🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.5

Radius: 13.3

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.43 AU - 0.69 AU

Year: 289 Days

Day: 6.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,719,895 km

• M1: 165,455 km (0.056 R)
• M2: 795,412 km (0.066 R)
• M3: 1,625,381 km (0.066 R)
• M4: 2,058,168 km (0.025 R)
• M5: 3,144,398 km (0.107 R)
• M6: 3,659,164 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.9

Radius: 8.1

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.8 AU - 0.96 AU

Year: 570 Days

Day: 13.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 40,719,895 km

• M1: 100,679 km (0.057 R)
• M2: 503,546 km (0.054 R)
• M3: 1,546,842 km (0.075 R)
• M4: 2,215,395 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.3

Radius: 12.6

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.01 AU - 1.45 AU

Year: 942 Days

Day: 11.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,719,895 km

• M1: 158,424 km (0.096 R)
• M2: 652,546 km (0.111 R)
• M3: 1,103,583 km (0.09 R)
• M4: 1,801,158 km (0.074 R)
• M5: 2,261,321 km (0.097 R)
• M6: 3,638,071 km (0.116 R)
• M7: 4,035,103 km (0.106 R)
• M8: 5,660,335 km (0.042 R)
• M9: 6,415,953 km (0.117 R)
• M10: 6,828,993 km (0.095 R)
• M11: 7,237,844 km (0.104 R)
• M12: 7,963,543 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.7

Radius: 11.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3 AU - 4.24 AU

Year: 4754 Days

Day: 10.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,719,895 km

• M1: 147,952 km (0.096 R)
• M2: 581,637 km (0.092 R)
• M3: 1,088,175 km (0.112 R)
• M4: 2,576,674 km (0.108 R)
• M5: 4,602,678 km (0.101 R)
• M6: 8,054,798 km (0.105 R)
• M7: 9,659,535 km (0.05 R)
• M8: 13,069,618 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.1

Radius: 10.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.77 AU - 4.25 AU

Year: 5543 Days

Day: 9.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,719,895 km

• M1: 129,701 km (0.071 R)
• M2: 1,439,281 km (0.066 R)
• M3: 2,041,861 km (0.076 R)
• M4: 2,616,168 km (0.093 R)
• M5: 3,147,390 km (0.057 R)
• M6: 3,587,656 km (0.117 R)
• M7: 3,916,173 km (0.075 R)
• M8: 5,344,534 km (0.12 R)
• M9: 6,981,134 km (0.1 R)
• M10: 7,496,200 km (0.08 R)
• M11: 7,975,212 km (0.09 R)
• M12: 9,991,492 km (0.059 R)
• M13: 10,461,529 km (0.12 R)
• M14: 10,833,130 km (0.03 R)
• M15: 11,446,182 km (0.111 R)
• M16: 12,825,474 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.8

Radius: 12.8

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.41 AU - 5.35 AU

Year: 7441 Days

Day: 7.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,719,895 km

• M1: 159,322 km (0.05 R)
• M2: 671,844 km (0.112 R)
• M3: 1,214,585 km (0.047 R)
• M4: 1,628,822 km (0.092 R)
• M5: 2,125,786 km (0.066 R)
• M6: 3,231,015 km (0.062 R)
• M7: 4,972,484 km (0.087 R)
• M8: 5,682,026 km (0.092 R)
• M9: 7,819,032 km (0.101 R)
• M10: 9,031,822 km (0.108 R)
• M11: 11,354,778 km (0.09 R)
• M12: 12,181,007 km (0.106 R)
• M13: 13,140,527 km (0.091 R)
• M14: 13,614,902 km (0.098 R)
• M15: 14,749,303 km (0.092 R)
• M16: 16,595,191 km (0.097 R)
• M17: 17,318,646 km (0.038 R)
• M18: 17,889,213 km (0.12 R)
• M19: 19,249,506 km (0.07 R)
• M20: 20,424,298 km (0.094 R)
• M21: 21,580,839 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.7

Radius: 4.5

Gravity: 24.13 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.71 AU - 6.59 AU

Year: 9270 Days

Day: 16.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,719,895 km

• M1: 55,950 km (0.056 R)
• M2: 245,341 km (0.096 R)
• M3: 432,487 km (0.106 R)
• M4: 625,170 km (0.111 R)
• M5: 1,164,919 km (0.088 R)
• M6: 1,544,000 km (0.074 R)
• M7: 1,814,473 km (0.102 R)
• M8: 2,412,864 km (0.076 R)
• M9: 2,899,805 km (0.116 R)
• M10: 3,426,240 km (0.09 R)
• M11: 3,615,182 km (0.098 R)
• M12: 3,836,138 km (0.107 R)
• M13: 4,197,417 km (0.065 R)
• M14: 4,609,559 km (0.077 R)
• M15: 5,292,922 km (0.111 R)
• M16: 5,906,573 km (0.119 R)
• M17: 6,178,691 km (0.102 R)
• M18: 8,407,550 km (0.059 R)
• M19: 8,795,457 km (0.105 R)
• M20: 10,321,056 km (0.073 R)
• M21: 11,693,617 km (0.106 R)
• M22: 18,047,786 km (0.108 R)
• M23: 19,131,324 km (0.045 R)
• M24: 19,952,915 km (0.084 R)
• M25: 20,334,091 km (0.111 R)
• M26: 23,814,934 km (0.098 R)
• M27: 24,677,814 km (0.064 R)
• M28: 26,374,254 km (0.109 R)
• M29: 26,557,212 km (0.09 R)
• M30: 27,018,423 km (0.103 R)
• M31: 37,168,788 km (0.072 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: 422 - 20,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit