🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.8

Radius: 10.5

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.47 AU - 0.71 AU

Year: 302 Days

Day: 10.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 61,558,823 km

• M1: 131,347 km (0.083 R)
• M2: 721,660 km (0.088 R)
• M3: 1,196,035 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.7

Radius: 9.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.56 AU - 0.76 AU

Year: 358 Days

Day: 13.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,558,823 km

• M1: 116,836 km (0.051 R)
• M2: 445,652 km (0.11 R)
• M3: 822,190 km (0.083 R)
• M4: 1,126,322 km (0.054 R)
• M5: 1,530,087 km (0.106 R)
• M6: 2,372,921 km (0.052 R)
• M7: 3,007,665 km (0.108 R)
• M8: 3,335,285 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.1

Radius: 14

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.17 AU - 1.37 AU

Year: 954 Days

Day: 8.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,558,823 km

• M1: 174,132 km (0.076 R)
• M2: 615,146 km (0.117 R)
• M3: 1,252,134 km (0.054 R)
• M4: 1,926,970 km (0.111 R)
• M5: 2,591,035 km (0.091 R)
• M6: 3,255,998 km (0.103 R)
• M7: 3,971,225 km (0.047 R)
• M8: 4,965,901 km (0.098 R)
• M9: 5,856,308 km (0.032 R)
• M10: 6,457,242 km (0.086 R)
• M11: 7,260,433 km (0.118 R)
• M12: 7,807,662 km (0.109 R)
• M13: 8,408,148 km (0.032 R)
• M14: 8,905,112 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.2

Radius: 10.7

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.54 AU - 1.66 AU

Year: 1350 Days

Day: 7.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,558,823 km

• M1: 133,142 km (0.111 R)
• M2: 560,244 km (0.043 R)
• M3: 1,025,643 km (0.102 R)
• M4: 1,383,032 km (0.062 R)
• M5: 1,960,480 km (0.116 R)
• M6: 2,459,688 km (0.115 R)
• M7: 2,984,478 km (0.106 R)
• M8: 3,501,637 km (0.068 R)
• M9: 5,596,157 km (0.052 R)
• M10: 7,273,598 km (0.105 R)
• M11: 8,773,018 km (0.092 R)
• M12: 9,675,691 km (0.114 R)
• M13: 10,986,019 km (0.12 R)
• M14: 12,487,233 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.3

Radius: 13.2

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.78 AU - 2.04 AU

Year: 1760 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 136.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,558,823 km

• M1: 164,109 km (0.114 R)
• M2: 640,578 km (0.082 R)
• M3: 1,176,587 km (0.106 R)
• M4: 1,960,630 km (0.085 R)
• M5: 2,465,373 km (0.078 R)
• M6: 3,000,484 km (0.066 R)
• M7: 3,596,931 km (0.091 R)
• M8: 4,182,756 km (0.09 R)
• M9: 6,215,492 km (0.098 R)
• M10: 6,887,336 km (0.083 R)
• M11: 7,958,008 km (0.062 R)
• M12: 10,038,466 km (0.101 R)
• M13: 10,561,011 km (0.057 R)
• M14: 12,201,651 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281

Radius: 13.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.09 AU - 2.69 AU

Year: 2464 Days

Day: 14.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,558,823 km

• M1: 182,210 km (0.039 R)
• M2: 861,833 km (0.046 R)
• M3: 1,358,498 km (0.042 R)
• M4: 1,799,363 km (0.056 R)
• M5: 2,997,792 km (0.087 R)
• M6: 4,616,441 km (0.082 R)
• M7: 5,311,472 km (0.078 R)
• M8: 6,028,645 km (0.106 R)
• M9: 7,277,787 km (0.073 R)
• M10: 8,308,516 km (0.106 R)
• M11: 10,938,148 km (0.084 R)
• M12: 13,425,212 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.9

Radius: 10

Gravity: 8.47 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.45 AU - 2.77 AU

Year: 2812 Days

Day: 9.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,558,823 km

• M1: 124,765 km (0.107 R)
• M2: 616,792 km (0.12 R)
• M3: 935,136 km (0.103 R)
• M4: 1,561,353 km (0.065 R)
• M5: 2,418,549 km (0.06 R)
• M6: 2,803,464 km (0.096 R)
• M7: 3,620,268 km (0.083 R)
• M8: 4,610,756 km (0.107 R)
• M9: 5,181,921 km (0.064 R)
• M10: 5,853,017 km (0.05 R)
• M11: 6,581,259 km (0.108 R)
• M12: 7,687,685 km (0.114 R)
• M13: 8,491,325 km (0.103 R)
• M14: 9,021,500 km (0.072 R)
• M15: 10,070,181 km (0.117 R)
• M16: 10,990,656 km (0.042 R)
• M17: 13,655,742 km (0.032 R)
• M18: 14,334,618 km (0.089 R)
• M19: 15,035,932 km (0.076 R)
• M20: 15,759,687 km (0.101 R)
• M21: 16,724,444 km (0.059 R)
• M22: 17,109,957 km (0.106 R)
• M23: 20,789,167 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.8

Radius: 8.8

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.74 AU - 5.7 AU

Year: 6838 Days

Day: 11.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,558,823 km

• M1: 109,506 km (0.065 R)
• M2: 489,035 km (0.117 R)
• M3: 850,913 km (0.109 R)
• M4: 1,690,456 km (0.109 R)
• M5: 3,588,853 km (0.043 R)
• M6: 4,318,442 km (0.069 R)
• M7: 5,431,899 km (0.062 R)
• M8: 6,819,120 km (0.082 R)
• M9: 8,356,986 km (0.08 R)
• M10: 11,295,986 km (0.115 R)
• M11: 13,238,813 km (0.12 R)
• M12: 14,392,213 km (0.115 R)
• M13: 14,756,184 km (0.102 R)
• M14: 19,175,904 km (0.116 R)
• M15: 19,871,833 km (0.061 R)
• M16: 20,584,517 km (0.09 R)
• M17: 22,965,816 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 375.8

Radius: 8

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.39 AU - 11.69 AU

Year: 19650 Days

Day: 16.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,558,823 km

• M1: 103,671 km (0.12 R)
• M2: 385,663 km (0.063 R)
• M3: 710,291 km (0.092 R)
• M4: 1,130,661 km (0.044 R)
• M5: 1,405,771 km (0.056 R)
• M6: 1,809,237 km (0.118 R)
• M7: 2,132,368 km (0.057 R)
• M8: 3,112,683 km (0.117 R)
• M9: 4,335,346 km (0.109 R)
• M10: 5,406,617 km (0.105 R)
• M11: 6,120,797 km (0.057 R)
• M12: 6,896,462 km (0.111 R)
• M13: 7,874,533 km (0.11 R)
• M14: 8,791,119 km (0.076 R)
• M15: 11,844,561 km (0.12 R)
• M16: 13,110,907 km (0.085 R)
• M17: 13,709,298 km (0.117 R)
• M18: 16,060,079 km (0.088 R)
• M19: 16,899,922 km (0.068 R)
• M20: 20,731,572 km (0.039 R)
• M21: 21,634,994 km (0.086 R)
• M22: 22,189,553 km (0.119 R)
• M23: 22,848,382 km (0.085 R)
• M24: 33,492,719 km (0.107 R)
• M25: 34,110,259 km (0.082 R)
• M26: 37,312,851 km (0.098 R)
• M27: 37,843,175 km (0.11 R)
• M28: 43,135,050 km (0.118 R)
• M29: 43,426,467 km (0.088 R)
• M30: 48,899,654 km (0.114 R)
• M31: 51,309,676 km (0.103 R)
• M32: 51,801,105 km (0.116 R)
• M33: 57,767,667 km (0.114 R)
• M34: 58,834,449 km (0.053 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: 174 - 18,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit