🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 10.9

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.51 AU - 0.69 AU

Year: 315 Days

Day: 5.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,286,044 km

• M1: 135,536 km (0.096 R)
• M2: 520,750 km (0.099 R)
• M3: 868,416 km (0.095 R)
• M4: 1,231,041 km (0.033 R)
• M5: 1,585,887 km (0.068 R)
• M6: 2,010,296 km (0.079 R)
• M7: 2,766,663 km (0.09 R)
• M8: 3,258,840 km (0.11 R)
• M9: 3,856,484 km (0.119 R)
• M10: 4,393,839 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.3

Radius: 14

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.63 AU - 0.75 AU

Year: 389 Days

Day: 13 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,286,044 km

• M1: 174,431 km (0.075 R)
• M2: 675,584 km (0.071 R)
• M3: 1,366,876 km (0.087 R)
• M4: 1,821,803 km (0.046 R)
• M5: 2,489,907 km (0.111 R)
• M6: 3,073,039 km (0.113 R)
• M7: 4,001,294 km (0.099 R)
• M8: 4,447,096 km (0.1 R)
• M9: 4,956,477 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.2

Radius: 9.9

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.98 AU - 1.58 AU

Year: 982 Days

Day: 6.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,286,044 km

• M1: 123,269 km (0.077 R)
• M2: 732,132 km (0.113 R)
• M3: 1,045,988 km (0.111 R)
• M4: 2,061,608 km (0.099 R)
• M5: 2,858,067 km (0.12 R)
• M6: 3,278,737 km (0.101 R)
• M7: 5,450,150 km (0.068 R)
• M8: 6,037,022 km (0.112 R)
• M9: 7,603,312 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.7

Radius: 14.9

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.59 AU - 2.85 AU

Year: 3043 Days

Day: 9.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,286,044 km

• M1: 217,366 km (0.084 R)
• M2: 1,075,609 km (0.113 R)
• M3: 1,647,970 km (0.109 R)
• M4: 2,438,894 km (0.104 R)
• M5: 4,113,493 km (0.115 R)
• M6: 5,271,380 km (0.119 R)
• M7: 8,330,507 km (0.053 R)
• M8: 12,107,404 km (0.044 R)
• M9: 12,925,106 km (0.114 R)
• M10: 15,919,607 km (0.032 R)
• M11: 17,125,216 km (0.051 R)
• M12: 18,508,847 km (0.084 R)
• M13: 19,228,114 km (0.118 R)
• M14: 19,779,830 km (0.109 R)
• M15: 20,531,709 km (0.109 R)
• M16: 21,108,110 km (0.087 R)
• M17: 22,360,543 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 14

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.56 AU - 5.84 AU

Year: 8043 Days

Day: 6.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,286,044 km

• M1: 174,132 km (0.078 R)
• M2: 641,924 km (0.065 R)
• M3: 2,017,926 km (0.075 R)
• M4: 3,818,037 km (0.047 R)
• M5: 5,774,328 km (0.052 R)
• M6: 6,879,856 km (0.119 R)
• M7: 7,600,469 km (0.114 R)
• M8: 8,163,257 km (0.092 R)
• M9: 9,832,470 km (0.094 R)
• M10: 13,545,190 km (0.101 R)
• M11: 15,174,610 km (0.109 R)
• M12: 24,108,146 km (0.117 R)
• M13: 25,415,033 km (0.084 R)
• M14: 27,137,503 km (0.039 R)
• M15: 38,785,642 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.4

Radius: 5.6

Gravity: 25.65 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.62 AU - 8.92 AU

Year: 13295 Days

Day: 25 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,286,044 km

• M1: 69,862 km (0.113 R)
• M2: 319,840 km (0.097 R)
• M3: 536,608 km (0.086 R)
• M4: 1,012,478 km (0.114 R)
• M5: 1,410,409 km (0.098 R)
• M6: 1,785,451 km (0.05 R)
• M7: 2,070,883 km (0.116 R)
• M8: 2,555,880 km (0.115 R)
• M9: 3,138,264 km (0.065 R)
• M10: 3,582,121 km (0.11 R)
• M11: 4,626,913 km (0.115 R)
• M12: 5,027,835 km (0.116 R)
• M13: 5,937,240 km (0.103 R)
• M14: 6,451,109 km (0.107 R)
• M15: 7,795,994 km (0.103 R)
• M16: 12,359,626 km (0.108 R)
• M17: 15,341,112 km (0.025 R)
• M18: 16,919,818 km (0.034 R)
• M19: 17,788,533 km (0.103 R)
• M20: 19,614,375 km (0.066 R)
• M21: 20,308,210 km (0.095 R)
• M22: 20,484,137 km (0.057 R)
• M23: 23,343,850 km (0.082 R)
• M24: 26,774,279 km (0.11 R)
• M25: 30,873,111 km (0.063 R)
• M26: 35,498,677 km (0.115 R)
• M27: 37,842,427 km (0.105 R)
• M28: 39,052,225 km (0.119 R)
• M29: 42,691,492 km (0.112 R)
• M30: 48,094,519 km (0.037 R)
• M31: 49,513,155 km (0.052 R)
• M32: 50,959,318 km (0.056 R)
• M33: 52,433,455 km (0.069 R)
• M34: 55,810,777 km (0.067 R)
• M35: 57,905,297 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.8

Radius: 6.7

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.85 AU - 8.93 AU

Year: 15032 Days

Day: 16.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,286,044 km

• M1: 83,326 km (0.082 R)
• M2: 366,515 km (0.081 R)
• M3: 586,424 km (0.03 R)
• M4: 1,028,485 km (0.037 R)
• M5: 1,460,973 km (0.111 R)
• M6: 3,167,735 km (0.085 R)
• M7: 5,254,476 km (0.118 R)
• M8: 6,299,866 km (0.117 R)
• M9: 6,524,562 km (0.11 R)
• M10: 7,687,087 km (0.038 R)
• M11: 7,987,180 km (0.096 R)
• M12: 9,218,670 km (0.077 R)
• M13: 12,109,798 km (0.076 R)
• M14: 13,113,151 km (0.117 R)
• M15: 21,231,229 km (0.039 R)
• M16: 23,482,827 km (0.103 R)
• M17: 26,273,126 km (0.061 R)
• M18: 28,049,152 km (0.063 R)
• M19: 35,481,922 km (0.079 R)
• M20: 37,525,878 km (0.09 R)
• M21: 43,448,158 km (0.115 R)
• M22: 48,350,331 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.8

Radius: 5.9

Gravity: 14.59 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.34 AU - 9.54 AU

Year: 15175 Days

Day: 22.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,286,044 km

• M1: 73,303 km (0.087 R)
• M2: 459,565 km (0.108 R)
• M3: 797,057 km (0.055 R)
• M4: 1,224,758 km (0.111 R)
• M5: 2,422,738 km (0.089 R)
• M6: 2,676,456 km (0.108 R)
• M7: 2,971,313 km (0.094 R)
• M8: 4,162,561 km (0.078 R)
• M9: 4,590,560 km (0.067 R)
• M10: 5,149,009 km (0.1 R)
• M11: 5,825,790 km (0.1 R)
• M12: 6,640,949 km (0.12 R)
• M13: 7,311,147 km (0.065 R)
• M14: 7,662,702 km (0.09 R)
• M15: 7,979,550 km (0.045 R)
• M16: 11,586,355 km (0.043 R)
• M17: 11,943,595 km (0.116 R)
• M18: 15,071,387 km (0.063 R)
• M19: 17,127,161 km (0.118 R)
• M20: 23,445,876 km (0.096 R)
• M21: 23,730,411 km (0.103 R)
• M22: 24,017,340 km (0.095 R)
• M23: 24,210,022 km (0.059 R)
• M24: 25,587,070 km (0.072 R)
• M25: 29,366,212 km (0.092 R)
• M26: 32,199,146 km (0.101 R)
• M27: 34,348,120 km (0.093 R)
• M28: 41,227,827 km (0.059 R)
• M29: 43,045,142 km (0.114 R)
• M30: 45,501,539 km (0.062 R)
• M31: 46,839,093 km (0.09 R)
• M32: 54,086,512 km (0.063 R)
• M33: 54,749,829 km (0.105 R)
• M34: 55,418,681 km (0.082 R)
• M35: 56,262,413 km (0.115 R)
• M36: 56,602,299 km (0.084 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: 166 - 20,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit