🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.7

Radius: 14

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.66 AU - 0.68 AU

Year: 372 Days

Day: 7.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 33,343,676 km

• M1: 174,132 km (0.081 R)
• M2: 687,402 km (0.088 R)
• M3: 1,131,857 km (0.11 R)
• M4: 1,577,809 km (0.063 R)
• M5: 2,220,631 km (0.042 R)
• M6: 2,683,636 km (0.108 R)
• M7: 3,142,004 km (0.119 R)
• M8: 3,741,742 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.9

Radius: 8.6

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.93 AU - 1.25 AU

Year: 772 Days

Day: 5.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,343,676 km

• M1: 118,332 km (0.116 R)
• M2: 592,557 km (0.051 R)
• M3: 866,471 km (0.107 R)
• M4: 1,307,934 km (0.051 R)
• M5: 1,585,139 km (0.117 R)
• M6: 2,133,565 km (0.086 R)
• M7: 2,452,507 km (0.079 R)
• M8: 2,868,539 km (0.095 R)
• M9: 3,246,723 km (0.077 R)
• M10: 4,435,278 km (0.093 R)
• M11: 4,894,842 km (0.108 R)
• M12: 5,235,177 km (0.077 R)
• M13: 6,371,074 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668

Radius: 14.6

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.21 AU - 1.39 AU

Year: 1005 Days

Day: 8.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,343,676 km

• M1: 182,360 km (0.107 R)
• M2: 705,504 km (0.12 R)
• M3: 1,216,380 km (0.036 R)
• M4: 1,701,676 km (0.097 R)
• M5: 2,286,753 km (0.095 R)
• M6: 2,742,129 km (0.074 R)
• M7: 3,469,324 km (0.071 R)
• M8: 4,108,855 km (0.045 R)
• M9: 4,701,263 km (0.101 R)
• M10: 5,566,537 km (0.082 R)
• M11: 7,179,202 km (0.112 R)
• M12: 7,889,941 km (0.115 R)
• M13: 9,197,427 km (0.047 R)
• M14: 9,712,492 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383

Radius: 8.1

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.19 AU - 1.93 AU

Year: 1322 Days

Day: 9 Hours

Environment

Temp: -192 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,343,676 km

• M1: 100,679 km (0.094 R)
• M2: 371,900 km (0.032 R)
• M3: 639,980 km (0.102 R)
• M4: 970,741 km (0.073 R)
• M5: 1,229,694 km (0.082 R)
• M6: 1,560,306 km (0.039 R)
• M7: 1,816,268 km (0.107 R)
• M8: 2,291,989 km (0.113 R)
• M9: 4,014,758 km (0.117 R)
• M10: 4,713,979 km (0.038 R)
• M11: 5,275,270 km (0.108 R)
• M12: 5,985,560 km (0.06 R)
• M13: 7,156,313 km (0.106 R)
• M14: 8,077,687 km (0.109 R)
• M15: 8,446,146 km (0.12 R)
• M16: 9,020,004 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.3

Radius: 8.5

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.47 AU - 3.65 AU

Year: 4556 Days

Day: 7 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,343,676 km

• M1: 106,813 km (0.11 R)
• M2: 395,986 km (0.046 R)
• M3: 660,923 km (0.078 R)
• M4: 1,034,918 km (0.118 R)
• M5: 1,316,611 km (0.109 R)
• M6: 1,603,988 km (0.097 R)
• M7: 2,066,994 km (0.066 R)
• M8: 2,474,648 km (0.118 R)
• M9: 2,987,769 km (0.06 R)
• M10: 3,336,182 km (0.117 R)
• M11: 3,963,147 km (0.067 R)
• M12: 4,430,939 km (0.085 R)
• M13: 4,811,666 km (0.05 R)
• M14: 5,972,396 km (0.109 R)
• M15: 6,260,372 km (0.087 R)
• M16: 6,864,448 km (0.061 R)
• M17: 7,407,787 km (0.094 R)
• M18: 7,673,324 km (0.062 R)
• M19: 10,481,874 km (0.074 R)
• M20: 12,321,928 km (0.101 R)
• M21: 13,367,168 km (0.083 R)
• M22: 17,964,311 km (0.105 R)
• M23: 18,505,406 km (0.099 R)
• M24: 20,452,871 km (0.063 R)
• M25: 23,731,757 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.6

Radius: 10.5

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 3.52 AU - 4.26 AU

Year: 5204 Days

Day: 14.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,343,676 km

• M1: 134,040 km (0.117 R)
• M2: 491,579 km (0.077 R)
• M3: 1,272,031 km (0.112 R)
• M4: 2,065,348 km (0.08 R)
• M5: 3,674,124 km (0.067 R)
• M6: 4,796,407 km (0.075 R)
• M7: 5,294,119 km (0.095 R)
• M8: 6,048,691 km (0.087 R)
• M9: 6,660,396 km (0.066 R)
• M10: 7,153,770 km (0.097 R)
• M11: 7,771,161 km (0.061 R)
• M12: 8,423,856 km (0.12 R)
• M13: 11,147,585 km (0.074 R)
• M14: 13,037,604 km (0.094 R)
• M15: 13,810,726 km (0.099 R)
• M16: 14,158,541 km (0.12 R)
• M17: 14,768,451 km (0.092 R)
• M18: 15,184,633 km (0.067 R)
• M19: 17,041,591 km (0.099 R)
• M20: 18,741,322 km (0.105 R)
• M21: 22,474,836 km (0.077 R)
• M22: 23,798,328 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.3

Radius: 11.3

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.76 AU - 4.54 AU

Year: 5734 Days

Day: 7.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 33,343,676 km

• M1: 145,409 km (0.117 R)
• M2: 588,219 km (0.108 R)
• M3: 1,045,988 km (0.109 R)
• M4: 1,755,082 km (0.078 R)
• M5: 2,218,088 km (0.09 R)
• M6: 3,007,665 km (0.105 R)
• M7: 3,478,898 km (0.106 R)
• M8: 4,649,352 km (0.077 R)
• M9: 5,339,896 km (0.099 R)
• M10: 6,097,310 km (0.094 R)
• M11: 6,719,936 km (0.097 R)
• M12: 7,826,213 km (0.082 R)
• M13: 9,301,098 km (0.073 R)
• M14: 9,729,696 km (0.087 R)
• M15: 10,534,682 km (0.112 R)
• M16: 10,906,433 km (0.084 R)
• M17: 11,774,998 km (0.116 R)
• M18: 13,163,565 km (0.03 R)
• M19: 13,595,305 km (0.076 R)
• M20: 15,417,257 km (0.067 R)
• M21: 18,582,000 km (0.044 R)
• M22: 21,929,552 km (0.104 R)
• M23: 23,864,750 km (0.097 R)
• M24: 27,280,817 km (0.075 R)
• M25: 31,391,019 km (0.099 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 18,007 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit