🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.4

Radius: 11.2

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.49 AU - 0.53 AU

Year: 243 Days

Day: 6.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,888,390 km

• M1: 139,425 km (0.114 R)
• M2: 541,395 km (0.081 R)
• M3: 1,041,201 km (0.096 R)
• M4: 1,502,112 km (0.066 R)
• M5: 2,077,166 km (0.103 R)
• M6: 2,625,742 km (0.03 R)
• M7: 3,052,844 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.6

Radius: 14.8

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.64 AU - 0.66 AU

Year: 349 Days

Day: 11.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,888,390 km

• M1: 184,005 km (0.096 R)
• M2: 660,175 km (0.116 R)
• M3: 1,241,214 km (0.099 R)
• M4: 1,724,415 km (0.108 R)
• M5: 2,567,997 km (0.103 R)
• M6: 3,373,881 km (0.107 R)
• M7: 4,277,003 km (0.106 R)
• M8: 4,786,234 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.3

Radius: 12

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.83 AU - 1.13 AU

Year: 647 Days

Day: 10 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,888,390 km

• M1: 149,598 km (0.083 R)
• M2: 544,985 km (0.115 R)
• M3: 940,223 km (0.119 R)
• M4: 1,460,973 km (0.096 R)
• M5: 1,870,572 km (0.112 R)
• M6: 2,263,117 km (0.084 R)
• M7: 2,895,616 km (0.047 R)
• M8: 3,364,157 km (0.096 R)
• M9: 3,856,035 km (0.093 R)
• M10: 4,761,999 km (0.093 R)
• M11: 5,265,695 km (0.086 R)
• M12: 6,266,056 km (0.06 R)
• M13: 6,692,261 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.8

Radius: 14.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.86 AU - 1.22 AU

Year: 707 Days

Day: 11.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,888,390 km

• M1: 185,501 km (0.087 R)
• M2: 675,883 km (0.04 R)
• M3: 1,191,846 km (0.078 R)
• M4: 1,893,011 km (0.112 R)
• M5: 2,567,399 km (0.119 R)
• M6: 3,191,671 km (0.117 R)
• M7: 3,658,566 km (0.116 R)
• M8: 4,264,138 km (0.116 R)
• M9: 4,782,794 km (0.066 R)
• M10: 5,546,640 km (0.111 R)
• M11: 6,704,827 km (0.117 R)
• M12: 7,432,621 km (0.103 R)
• M13: 7,970,724 km (0.106 R)
• M14: 8,509,725 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.8

Radius: 12.1

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.53 AU - 1.61 AU

Year: 1312 Days

Day: 6.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,888,390 km

• M1: 150,495 km (0.07 R)
• M2: 748,139 km (0.098 R)
• M3: 1,467,705 km (0.081 R)
• M4: 1,880,894 km (0.095 R)
• M5: 2,421,690 km (0.099 R)
• M6: 2,824,557 km (0.11 R)
• M7: 3,212,315 km (0.089 R)
• M8: 3,921,259 km (0.109 R)
• M9: 4,557,499 km (0.042 R)
• M10: 6,736,093 km (0.096 R)
• M11: 7,196,555 km (0.076 R)
• M12: 7,954,867 km (0.113 R)
• M13: 9,887,970 km (0.058 R)
• M14: 12,454,771 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.8

Radius: 10.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.88 AU - 4.54 AU

Year: 5760 Days

Day: 7.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,888,390 km

• M1: 134,339 km (0.1 R)
• M2: 881,730 km (0.088 R)
• M3: 1,250,040 km (0.091 R)
• M4: 2,240,079 km (0.077 R)
• M5: 2,640,702 km (0.062 R)
• M6: 3,162,499 km (0.102 R)
• M7: 4,275,507 km (0.107 R)
• M8: 5,441,922 km (0.04 R)
• M9: 5,799,311 km (0.093 R)
• M10: 6,809,097 km (0.106 R)
• M11: 7,356,176 km (0.119 R)
• M12: 8,685,353 km (0.082 R)
• M13: 9,022,248 km (0.102 R)
• M14: 10,127,177 km (0.066 R)
• M15: 10,755,040 km (0.061 R)
• M16: 12,414,978 km (0.107 R)
• M17: 12,843,276 km (0.098 R)
• M18: 13,729,644 km (0.103 R)
• M19: 16,806,573 km (0.108 R)
• M20: 17,926,911 km (0.1 R)
• M21: 19,475,848 km (0.098 R)
• M22: 21,450,390 km (0.111 R)
• M23: 22,838,509 km (0.072 R)
• M24: 25,107,459 km (0.092 R)
• M25: 25,639,729 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.4

Radius: 13.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.9 AU - 5.94 AU

Year: 8415 Days

Day: 7.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 135.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,888,390 km

• M1: 166,652 km (0.113 R)
• M2: 819,348 km (0.057 R)
• M3: 1,461,721 km (0.108 R)
• M4: 2,183,680 km (0.099 R)
• M5: 2,783,717 km (0.045 R)
• M6: 3,807,864 km (0.069 R)
• M7: 4,656,683 km (0.077 R)
• M8: 5,719,875 km (0.096 R)
• M9: 7,443,092 km (0.085 R)
• M10: 11,291,946 km (0.074 R)
• M11: 12,299,638 km (0.113 R)
• M12: 12,772,367 km (0.071 R)
• M13: 13,476,524 km (0.04 R)
• M14: 17,067,471 km (0.109 R)
• M15: 20,584,817 km (0.071 R)
• M16: 22,474,238 km (0.034 R)
• M17: 23,023,411 km (0.08 R)
• M18: 24,891,141 km (0.106 R)
• M19: 28,559,281 km (0.12 R)
• M20: 32,773,453 km (0.107 R)
• M21: 33,888,406 km (0.1 R)
• M22: 34,714,934 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.2

Radius: 6.1

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.53 AU - 6.29 AU

Year: 9581 Days

Day: 15.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,888,390 km

• M1: 75,846 km (0.101 R)
• M2: 298,298 km (0.072 R)
• M3: 585,526 km (0.104 R)
• M4: 793,168 km (0.116 R)
• M5: 1,030,580 km (0.113 R)
• M6: 2,332,979 km (0.066 R)
• M7: 2,629,482 km (0.12 R)
• M8: 3,035,191 km (0.11 R)
• M9: 3,672,329 km (0.076 R)
• M10: 4,533,264 km (0.1 R)
• M11: 5,116,397 km (0.058 R)
• M12: 7,015,243 km (0.098 R)
• M13: 8,629,553 km (0.092 R)
• M14: 9,992,091 km (0.076 R)
• M15: 11,970,074 km (0.056 R)
• M16: 13,483,106 km (0.041 R)
• M17: 14,255,331 km (0.064 R)
• M18: 14,931,363 km (0.087 R)
• M19: 16,413,729 km (0.081 R)
• M20: 17,156,333 km (0.105 R)
• M21: 18,635,556 km (0.119 R)
• M22: 19,147,031 km (0.049 R)
• M23: 20,815,497 km (0.098 R)
• M24: 21,685,109 km (0.037 R)
• M25: 22,743,663 km (0.046 R)
• M26: 23,159,845 km (0.073 R)
• M27: 25,854,252 km (0.1 R)
• M28: 26,398,788 km (0.084 R)
• M29: 26,858,503 km (0.107 R)
• M30: 32,692,371 km (0.077 R)
• M31: 33,009,668 km (0.106 R)
• M32: 37,209,329 km (0.103 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 17,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit