🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.3

Radius: 13.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.85 AU - 1.23 AU

Year: 719 Days

Day: 11.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,991,393 km

• M1: 171,738 km (0.088 R)
• M2: 624,122 km (0.11 R)
• M3: 1,081,293 km (0.102 R)
• M4: 1,649,017 km (0.11 R)
• M5: 2,247,558 km (0.051 R)
• M6: 2,784,016 km (0.11 R)
• M7: 3,329,450 km (0.069 R)
• M8: 3,778,094 km (0.108 R)
• M9: 4,297,348 km (0.051 R)
• M10: 5,269,585 km (0.081 R)
• M11: 5,939,335 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.3

Radius: 14.1

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.08 AU - 1.44 AU

Year: 959 Days

Day: 13.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,991,393 km

• M1: 175,329 km (0.098 R)
• M2: 725,550 km (0.111 R)
• M3: 1,167,911 km (0.072 R)
• M4: 2,693,360 km (0.101 R)
• M5: 3,305,963 km (0.099 R)
• M6: 4,210,432 km (0.081 R)
• M7: 4,832,460 km (0.095 R)
• M8: 5,353,809 km (0.119 R)
• M9: 5,912,557 km (0.079 R)
• M10: 7,221,388 km (0.044 R)
• M11: 7,775,349 km (0.111 R)
• M12: 8,384,811 km (0.087 R)
• M13: 9,669,857 km (0.063 R)
• M14: 10,660,943 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.2

Radius: 13.4

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.3 AU - 6.26 AU

Year: 8229 Days

Day: 5.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,991,393 km

• M1: 167,400 km (0.078 R)
• M2: 791,223 km (0.075 R)
• M3: 1,426,715 km (0.095 R)
• M4: 3,094,582 km (0.119 R)
• M5: 4,037,198 km (0.097 R)
• M6: 4,619,732 km (0.076 R)
• M7: 6,271,143 km (0.095 R)
• M8: 7,736,753 km (0.025 R)
• M9: 8,818,794 km (0.093 R)
• M10: 9,803,448 km (0.118 R)
• M11: 10,602,001 km (0.111 R)
• M12: 11,991,765 km (0.04 R)
• M13: 12,614,990 km (0.092 R)
• M14: 15,392,574 km (0.033 R)
• M15: 16,197,410 km (0.074 R)
• M16: 19,622,005 km (0.073 R)
• M17: 20,728,879 km (0.114 R)
• M18: 26,515,175 km (0.105 R)
• M19: 30,396,791 km (0.115 R)
• M20: 40,138,904 km (0.11 R)
• M21: 40,642,750 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.9

Radius: 4.3

Gravity: 27.96 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.57 AU - 6.19 AU

Year: 9671 Days

Day: 21 Hours

Environment

Temp: -235 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,991,393 km

• M1: 53,406 km (0.094 R)
• M2: 218,413 km (0.087 R)
• M3: 453,880 km (0.081 R)
• M4: 635,342 km (0.1 R)
• M5: 811,269 km (0.101 R)
• M6: 1,009,337 km (0.116 R)
• M7: 1,516,623 km (0.093 R)
• M8: 2,301,114 km (0.044 R)
• M9: 3,077,827 km (0.099 R)
• M10: 4,450,387 km (0.085 R)
• M11: 5,707,308 km (0.104 R)
• M12: 7,222,286 km (0.08 R)
• M13: 7,578,778 km (0.11 R)
• M14: 9,031,523 km (0.102 R)
• M15: 9,919,386 km (0.089 R)
• M16: 11,331,590 km (0.098 R)
• M17: 14,238,576 km (0.078 R)
• M18: 14,988,360 km (0.058 R)
• M19: 16,028,365 km (0.077 R)
• M20: 19,135,213 km (0.119 R)
• M21: 19,511,751 km (0.113 R)
• M22: 19,893,226 km (0.096 R)
• M23: 21,307,973 km (0.114 R)
• M24: 21,712,635 km (0.111 R)
• M25: 23,041,662 km (0.074 R)
• M26: 24,336,133 km (0.091 R)
• M27: 26,228,695 km (0.05 R)
• M28: 29,496,960 km (0.104 R)
• M29: 34,226,198 km (0.1 R)
• M30: 35,341,599 km (0.118 R)
• M31: 36,136,712 km (0.051 R)
• M32: 37,176,417 km (0.085 R)
• M33: 41,660,613 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.7

Radius: 4.9

Gravity: 36.39 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.54 AU - 7.32 AU

Year: 9794 Days

Day: 19.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,991,393 km

• M1: 62,682 km (0.064 R)
• M2: 286,779 km (0.104 R)
• M3: 562,787 km (0.079 R)
• M4: 759,957 km (0.102 R)
• M5: 1,184,965 km (0.095 R)
• M6: 1,429,707 km (0.089 R)
• M7: 1,802,505 km (0.036 R)
• M8: 2,313,381 km (0.104 R)
• M9: 3,098,471 km (0.031 R)
• M10: 4,393,241 km (0.117 R)
• M11: 5,045,188 km (0.116 R)
• M12: 5,902,833 km (0.038 R)
• M13: 8,767,632 km (0.089 R)
• M14: 8,957,621 km (0.103 R)
• M15: 10,260,020 km (0.074 R)
• M16: 10,471,103 km (0.096 R)
• M17: 12,030,212 km (0.1 R)
• M18: 12,864,968 km (0.098 R)
• M19: 15,051,790 km (0.088 R)
• M20: 15,530,952 km (0.12 R)
• M21: 17,624,724 km (0.071 R)
• M22: 18,003,805 km (0.057 R)
• M23: 21,577,249 km (0.101 R)
• M24: 34,956,534 km (0.063 R)
• M25: 37,018,292 km (0.032 R)
• M26: 38,268,183 km (0.118 R)
• M27: 41,648,945 km (0.033 R)
• M28: 46,076,593 km (0.088 R)
• M29: 47,230,441 km (0.11 R)
• M30: 48,255,785 km (0.066 R)
• M31: 49,146,491 km (0.111 R)
• M32: 49,897,023 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.2

Radius: 6.3

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 6.58 AU - 8.18 AU

Year: 13598 Days

Day: 18.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,991,393 km

• M1: 78,389 km (0.075 R)
• M2: 627,713 km (0.108 R)
• M3: 1,811,481 km (0.089 R)
• M4: 3,409,485 km (0.066 R)
• M5: 3,674,124 km (0.093 R)
• M6: 4,269,523 km (0.105 R)
• M7: 9,690,202 km (0.1 R)
• M8: 12,599,581 km (0.083 R)
• M9: 16,914,433 km (0.114 R)
• M10: 20,424,747 km (0.115 R)
• M11: 20,931,584 km (0.062 R)
• M12: 27,333,625 km (0.115 R)
• M13: 29,943,360 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.8

Radius: 5.8

Gravity: 22.11 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.83 AU - 10.01 AU

Year: 16571 Days

Day: 21 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,991,393 km

• M1: 72,705 km (0.111 R)
• M2: 304,731 km (0.108 R)
• M3: 816,056 km (0.091 R)
• M4: 1,489,845 km (0.038 R)
• M5: 1,805,646 km (0.088 R)
• M6: 2,504,119 km (0.113 R)
• M7: 4,650,399 km (0.064 R)
• M8: 5,069,573 km (0.113 R)
• M9: 6,310,637 km (0.116 R)
• M10: 6,912,618 km (0.075 R)
• M11: 7,599,123 km (0.118 R)
• M12: 8,032,358 km (0.063 R)
• M13: 10,507,904 km (0.093 R)
• M14: 11,664,146 km (0.1 R)
• M15: 15,715,556 km (0.093 R)
• M16: 16,497,504 km (0.082 R)
• M17: 16,817,493 km (0.049 R)
• M18: 17,305,182 km (0.099 R)
• M19: 19,350,634 km (0.089 R)
• M20: 20,986,636 km (0.117 R)
• M21: 21,934,339 km (0.114 R)
• M22: 30,326,032 km (0.071 R)
• M23: 30,565,538 km (0.114 R)
• M24: 39,479,327 km (0.112 R)
• M25: 40,775,144 km (0.086 R)
• M26: 44,987,820 km (0.085 R)
• M27: 47,520,661 km (0.045 R)
• M28: 55,329,221 km (0.092 R)
• M29: 56,769,101 km (0.053 R)
• M30: 57,315,432 km (0.11 R)
• M31: 60,099,748 km (0.12 R)
• M32: 62,005,176 km (0.092 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 12,964 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit