🌌 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: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.8

Radius: 14.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.69 AU - 0.77 AU

Year: 438 Days

Day: 8.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,216,531 km

• M1: 184,155 km (0.059 R)
• M2: 671,694 km (0.12 R)
• M3: 1,211,444 km (0.117 R)
• M4: 1,748,949 km (0.08 R)
• M5: 2,225,418 km (0.101 R)
• M6: 2,858,367 km (0.109 R)
• M7: 3,327,505 km (0.069 R)
• M8: 3,860,672 km (0.106 R)
• M9: 4,370,651 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.6

Radius: 8.6

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.95 AU - 1.01 AU

Year: 682 Days

Day: 11 Hours

Environment

Temp: -170 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,216,531 km

• M1: 108,010 km (0.082 R)
• M2: 375,939 km (0.076 R)
• M3: 750,981 km (0.065 R)
• M4: 1,378,395 km (0.096 R)
• M5: 2,453,555 km (0.055 R)
• M6: 4,034,954 km (0.102 R)
• M7: 5,047,432 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.2

Radius: 13.5

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.96 AU - 1.3 AU

Year: 844 Days

Day: 10.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,216,531 km

• M1: 167,849 km (0.114 R)
• M2: 687,253 km (0.054 R)
• M3: 1,237,324 km (0.114 R)
• M4: 1,743,264 km (0.082 R)
• M5: 2,497,387 km (0.105 R)
• M6: 3,097,125 km (0.049 R)
• M7: 4,371,399 km (0.099 R)
• M8: 4,884,221 km (0.066 R)
• M9: 6,218,185 km (0.09 R)
• M10: 7,565,015 km (0.099 R)
• M11: 8,231,024 km (0.046 R)
• M12: 8,723,052 km (0.049 R)
• M13: 9,317,105 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.6

Radius: 12.7

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.1 AU - 1.46 AU

Year: 1018 Days

Day: 12.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,216,531 km

• M1: 157,975 km (0.058 R)
• M2: 631,752 km (0.077 R)
• M3: 1,314,217 km (0.106 R)
• M4: 1,792,930 km (0.062 R)
• M5: 2,343,899 km (0.119 R)
• M6: 3,046,261 km (0.098 R)
• M7: 3,447,782 km (0.117 R)
• M8: 4,191,284 km (0.115 R)
• M9: 5,001,655 km (0.114 R)
• M10: 5,584,638 km (0.078 R)
• M11: 6,725,471 km (0.087 R)
• M12: 7,836,834 km (0.063 R)
• M13: 8,679,519 km (0.106 R)
• M14: 9,407,911 km (0.118 R)
• M15: 10,390,769 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 13.5

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.43 AU - 1.61 AU

Year: 1317 Days

Day: 13.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,216,531 km

• M1: 167,849 km (0.092 R)
• M2: 708,645 km (0.067 R)
• M3: 1,151,305 km (0.054 R)
• M4: 1,655,300 km (0.111 R)
• M5: 2,126,833 km (0.117 R)
• M6: 2,637,111 km (0.034 R)
• M7: 3,273,650 km (0.089 R)
• M8: 4,097,635 km (0.086 R)
• M9: 4,837,247 km (0.086 R)
• M10: 5,708,056 km (0.059 R)
• M11: 6,878,360 km (0.065 R)
• M12: 9,348,969 km (0.115 R)
• M13: 10,733,647 km (0.049 R)
• M14: 11,813,893 km (0.03 R)
• M15: 12,473,620 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.4

Radius: 13.6

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.77 AU - 2.89 AU

Year: 2500 Days

Day: 7.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,216,531 km

• M1: 169,195 km (0.099 R)
• M2: 695,331 km (0.118 R)
• M3: 1,298,510 km (0.099 R)
• M4: 1,882,091 km (0.094 R)
• M5: 2,415,108 km (0.113 R)
• M6: 3,662,605 km (0.045 R)
• M7: 4,608,961 km (0.115 R)
• M8: 5,094,555 km (0.108 R)
• M9: 6,487,312 km (0.075 R)
• M10: 7,070,743 km (0.084 R)
• M11: 7,749,469 km (0.056 R)
• M12: 12,103,216 km (0.088 R)
• M13: 14,100,497 km (0.091 R)
• M14: 15,418,903 km (0.033 R)
• M15: 17,024,686 km (0.045 R)
• M16: 17,548,728 km (0.108 R)
• M17: 18,029,386 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.2

Radius: 8

Gravity: 15.11 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.06 AU - 2.78 AU

Year: 2646 Days

Day: 5.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,216,531 km

• M1: 99,483 km (0.037 R)
• M2: 382,223 km (0.104 R)
• M3: 660,175 km (0.068 R)
• M4: 966,701 km (0.08 R)
• M5: 1,263,055 km (0.109 R)
• M6: 1,722,619 km (0.059 R)
• M7: 2,585,799 km (0.109 R)
• M8: 3,130,934 km (0.067 R)
• M9: 3,459,451 km (0.1 R)
• M10: 3,851,248 km (0.099 R)
• M11: 4,631,251 km (0.051 R)
• M12: 5,512,382 km (0.117 R)
• M13: 5,802,752 km (0.038 R)
• M14: 6,271,741 km (0.109 R)
• M15: 7,765,625 km (0.116 R)
• M16: 8,335,294 km (0.026 R)
• M17: 9,939,432 km (0.088 R)
• M18: 11,061,416 km (0.094 R)
• M19: 11,481,786 km (0.107 R)
• M20: 15,654,819 km (0.104 R)
• M21: 16,837,091 km (0.108 R)
• M22: 18,251,688 km (0.069 R)
• M23: 19,743,628 km (0.097 R)
• M24: 20,175,666 km (0.089 R)
• M25: 21,900,979 km (0.053 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773

Radius: 10.8

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.22 AU - 4.76 AU

Year: 5602 Days

Day: 12.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,216,531 km

• M1: 134,339 km (0.083 R)
• M2: 556,055 km (0.106 R)
• M3: 908,059 km (0.079 R)
• M4: 1,438,683 km (0.083 R)
• M5: 1,804,001 km (0.1 R)
• M6: 3,031,451 km (0.091 R)
• M7: 3,708,980 km (0.087 R)
• M8: 4,157,325 km (0.079 R)
• M9: 4,966,649 km (0.111 R)
• M10: 5,785,099 km (0.08 R)
• M11: 6,390,073 km (0.115 R)
• M12: 7,178,304 km (0.117 R)
• M13: 8,068,561 km (0.083 R)
• M14: 8,420,864 km (0.106 R)
• M15: 9,540,006 km (0.108 R)
• M16: 10,023,357 km (0.097 R)
• M17: 11,572,293 km (0.087 R)
• M18: 12,637,579 km (0.062 R)
• M19: 13,275,016 km (0.054 R)
• M20: 15,919,009 km (0.084 R)
• M21: 16,537,147 km (0.081 R)
• M22: 17,043,087 km (0.039 R)
• M23: 17,953,390 km (0.087 R)
• M24: 21,321,437 km (0.098 R)
• M25: 23,154,010 km (0.088 R)
• M26: 25,505,689 km (0.08 R)
• M27: 27,568,793 km (0.079 R)
• M28: 28,550,604 km (0.096 R)
• M29: 31,250,696 km (0.088 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.3

Radius: 11.6

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.19 AU - 5.51 AU

Year: 8698 Days

Day: 5.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 58,216,531 km

• M1: 144,212 km (0.064 R)
• M2: 839,992 km (0.03 R)
• M3: 1,336,657 km (0.104 R)
• M4: 1,698,983 km (0.09 R)
• M5: 2,060,112 km (0.1 R)
• M6: 3,051,348 km (0.106 R)
• M7: 3,421,004 km (0.075 R)
• M8: 4,450,686 km (0.028 R)
• M9: 5,540,806 km (0.113 R)
• M10: 6,239,428 km (0.04 R)
• M11: 6,839,764 km (0.113 R)
• M12: 7,854,636 km (0.059 R)
• M13: 9,249,337 km (0.1 R)
• M14: 9,634,552 km (0.045 R)
• M15: 11,230,462 km (0.107 R)
• M16: 12,407,348 km (0.089 R)
• M17: 12,817,396 km (0.096 R)
• M18: 13,726,502 km (0.059 R)
• M19: 14,678,244 km (0.102 R)
• M20: 16,431,381 km (0.106 R)
• M21: 17,871,859 km (0.119 R)
• M22: 18,244,807 km (0.072 R)
• M23: 19,083,602 km (0.116 R)
• M24: 19,788,806 km (0.105 R)
• M25: 22,180,128 km (0.103 R)
• M26: 23,400,697 km (0.086 R)
• M27: 26,744,958 km (0.042 R)
• M28: 27,827,149 km (0.085 R)
• M29: 34,135,841 km (0.082 R)
• M30: 34,942,323 km (0.037 R)
• M31: 35,526,203 km (0.042 R)
• M32: 39,418,141 km (0.055 R)
• M33: 42,649,904 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.2

Radius: 5.7

Gravity: 20.23 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.54 AU - 8.92 AU

Year: 13665 Days

Day: 22.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,216,531 km

• M1: 70,909 km (0.103 R)
• M2: 259,403 km (0.051 R)
• M3: 543,040 km (0.096 R)
• M4: 742,005 km (0.1 R)
• M5: 1,092,812 km (0.053 R)
• M6: 1,488,948 km (0.119 R)
• M7: 1,994,140 km (0.108 R)
• M8: 2,875,121 km (0.044 R)
• M9: 3,286,665 km (0.092 R)
• M10: 5,023,945 km (0.096 R)
• M11: 6,146,378 km (0.068 R)
• M12: 7,693,519 km (0.066 R)
• M13: 14,063,097 km (0.092 R)
• M14: 16,112,887 km (0.062 R)
• M15: 16,940,014 km (0.104 R)
• M16: 17,325,079 km (0.071 R)
• M17: 18,760,022 km (0.113 R)
• M18: 19,089,287 km (0.117 R)
• M19: 21,235,567 km (0.117 R)
• M20: 24,995,710 km (0.1 R)
• M21: 29,176,671 km (0.052 R)
• M22: 37,054,794 km (0.109 R)
• M23: 43,169,458 km (0.056 R)
• M24: 45,941,356 km (0.096 R)
• M25: 48,984,925 km (0.063 R)
• M26: 52,974,850 km (0.102 R)
• M27: 53,467,775 km (0.08 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 19,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit