🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.2

Radius: 9.9

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.79 AU - 1.21 AU

Year: 690 Days

Day: 5.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 93,358,503 km

• M1: 123,269 km (0.106 R)
• M2: 829,221 km (0.1 R)
• M3: 1,185,713 km (0.104 R)
• M4: 1,581,249 km (0.115 R)
• M5: 2,387,582 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.3

Radius: 12.9

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.82 AU - 1.28 AU

Year: 743 Days

Day: 6.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 93,358,503 km

• M1: 160,369 km (0.038 R)
• M2: 761,154 km (0.039 R)
• M3: 1,213,688 km (0.111 R)
• M4: 1,635,105 km (0.108 R)
• M5: 2,129,526 km (0.095 R)
• M6: 2,537,329 km (0.114 R)
• M7: 3,451,522 km (0.098 R)
• M8: 3,855,436 km (0.114 R)
• M9: 4,364,368 km (0.101 R)
• M10: 4,902,173 km (0.062 R)
• M11: 5,658,390 km (0.03 R)
• M12: 6,111,223 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.1

Radius: 13

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.83 AU - 1.35 AU

Year: 786 Days

Day: 5.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 93,358,503 km

• M1: 161,715 km (0.074 R)
• M2: 597,344 km (0.054 R)
• M3: 1,002,605 km (0.073 R)
• M4: 1,840,951 km (0.035 R)
• M5: 3,209,473 km (0.087 R)
• M6: 3,946,691 km (0.076 R)
• M7: 4,996,270 km (0.115 R)
• M8: 6,114,514 km (0.034 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.4

Radius: 13.2

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.34 AU - 1.52 AU

Year: 1180 Days

Day: 11.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 93,358,503 km

• M1: 183,856 km (0.115 R)
• M2: 611,855 km (0.107 R)
• M3: 1,636,451 km (0.071 R)
• M4: 2,548,101 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.9

Radius: 9.8

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.18 AU - 1.84 AU

Year: 1281 Days

Day: 5.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 93,358,503 km

• M1: 214,823 km (0.096 R)
• M2: 1,062,594 km (0.104 R)
• M3: 2,119,054 km (0.119 R)
• M4: 2,683,935 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.4

Radius: 8.8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.09 AU - 4.55 AU

Year: 6198 Days

Day: 11.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 93,358,503 km

• M1: 111,301 km (0.034 R)
• M2: 549,174 km (0.107 R)
• M3: 876,195 km (0.104 R)
• M4: 1,154,447 km (0.057 R)
• M5: 2,290,493 km (0.102 R)
• M6: 2,800,023 km (0.098 R)
• M7: 3,168,632 km (0.044 R)
• M8: 3,762,835 km (0.07 R)
• M9: 4,255,760 km (0.063 R)
• M10: 4,540,445 km (0.048 R)
• M11: 5,270,931 km (0.098 R)
• M12: 6,298,669 km (0.056 R)
• M13: 6,698,544 km (0.084 R)
• M14: 8,199,459 km (0.091 R)
• M15: 12,550,813 km (0.047 R)
• M16: 13,887,619 km (0.089 R)
• M17: 14,664,630 km (0.101 R)
• M18: 18,178,385 km (0.115 R)
• M19: 19,404,789 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.8

Radius: 7

Gravity: 19.96 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.07 AU - 12.49 AU

Year: 22751 Days

Day: 18.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 93,358,503 km

• M1: 87,365 km (0.054 R)
• M2: 454,927 km (0.08 R)
• M3: 822,040 km (0.085 R)
• M4: 1,313,021 km (0.045 R)
• M5: 2,505,914 km (0.08 R)
• M6: 2,865,697 km (0.077 R)
• M7: 3,288,909 km (0.119 R)
• M8: 3,818,037 km (0.032 R)
• M9: 4,120,374 km (0.092 R)
• M10: 4,849,963 km (0.111 R)
• M11: 7,870,942 km (0.082 R)
• M12: 8,473,523 km (0.09 R)
• M13: 9,586,531 km (0.07 R)
• M14: 10,793,786 km (0.113 R)
• M15: 13,051,068 km (0.093 R)
• M16: 13,894,501 km (0.11 R)
• M17: 14,130,865 km (0.077 R)
• M18: 19,833,387 km (0.112 R)
• M19: 22,423,973 km (0.069 R)
• M20: 24,195,361 km (0.079 R)
• M21: 25,115,089 km (0.044 R)
• M22: 27,024,257 km (0.12 R)
• M23: 33,048,563 km (0.066 R)
• M24: 37,121,964 km (0.103 R)
• M25: 40,869,540 km (0.032 R)
• M26: 42,172,837 km (0.087 R)
• M27: 42,668,604 km (0.11 R)
• M28: 44,349,186 km (0.09 R)
• M29: 44,690,569 km (0.116 R)
• M30: 45,205,933 km (0.104 R)
• M31: 60,873,468 km (0.115 R)
• M32: 62,786,077 km (0.064 R)
• M33: 65,398,205 km (0.087 R)
• M34: 75,110,548 km (0.073 R)
• M35: 78,300,872 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 11,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit