🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.3

Radius: 13.2

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.76 AU - 0.82 AU

Year: 476 Days

Day: 9.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,481,700 km

• M1: 164,258 km (0.099 R)
• M2: 780,153 km (0.091 R)
• M3: 1,278,613 km (0.099 R)
• M4: 2,450,563 km (0.036 R)
• M5: 4,496,613 km (0.051 R)
• M6: 5,107,571 km (0.117 R)
• M7: 5,556,364 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.2

Radius: 13.1

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.91 AU - 1.01 AU

Year: 638 Days

Day: 14.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,481,700 km

• M1: 170,841 km (0.072 R)
• M2: 708,645 km (0.118 R)
• M3: 1,299,407 km (0.058 R)
• M4: 2,292,288 km (0.107 R)
• M5: 3,260,336 km (0.076 R)
• M6: 3,898,072 km (0.074 R)
• M7: 5,765,801 km (0.074 R)
• M8: 6,286,252 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.2

Radius: 9.2

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.36 AU - 1.62 AU

Year: 1234 Days

Day: 5.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,481,700 km

• M1: 114,442 km (0.078 R)
• M2: 482,902 km (0.063 R)
• M3: 924,515 km (0.111 R)
• M4: 1,252,733 km (0.079 R)
• M5: 1,616,854 km (0.075 R)
• M6: 1,933,253 km (0.089 R)
• M7: 2,280,470 km (0.031 R)
• M8: 2,816,928 km (0.032 R)
• M9: 3,224,283 km (0.11 R)
• M10: 3,610,844 km (0.084 R)
• M11: 4,290,317 km (0.11 R)
• M12: 5,799,161 km (0.11 R)
• M13: 6,372,869 km (0.103 R)
• M14: 7,172,470 km (0.09 R)
• M15: 7,833,692 km (0.042 R)
• M16: 8,428,643 km (0.092 R)
• M17: 9,334,309 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.4

Radius: 12.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.62 AU - 1.64 AU

Year: 1411 Days

Day: 13 Hours

Environment

Temp: -204 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,481,700 km

• M1: 159,471 km (0.104 R)
• M2: 578,196 km (0.084 R)
• M3: 1,191,996 km (0.116 R)
• M4: 1,685,070 km (0.095 R)
• M5: 2,349,135 km (0.075 R)
• M6: 2,769,655 km (0.114 R)
• M7: 3,434,767 km (0.066 R)
• M8: 4,528,178 km (0.06 R)
• M9: 4,947,052 km (0.062 R)
• M10: 5,350,368 km (0.078 R)
• M11: 6,791,743 km (0.097 R)
• M12: 7,240,387 km (0.105 R)
• M13: 9,851,768 km (0.107 R)
• M14: 10,724,522 km (0.112 R)
• M15: 11,718,749 km (0.113 R)

Asteroid Belt

Center: 3.22 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.5

Radius: 14.3

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.49 AU - 5.13 AU

Year: 7155 Days

Day: 13.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,481,700 km

• M1: 196,721 km (0.107 R)
• M2: 802,293 km (0.079 R)
• M3: 1,567,486 km (0.12 R)
• M4: 3,991,271 km (0.099 R)
• M5: 7,830,850 km (0.115 R)
• M6: 8,879,980 km (0.118 R)
• M7: 11,447,827 km (0.116 R)
• M8: 12,190,282 km (0.057 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422.7

Radius: 5.1

Gravity: 16.25 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.92 AU - 7.48 AU

Year: 13104 Days

Day: 18.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,481,700 km

• M1: 71,957 km (0.077 R)
• M2: 307,424 km (0.096 R)
• M3: 471,682 km (0.102 R)
• M4: 634,295 km (0.113 R)
• M5: 1,817,315 km (0.062 R)
• M6: 2,958,298 km (0.114 R)
• M7: 4,451,584 km (0.105 R)
• M8: 7,494,704 km (0.059 R)
• M9: 8,451,532 km (0.111 R)
• M10: 11,694,514 km (0.119 R)
• M11: 12,150,489 km (0.1 R)
• M12: 13,037,454 km (0.105 R)
• M13: 21,066,522 km (0.108 R)
• M14: 27,466,917 km (0.029 R)
• M15: 28,373,480 km (0.081 R)
• M16: 34,816,810 km (0.072 R)
• M17: 37,694,923 km (0.1 R)
• M18: 39,954,749 km (0.108 R)
• M19: 41,117,723 km (0.111 R)
• M20: 42,436,278 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.2

Radius: 5.4

Gravity: 14.96 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.8 AU - 8.78 AU

Year: 13350 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,481,700 km

• M1: 67,319 km (0.032 R)
• M2: 267,930 km (0.03 R)
• M3: 563,386 km (0.114 R)
• M4: 838,047 km (0.072 R)
• M5: 1,072,018 km (0.075 R)
• M6: 1,642,734 km (0.063 R)
• M7: 2,435,753 km (0.093 R)
• M8: 2,785,363 km (0.098 R)
• M9: 3,006,319 km (0.071 R)
• M10: 3,927,243 km (0.1 R)
• M11: 5,763,557 km (0.106 R)
• M12: 6,086,539 km (0.077 R)
• M13: 6,651,720 km (0.082 R)
• M14: 7,333,736 km (0.116 R)
• M15: 8,788,875 km (0.115 R)
• M16: 9,168,853 km (0.038 R)
• M17: 11,069,345 km (0.098 R)
• M18: 11,624,951 km (0.054 R)
• M19: 12,082,571 km (0.098 R)
• M20: 15,219,489 km (0.095 R)
• M21: 16,327,710 km (0.116 R)
• M22: 17,488,739 km (0.057 R)
• M23: 19,331,934 km (0.111 R)
• M24: 19,974,009 km (0.083 R)
• M25: 24,498,596 km (0.101 R)
• M26: 26,017,164 km (0.045 R)
• M27: 26,406,418 km (0.091 R)
• M28: 27,296,375 km (0.089 R)
• M29: 27,496,837 km (0.047 R)
• M30: 29,450,585 km (0.073 R)
• M31: 30,300,151 km (0.076 R)
• M32: 32,271,253 km (0.088 R)
• M33: 32,946,837 km (0.117 R)
• M34: 36,954,264 km (0.116 R)
• M35: 37,569,710 km (0.072 R)
• M36: 40,489,112 km (0.095 R)
• M37: 45,076,382 km (0.073 R)
• M38: 47,061,695 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.3

Radius: 7.9

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 8.33 AU - 12.23 AU

Year: 22355 Days

Day: 21.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,481,700 km

• M1: 99,183 km (0.084 R)
• M2: 356,791 km (0.098 R)
• M3: 683,363 km (0.082 R)
• M4: 1,280,558 km (0.119 R)
• M5: 1,884,784 km (0.087 R)
• M6: 2,317,720 km (0.104 R)
• M7: 2,970,116 km (0.119 R)
• M8: 3,268,863 km (0.045 R)
• M9: 3,587,507 km (0.06 R)
• M10: 3,926,944 km (0.099 R)
• M11: 4,493,770 km (0.057 R)
• M12: 4,742,552 km (0.092 R)
• M13: 6,478,934 km (0.099 R)
• M14: 7,221,538 km (0.064 R)
• M15: 12,490,824 km (0.054 R)
• M16: 13,127,961 km (0.071 R)
• M17: 13,786,641 km (0.113 R)
• M18: 14,854,769 km (0.057 R)
• M19: 20,936,372 km (0.115 R)
• M20: 21,835,006 km (0.104 R)
• M21: 22,345,135 km (0.068 R)
• M22: 22,759,072 km (0.098 R)
• M23: 26,256,371 km (0.099 R)
• M24: 27,655,410 km (0.11 R)
• M25: 28,373,181 km (0.101 R)
• M26: 31,111,720 km (0.11 R)
• M27: 31,627,832 km (0.119 R)
• M28: 32,810,104 km (0.109 R)
• M29: 35,402,187 km (0.053 R)
• M30: 37,688,491 km (0.101 R)
• M31: 42,869,963 km (0.098 R)
• M32: 43,669,862 km (0.08 R)
• M33: 43,992,695 km (0.093 R)
• M34: 46,296,651 km (0.108 R)
• M35: 47,478,325 km (0.116 R)
• M36: 52,224,617 km (0.061 R)
• M37: 58,443,400 km (0.06 R)
• M38: 67,263,541 km (0.079 R)
• M39: 69,874,323 km (0.069 R)
• M40: 74,374,676 km (0.148 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 12,196 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit