🌌 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: 707.1

Radius: 8.9

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.51 AU - 0.61 AU

Year: 289 Days

Day: 6.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,396,190 km

• M1: 111,002 km (0.101 R)
• M2: 415,433 km (0.093 R)
• M3: 698,024 km (0.112 R)
• M4: 1,121,685 km (0.066 R)
• M5: 1,517,371 km (0.043 R)
• M6: 2,004,911 km (0.117 R)
• M7: 2,298,422 km (0.101 R)
• M8: 2,798,079 km (0.027 R)
• M9: 3,445,089 km (0.089 R)
• M10: 4,213,723 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.2

Radius: 11.5

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.61 AU - 0.75 AU

Year: 387 Days

Day: 7.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,396,190 km

• M1: 143,315 km (0.088 R)
• M2: 585,676 km (0.09 R)
• M3: 974,032 km (0.079 R)
• M4: 1,385,276 km (0.112 R)
• M5: 2,025,406 km (0.118 R)
• M6: 3,053,442 km (0.105 R)
• M7: 3,921,559 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.3

Radius: 10.1

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.67 AU - 0.77 AU

Year: 422 Days

Day: 10.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,396,190 km

• M1: 125,662 km (0.047 R)
• M2: 520,451 km (0.082 R)
• M3: 845,228 km (0.11 R)
• M4: 1,246,898 km (0.1 R)
• M5: 1,652,009 km (0.108 R)
• M6: 2,266,408 km (0.068 R)
• M7: 2,919,402 km (0.117 R)
• M8: 3,389,738 km (0.107 R)
• M9: 4,041,686 km (0.115 R)
• M10: 5,033,370 km (0.08 R)
• M11: 5,365,328 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.1

Radius: 14.9

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.76 AU - 1.08 AU

Year: 609 Days

Day: 5.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,396,190 km

• M1: 185,352 km (0.106 R)
• M2: 656,735 km (0.112 R)
• M3: 1,222,963 km (0.039 R)
• M4: 1,908,420 km (0.108 R)
• M5: 2,439,343 km (0.12 R)
• M6: 3,046,261 km (0.086 R)
• M7: 3,726,782 km (0.095 R)
• M8: 5,378,343 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.9

Radius: 9.2

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.14 AU - 2.66 AU

Year: 2566 Days

Day: 7.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,396,190 km

• M1: 114,442 km (0.104 R)
• M2: 415,583 km (0.091 R)
• M3: 919,578 km (0.084 R)
• M4: 1,384,827 km (0.086 R)
• M5: 2,108,283 km (0.063 R)
• M6: 2,427,225 km (0.064 R)
• M7: 2,805,110 km (0.095 R)
• M8: 3,553,548 km (0.108 R)
• M9: 4,502,148 km (0.111 R)
• M10: 5,568,482 km (0.038 R)
• M11: 7,680,504 km (0.077 R)
• M12: 8,165,052 km (0.101 R)
• M13: 10,374,313 km (0.051 R)
• M14: 10,733,797 km (0.118 R)
• M15: 11,546,861 km (0.026 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.5

Radius: 14.5

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.25 AU - 2.71 AU

Year: 2696 Days

Day: 10.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,396,190 km

• M1: 180,415 km (0.09 R)
• M2: 801,246 km (0.092 R)
• M3: 1,874,910 km (0.075 R)
• M4: 2,501,576 km (0.1 R)
• M5: 3,318,230 km (0.036 R)
• M6: 4,142,814 km (0.116 R)
• M7: 5,123,877 km (0.096 R)
• M8: 5,783,902 km (0.096 R)
• M9: 6,555,528 km (0.087 R)
• M10: 7,700,550 km (0.111 R)
• M11: 8,535,307 km (0.094 R)
• M12: 9,358,843 km (0.104 R)
• M13: 11,815,389 km (0.112 R)
• M14: 14,106,930 km (0.096 R)
• M15: 16,838,736 km (0.067 R)
• M16: 17,586,875 km (0.045 R)
• M17: 18,190,203 km (0.1 R)
• M18: 19,496,492 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.9

Radius: 10.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.86 AU - 4.46 AU

Year: 5857 Days

Day: 14.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,396,190 km

• M1: 133,142 km (0.092 R)
• M2: 1,312,422 km (0.112 R)
• M3: 2,744,523 km (0.087 R)
• M4: 6,213,697 km (0.076 R)
• M5: 7,546,465 km (0.094 R)
• M6: 9,688,257 km (0.046 R)
• M7: 13,267,835 km (0.044 R)
• M8: 14,284,203 km (0.038 R)
• M9: 16,186,789 km (0.115 R)
• M10: 16,702,153 km (0.108 R)
• M11: 18,437,638 km (0.116 R)
• M12: 18,999,827 km (0.06 R)
• M13: 20,092,939 km (0.064 R)
• M14: 22,829,832 km (0.117 R)
• M15: 26,039,454 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 402.5

Radius: 3

Gravity: 44.72 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.39 AU - 9.01 AU

Year: 16208 Days

Day: 17.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,396,190 km

• M1: 37,699 km (0.098 R)
• M2: 137,780 km (0.072 R)
• M3: 239,506 km (0.083 R)
• M4: 841,488 km (0.062 R)
• M5: 966,103 km (0.069 R)
• M6: 2,175,003 km (0.095 R)
• M7: 2,350,332 km (0.108 R)
• M8: 3,099,069 km (0.083 R)
• M9: 3,321,073 km (0.048 R)
• M10: 11,522,926 km (0.06 R)
• M11: 12,977,166 km (0.059 R)
• M12: 17,138,530 km (0.107 R)
• M13: 24,147,191 km (0.085 R)
• M14: 25,706,449 km (0.115 R)
• M15: 28,168,980 km (0.044 R)
• M16: 30,226,699 km (0.118 R)
• M17: 51,981,371 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 12,577 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit