🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.42 AU - 0.62 AU

Year: 246 Days

Day: 21.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.6

Radius: 14.8

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.21 AU - 1.49 AU

Year: 1029 Days

Day: 14.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,081,982 km

• M1: 184,005 km (0.112 R)
• M2: 669,600 km (0.072 R)
• M3: 1,153,848 km (0.067 R)
• M4: 1,654,253 km (0.113 R)
• M5: 2,393,416 km (0.045 R)
• M6: 2,953,810 km (0.109 R)
• M7: 3,822,226 km (0.089 R)
• M8: 4,742,402 km (0.108 R)
• M9: 6,568,394 km (0.104 R)
• M10: 7,121,607 km (0.053 R)
• M11: 8,321,830 km (0.096 R)
• M12: 8,798,300 km (0.082 R)
• M13: 9,714,138 km (0.078 R)
• M14: 11,088,793 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.8

Radius: 10.9

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.29 AU - 1.73 AU

Year: 1217 Days

Day: 13.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,081,982 km

• M1: 135,536 km (0.079 R)
• M2: 772,823 km (0.057 R)
• M3: 1,112,410 km (0.066 R)
• M4: 1,616,255 km (0.11 R)
• M5: 2,125,636 km (0.096 R)
• M6: 2,490,805 km (0.064 R)
• M7: 3,020,680 km (0.114 R)
• M8: 4,994,774 km (0.064 R)
• M9: 6,949,719 km (0.095 R)
• M10: 7,323,564 km (0.118 R)
• M11: 8,166,398 km (0.101 R)
• M12: 8,554,904 km (0.08 R)
• M13: 8,926,655 km (0.117 R)
• M14: 9,672,250 km (0.119 R)
• M15: 10,076,015 km (0.11 R)
• M16: 10,752,048 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.5

Radius: 14.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.61 AU - 3.91 AU

Year: 4783 Days

Day: 5.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,081,982 km

• M1: 181,612 km (0.076 R)
• M2: 639,680 km (0.109 R)
• M3: 1,095,954 km (0.118 R)
• M4: 3,060,623 km (0.029 R)
• M5: 4,407,452 km (0.108 R)
• M6: 5,190,597 km (0.11 R)
• M7: 5,984,214 km (0.03 R)
• M8: 6,481,328 km (0.12 R)
• M9: 7,879,021 km (0.037 R)
• M10: 10,146,924 km (0.088 R)
• M11: 13,888,367 km (0.05 R)
• M12: 14,370,371 km (0.097 R)
• M13: 16,199,056 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.8

Radius: 11.1

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.14 AU - 5.04 AU

Year: 5426 Days

Day: 9.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,081,982 km

• M1: 138,378 km (0.077 R)
• M2: 534,812 km (0.091 R)
• M3: 930,499 km (0.045 R)
• M4: 1,477,129 km (0.112 R)
• M5: 2,740,334 km (0.065 R)
• M6: 3,180,152 km (0.036 R)
• M7: 3,928,590 km (0.04 R)
• M8: 4,490,180 km (0.103 R)
• M9: 5,024,843 km (0.081 R)
• M10: 5,495,478 km (0.084 R)
• M11: 6,501,673 km (0.117 R)
• M12: 7,759,342 km (0.114 R)
• M13: 8,139,022 km (0.092 R)
• M14: 9,202,513 km (0.047 R)
• M15: 10,783,912 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.4

Radius: 11.2

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.37 AU - 4.89 AU

Year: 5506 Days

Day: 13.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,081,982 km

• M1: 139,425 km (0.087 R)
• M2: 506,538 km (0.086 R)
• M3: 931,696 km (0.118 R)
• M4: 1,328,429 km (0.114 R)
• M5: 2,165,728 km (0.071 R)
• M6: 2,584,453 km (0.088 R)
• M7: 3,564,618 km (0.07 R)
• M8: 4,128,004 km (0.056 R)
• M9: 4,749,882 km (0.101 R)
• M10: 5,374,004 km (0.108 R)
• M11: 7,805,119 km (0.114 R)
• M12: 8,351,451 km (0.074 R)
• M13: 9,261,604 km (0.107 R)
• M14: 11,035,985 km (0.067 R)
• M15: 11,725,032 km (0.1 R)
• M16: 12,338,234 km (0.107 R)
• M17: 13,026,683 km (0.071 R)
• M18: 13,908,712 km (0.09 R)
• M19: 17,116,839 km (0.036 R)
• M20: 20,421,007 km (0.037 R)
• M21: 20,787,971 km (0.054 R)
• M22: 21,762,750 km (0.112 R)
• M23: 24,128,192 km (0.081 R)
• M24: 27,900,601 km (0.115 R)
• M25: 29,551,115 km (0.049 R)
• M26: 32,445,235 km (0.119 R)
• M27: 34,580,296 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688

Radius: 5.3

Gravity: 24.49 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.69 AU - 6.89 AU

Year: 10349 Days

Day: 23.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,081,982 km

• M1: 67,169 km (0.082 R)
• M2: 245,041 km (0.11 R)
• M3: 418,575 km (0.106 R)
• M4: 602,580 km (0.062 R)
• M5: 968,347 km (0.098 R)
• M6: 1,299,557 km (0.113 R)
• M7: 1,471,145 km (0.111 R)
• M8: 2,335,223 km (0.079 R)
• M9: 2,673,015 km (0.051 R)
• M10: 2,843,108 km (0.105 R)
• M11: 3,372,534 km (0.09 R)
• M12: 4,595,048 km (0.119 R)
• M13: 5,558,159 km (0.104 R)
• M14: 6,648,728 km (0.102 R)
• M15: 7,042,170 km (0.108 R)
• M16: 8,315,398 km (0.064 R)
• M17: 9,148,957 km (0.118 R)
• M18: 9,536,715 km (0.11 R)
• M19: 10,501,771 km (0.076 R)
• M20: 11,143,845 km (0.107 R)
• M21: 12,329,857 km (0.102 R)
• M22: 12,683,506 km (0.086 R)
• M23: 15,968,825 km (0.043 R)
• M24: 17,033,363 km (0.045 R)
• M25: 19,779,980 km (0.073 R)
• M26: 20,346,208 km (0.116 R)
• M27: 23,973,208 km (0.071 R)
• M28: 24,524,177 km (0.071 R)
• M29: 25,083,524 km (0.072 R)
• M30: 30,613,708 km (0.069 R)
• M31: 31,589,685 km (0.092 R)
• M32: 37,270,066 km (0.112 R)
• M33: 37,761,644 km (0.117 R)
• M34: 38,507,240 km (0.063 R)
• M35: 49,112,233 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.8

Radius: 5.6

Gravity: 30.06 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.5 AU - 6.56 AU

Year: 10947 Days

Day: 21.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,081,982 km

• M1: 71,657 km (0.1 R)
• M2: 347,516 km (0.104 R)
• M3: 722,558 km (0.117 R)
• M4: 911,649 km (0.104 R)
• M5: 1,207,853 km (0.119 R)
• M6: 1,449,155 km (0.077 R)
• M7: 7,013,447 km (0.06 R)
• M8: 8,207,687 km (0.116 R)
• M9: 8,634,340 km (0.089 R)
• M10: 10,991,853 km (0.108 R)
• M11: 14,078,656 km (0.084 R)
• M12: 17,081,534 km (0.074 R)
• M13: 19,387,585 km (0.097 R)
• M14: 19,637,264 km (0.1 R)
• M15: 20,058,382 km (0.072 R)
• M16: 21,181,413 km (0.04 R)
• M17: 21,713,682 km (0.099 R)
• M18: 24,315,788 km (0.099 R)
• M19: 28,490,017 km (0.12 R)
• M20: 41,303,673 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.2

Radius: 5.8

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.15 AU - 8.49 AU

Year: 11684 Days

Day: 23.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,081,982 km

• M1: 85,720 km (0.093 R)
• M2: 285,433 km (0.118 R)
• M3: 1,129,763 km (0.117 R)
• M4: 1,409,362 km (0.097 R)
• M5: 2,141,942 km (0.091 R)
• M6: 3,347,402 km (0.038 R)
• M7: 5,504,603 km (0.093 R)
• M8: 9,376,645 km (0.067 R)
• M9: 11,754,653 km (0.076 R)
• M10: 12,797,799 km (0.107 R)
• M11: 18,878,802 km (0.087 R)
• M12: 21,964,707 km (0.039 R)
• M13: 29,309,364 km (0.115 R)
• M14: 33,207,436 km (0.109 R)
• M15: 34,616,498 km (0.032 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.8

Radius: 4.7

Gravity: 31 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.07 AU - 9.37 AU

Year: 15460 Days

Day: 18.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,081,982 km

• M1: 62,532 km (0.101 R)
• M2: 261,796 km (0.087 R)
• M3: 413,489 km (0.04 R)
• M4: 749,485 km (0.116 R)
• M5: 910,752 km (0.067 R)
• M6: 1,479,074 km (0.087 R)
• M7: 1,892,862 km (0.062 R)
• M8: 2,530,747 km (0.098 R)
• M9: 4,503,345 km (0.11 R)
• M10: 9,008,784 km (0.088 R)
• M11: 9,536,266 km (0.068 R)
• M12: 9,917,441 km (0.096 R)
• M13: 10,252,241 km (0.078 R)
• M14: 11,362,407 km (0.062 R)
• M15: 12,040,385 km (0.1 R)
• M16: 14,166,021 km (0.098 R)
• M17: 14,377,253 km (0.115 R)
• M18: 19,314,431 km (0.098 R)
• M19: 19,836,378 km (0.041 R)
• M20: 22,588,082 km (0.093 R)
• M21: 23,460,686 km (0.116 R)
• M22: 25,376,287 km (0.11 R)
• M23: 44,889,534 km (0.06 R)
• M24: 45,804,325 km (0.068 R)
• M25: 47,199,923 km (0.069 R)
• M26: 49,750,417 km (0.113 R)
• M27: 53,746,177 km (0.096 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: 431 - 13,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit