🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.8

Radius: 9.8

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.54 AU - 0.58 AU

Year: 279 Days

Day: 12.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,558,144 km

• M1: 121,922 km (0.108 R)
• M2: 526,136 km (0.09 R)
• M3: 895,343 km (0.067 R)
• M4: 1,392,008 km (0.07 R)
• M5: 1,875,658 km (0.041 R)
• M6: 2,380,401 km (0.078 R)
• M7: 2,746,467 km (0.073 R)
• M8: 3,129,139 km (0.077 R)
• M9: 3,651,534 km (0.074 R)
• M10: 4,296,301 km (0.117 R)
• M11: 4,828,271 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.1

Radius: 15

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.55 AU - 0.71 AU

Year: 333 Days

Day: 10.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 80,558,144 km

• M1: 186,549 km (0.047 R)
• M2: 663,018 km (0.068 R)
• M3: 1,488,200 km (0.099 R)
• M4: 2,063,403 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.4

Radius: 8.6

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.8 AU - 1.18 AU

Year: 657 Days

Day: 8.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,558,144 km

• M1: 106,962 km (0.071 R)
• M2: 375,491 km (0.08 R)
• M3: 716,873 km (0.119 R)
• M4: 1,043,894 km (0.057 R)
• M5: 1,392,307 km (0.112 R)
• M6: 1,856,809 km (0.061 R)
• M7: 2,489,009 km (0.12 R)
• M8: 3,352,039 km (0.073 R)
• M9: 3,697,162 km (0.092 R)
• M10: 5,404,522 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.9

Radius: 14.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.14 AU - 1.54 AU

Year: 1034 Days

Day: 6.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 131.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,558,144 km

• M1: 175,329 km (0.093 R)
• M2: 618,886 km (0.117 R)
• M3: 1,224,758 km (0.062 R)
• M4: 1,716,187 km (0.113 R)
• M5: 2,258,629 km (0.107 R)
• M6: 2,970,116 km (0.071 R)
• M7: 3,608,301 km (0.116 R)
• M8: 4,336,992 km (0.032 R)
• M9: 4,875,843 km (0.05 R)
• M10: 5,768,494 km (0.108 R)
• M11: 6,403,537 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.7

Radius: 8.3

Gravity: 10.66 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.23 AU - 1.61 AU

Year: 1128 Days

Day: 10 Hours

Environment

Temp: -185 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,558,144 km

• M1: 103,223 km (0.076 R)
• M2: 391,797 km (0.098 R)
• M3: 721,361 km (0.111 R)
• M4: 1,230,143 km (0.082 R)
• M5: 1,505,553 km (0.113 R)
• M6: 1,920,986 km (0.066 R)
• M7: 2,272,990 km (0.066 R)
• M8: 2,783,119 km (0.052 R)
• M9: 3,816,990 km (0.085 R)
• M10: 4,132,791 km (0.104 R)
• M11: 5,286,789 km (0.068 R)
• M12: 5,938,287 km (0.112 R)
• M13: 6,548,497 km (0.078 R)
• M14: 6,953,758 km (0.107 R)
• M15: 7,579,975 km (0.059 R)
• M16: 8,080,529 km (0.067 R)
• M17: 8,772,569 km (0.038 R)
• M18: 9,265,494 km (0.091 R)
• M19: 9,563,792 km (0.107 R)
• M20: 10,822,359 km (0.083 R)
• M21: 11,120,059 km (0.06 R)
• M22: 11,389,335 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229

Radius: 14.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.49 AU - 2.61 AU

Year: 2715 Days

Day: 9.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,558,144 km

• M1: 176,675 km (0.103 R)
• M2: 863,030 km (0.073 R)
• M3: 2,014,485 km (0.105 R)
• M4: 2,976,698 km (0.042 R)
• M5: 3,976,611 km (0.091 R)
• M6: 5,127,168 km (0.091 R)
• M7: 5,601,094 km (0.091 R)
• M8: 6,464,573 km (0.094 R)
• M9: 8,876,240 km (0.055 R)
• M10: 9,499,016 km (0.095 R)
• M11: 11,874,032 km (0.108 R)
• M12: 13,021,298 km (0.062 R)
• M13: 13,703,614 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 11.4

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.14 AU - 5.62 AU

Year: 7189 Days

Day: 9.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,558,144 km

• M1: 141,819 km (0.109 R)
• M2: 680,670 km (0.109 R)
• M3: 1,086,529 km (0.077 R)
• M4: 1,579,305 km (0.096 R)
• M5: 2,138,352 km (0.095 R)
• M6: 2,618,412 km (0.096 R)
• M7: 3,066,008 km (0.074 R)
• M8: 3,496,401 km (0.098 R)
• M9: 4,321,583 km (0.078 R)
• M10: 5,124,176 km (0.111 R)
• M11: 5,484,258 km (0.112 R)
• M12: 6,808,797 km (0.088 R)
• M13: 7,895,177 km (0.074 R)
• M14: 9,180,373 km (0.069 R)
• M15: 9,668,361 km (0.048 R)
• M16: 11,693,318 km (0.105 R)
• M17: 14,044,547 km (0.08 R)
• M18: 14,693,353 km (0.12 R)
• M19: 16,694,973 km (0.119 R)
• M20: 17,693,239 km (0.082 R)
• M21: 19,014,189 km (0.081 R)
• M22: 23,127,083 km (0.111 R)
• M23: 24,115,476 km (0.108 R)
• M24: 26,620,492 km (0.075 R)
• M25: 31,939,744 km (0.051 R)
• M26: 32,958,804 km (0.077 R)
• M27: 33,999,557 km (0.112 R)
• M28: 34,634,301 km (0.114 R)
• M29: 35,492,992 km (0.053 R)
• M30: 36,476,000 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.9

Radius: 12.4

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.57 AU - 5.71 AU

Year: 8932 Days

Day: 14 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,558,144 km

• M1: 156,031 km (0.086 R)
• M2: 770,130 km (0.103 R)
• M3: 1,202,019 km (0.104 R)
• M4: 2,113,070 km (0.075 R)
• M5: 3,230,416 km (0.102 R)
• M6: 3,996,358 km (0.071 R)
• M7: 4,830,216 km (0.032 R)
• M8: 7,590,746 km (0.046 R)
• M9: 10,494,440 km (0.12 R)
• M10: 11,668,036 km (0.098 R)
• M11: 13,564,937 km (0.087 R)
• M12: 17,781,652 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.7

Radius: 4.3

Gravity: 43.63 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.82 AU - 7.76 AU

Year: 10520 Days

Day: 21.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,558,144 km

• M1: 53,706 km (0.11 R)
• M2: 301,440 km (0.104 R)
• M3: 1,082,939 km (0.1 R)
• M4: 1,238,970 km (0.12 R)
• M5: 1,396,197 km (0.12 R)
• M6: 1,899,145 km (0.119 R)
• M7: 2,091,079 km (0.099 R)
• M8: 2,878,413 km (0.084 R)
• M9: 3,085,007 km (0.029 R)
• M10: 4,241,100 km (0.081 R)
• M11: 4,947,950 km (0.085 R)
• M12: 10,686,673 km (0.103 R)
• M13: 12,700,710 km (0.1 R)
• M14: 13,319,596 km (0.043 R)
• M15: 14,088,529 km (0.094 R)
• M16: 19,252,199 km (0.04 R)
• M17: 19,413,615 km (0.056 R)
• M18: 22,923,181 km (0.079 R)
• M19: 23,746,268 km (0.114 R)
• M20: 24,874,386 km (0.049 R)
• M21: 25,939,373 km (0.12 R)
• M22: 26,833,071 km (0.109 R)
• M23: 27,747,114 km (0.091 R)
• M24: 29,852,255 km (0.09 R)
• M25: 30,613,409 km (0.081 R)
• M26: 31,723,276 km (0.074 R)
• M27: 32,401,852 km (0.116 R)
• M28: 36,185,331 km (0.025 R)
• M29: 36,431,121 km (0.113 R)
• M30: 37,425,498 km (0.065 R)
• M31: 43,357,801 km (0.114 R)
• M32: 44,756,093 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 811.2

Radius: 3.7

Gravity: 59.25 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 8.92 AU - 10.4 AU

Year: 20021 Days

Day: 17 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,558,144 km

• M1: 46,974 km (0.107 R)
• M2: 523,443 km (0.105 R)
• M3: 661,522 km (0.11 R)
• M4: 903,272 km (0.092 R)
• M5: 1,775,876 km (0.108 R)
• M6: 3,587,507 km (0.116 R)
• M7: 3,833,745 km (0.105 R)
• M8: 4,058,441 km (0.101 R)
• M9: 4,932,990 km (0.077 R)
• M10: 9,693,194 km (0.088 R)
• M11: 10,979,287 km (0.093 R)
• M12: 11,301,521 km (0.104 R)
• M13: 12,374,885 km (0.113 R)
• M14: 15,673,818 km (0.047 R)
• M15: 22,258,817 km (0.11 R)
• M16: 25,585,574 km (0.074 R)
• M17: 28,018,185 km (0.101 R)
• M18: 31,238,130 km (0.03 R)
• M19: 31,495,438 km (0.061 R)
• M20: 38,843,985 km (0.116 R)
• M21: 39,141,684 km (0.09 R)
• M22: 41,113,833 km (0.115 R)
• M23: 45,915,626 km (0.096 R)
• M24: 58,349,004 km (0.051 R)
• M25: 59,525,442 km (0.065 R)
• M26: 63,561,143 km (0.064 R)
• M27: 66,068,104 km (0.038 R)
• M28: 67,345,820 km (0.096 R)
• M29: 70,833,694 km (0.103 R)
• M30: 74,440,050 km (0.099 R)
• M31: 76,055,557 km (0.086 R)
• M32: 78,641,207 km (0.111 R)
• M33: 80,076,000 km (0.078 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 13,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit