🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.4

Radius: 11.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.76 AU - 0.84 AU

Year: 469 Days

Day: 8.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,713,594 km

• M1: 148,401 km (0.054 R)
• M2: 551,717 km (0.11 R)
• M3: 988,393 km (0.091 R)
• M4: 1,363,285 km (0.073 R)
• M5: 2,154,060 km (0.05 R)
• M6: 2,547,652 km (0.101 R)
• M7: 3,000,185 km (0.061 R)
• M8: 3,389,140 km (0.079 R)
• M9: 3,862,467 km (0.035 R)
• M10: 4,297,348 km (0.112 R)
• M11: 4,853,404 km (0.033 R)
• M12: 5,586,882 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.1

Radius: 9

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.83 AU - 1.19 AU

Year: 666 Days

Day: 10.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,713,594 km

• M1: 111,899 km (0.12 R)
• M2: 715,975 km (0.088 R)
• M3: 1,201,570 km (0.109 R)
• M4: 1,826,740 km (0.099 R)
• M5: 2,388,031 km (0.047 R)
• M6: 2,676,306 km (0.11 R)
• M7: 4,071,755 km (0.108 R)
• M8: 4,860,584 km (0.053 R)
• M9: 6,289,693 km (0.104 R)
• M10: 7,386,096 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324

Radius: 10.1

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.86 AU - 2.48 AU

Year: 2097 Days

Day: 12.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,713,594 km

• M1: 125,662 km (0.053 R)
• M2: 514,617 km (0.099 R)
• M3: 1,388,268 km (0.066 R)
• M4: 1,878,052 km (0.096 R)
• M5: 2,192,955 km (0.064 R)
• M6: 2,848,194 km (0.085 R)
• M7: 4,303,931 km (0.118 R)
• M8: 4,661,769 km (0.114 R)
• M9: 5,225,753 km (0.065 R)
• M10: 6,936,704 km (0.08 R)
• M11: 7,891,886 km (0.062 R)
• M12: 12,005,080 km (0.116 R)
• M13: 13,026,085 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.1

Radius: 9.1

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.36 AU - 4.8 AU

Year: 5406 Days

Day: 11.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,713,594 km

• M1: 113,246 km (0.074 R)
• M2: 550,969 km (0.109 R)
• M3: 1,141,282 km (0.079 R)
• M4: 1,683,724 km (0.111 R)
• M5: 2,246,810 km (0.118 R)
• M6: 3,445,239 km (0.116 R)
• M7: 3,972,721 km (0.109 R)
• M8: 4,681,067 km (0.102 R)
• M9: 5,733,638 km (0.118 R)
• M10: 6,411,017 km (0.117 R)
• M11: 8,148,596 km (0.082 R)
• M12: 8,491,774 km (0.079 R)
• M13: 8,884,468 km (0.079 R)
• M14: 11,358,966 km (0.094 R)
• M15: 12,128,797 km (0.057 R)
• M16: 14,424,975 km (0.094 R)
• M17: 14,759,176 km (0.119 R)
• M18: 19,586,550 km (0.079 R)
• M19: 23,408,626 km (0.102 R)
• M20: 25,051,510 km (0.062 R)
• M21: 26,271,032 km (0.051 R)
• M22: 27,359,655 km (0.118 R)
• M23: 28,044,365 km (0.099 R)
• M24: 28,390,983 km (0.071 R)
• M25: 28,740,444 km (0.091 R)
• M26: 29,092,747 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.1

Radius: 5.5

Gravity: 25.33 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.66 AU - 9.04 AU

Year: 17271 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,713,594 km

• M1: 82,428 km (0.083 R)
• M2: 465,249 km (0.089 R)
• M3: 769,681 km (0.091 R)
• M4: 973,433 km (0.078 R)
• M5: 1,254,827 km (0.072 R)
• M6: 1,508,395 km (0.12 R)
• M7: 1,777,671 km (0.086 R)
• M8: 3,006,618 km (0.077 R)
• M9: 3,324,065 km (0.069 R)
• M10: 4,613,598 km (0.074 R)
• M11: 5,145,718 km (0.091 R)
• M12: 5,445,811 km (0.114 R)
• M13: 5,917,643 km (0.116 R)
• M14: 7,785,522 km (0.065 R)
• M15: 8,590,209 km (0.113 R)
• M16: 9,228,992 km (0.039 R)
• M17: 11,908,290 km (0.098 R)
• M18: 13,111,505 km (0.057 R)
• M19: 13,529,931 km (0.071 R)
• M20: 17,875,150 km (0.044 R)
• M21: 18,216,982 km (0.086 R)
• M22: 19,992,259 km (0.11 R)
• M23: 23,574,530 km (0.049 R)
• M24: 24,089,147 km (0.119 R)
• M25: 25,141,119 km (0.038 R)
• M26: 26,333,115 km (0.117 R)
• M27: 30,134,546 km (0.032 R)
• M28: 42,782,298 km (0.118 R)
• M29: 46,701,014 km (0.105 R)
• M30: 48,003,862 km (0.11 R)
• M31: 55,062,937 km (0.051 R)
• M32: 55,423,917 km (0.1 R)
• M33: 58,182,053 km (0.088 R)
• M34: 67,414,336 km (0.057 R)
• M35: 69,286,852 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 563.9

Radius: 3.8

Gravity: 39.05 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.73 AU - 9.53 AU

Year: 18097 Days

Day: 22.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,713,594 km

• M1: 52,210 km (0.062 R)
• M2: 180,565 km (0.069 R)
• M3: 455,825 km (0.062 R)
• M4: 816,804 km (0.108 R)
• M5: 1,114,055 km (0.03 R)
• M6: 1,995,187 km (0.058 R)
• M7: 2,314,728 km (0.036 R)
• M8: 2,486,915 km (0.12 R)
• M9: 2,644,442 km (0.104 R)
• M10: 4,124,712 km (0.098 R)
• M11: 6,924,736 km (0.08 R)
• M12: 7,328,201 km (0.109 R)
• M13: 9,313,365 km (0.086 R)
• M14: 10,428,617 km (0.114 R)
• M15: 15,630,135 km (0.077 R)
• M16: 17,278,853 km (0.084 R)
• M17: 18,271,136 km (0.032 R)
• M18: 23,209,062 km (0.11 R)
• M19: 24,620,518 km (0.118 R)
• M20: 26,302,597 km (0.104 R)
• M21: 28,284,769 km (0.046 R)
• M22: 29,893,544 km (0.065 R)
• M23: 30,246,146 km (0.081 R)
• M24: 33,041,383 km (0.073 R)
• M25: 33,292,258 km (0.092 R)
• M26: 35,871,625 km (0.084 R)
• M27: 38,998,819 km (0.037 R)
• M28: 52,469,060 km (0.114 R)
• M29: 53,497,994 km (0.11 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: 239 - 12,224 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit