - 13.46 AU

Year: 23998 Days

Day: 21.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 88,395,289 km

• M1: 74,051 km (0.101 R)
• M2: 348,264 km (0.078 R)
• M3: 614,698 km (0.084 R)
• M4: 868,116 km (0.092 R)
• M5: 1,106,426 km (0.06 R)
• M6: 1,773,483 km (0.066 R)
• M7: 2,012,241 km (0.112 R)
• M8: 2,317,869 km (0.09 R)
• M9: 3,133,327 km (0.04 R)
• M10: 3,925,448 km (0.034 R)
• M11: 4,159,868 km (0.029 R)
• M12: 4,583,529 km (0.094 R)
• M13: 7,444,140 km (0.036 R)
• M14: 7,804,072 km (0.111 R)
• M15: 8,175,524 km (0.088 R)
• M16: 9,538,959 km (0.084 R)
• M17: 11,113,626 km (0.107 R)
• M18: 13,371,955 km (0.087 R)
• M19: 14,848,187 km (0.106 R)
• M20: 20,617,728 km (0.093 R)
• M21: 21,740,011 km (0.034 R)
• M22: 25,813,412 km (0.092 R)
• M23: 26,518,616 km (0.116 R)
• M24: 27,236,536 km (0.106 R)
• M25: 28,090,441 km (0.118 R)
• M26: 29,340,930 km (0.061 R)
• M27: 33,591,903 km (0.079 R)
• M28: 34,150,501 km (0.089 R)
• M29: 35,286,248 km (0.118 R)
• M30: 36,593,883 km (0.063 R)
• M31: 37,632,990 km (0.067 R)
• M32: 42,961,367 km (0.109 R)
• M33: 43,454,292 km (0.064 R)
• M34: 44,451,661 km (0.105 R)
• M35: 54,697,918 km (0.113 R)
• M36: 63,818,302 km (0.034 R)
• M37: 71,345,169 km (0.11 R)
• M38: 74,845,909 km (0.039 R)
• M39: 75,559,491 km (0.113 R)
• M40: 76,037,755 km (0.17 R)
• M41: 81,935,352 km (0.088 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: 179 - 12,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit