🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.5

Radius: 9.8

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.49 AU - 0.67 AU

Year: 305 Days

Day: 11.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 31,902,053 km

• M1: 121,922 km (0.088 R)
• M2: 453,581 km (0.118 R)
• M3: 761,902 km (0.099 R)
• M4: 1,122,582 km (0.05 R)
• M5: 1,701,526 km (0.113 R)
• M6: 2,121,298 km (0.099 R)
• M7: 2,667,330 km (0.073 R)
• M8: 3,010,657 km (0.115 R)
• M9: 3,799,936 km (0.053 R)
• M10: 4,607,315 km (0.108 R)
• M11: 4,940,021 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 15

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.65 AU - 0.71 AU

Year: 387 Days

Day: 12.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,902,053 km

• M1: 186,549 km (0.116 R)
• M2: 661,223 km (0.096 R)
• M3: 1,304,344 km (0.068 R)
• M4: 1,810,284 km (0.094 R)
• M5: 2,578,170 km (0.068 R)
• M6: 3,360,716 km (0.037 R)
• M7: 4,191,433 km (0.086 R)
• M8: 5,278,411 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.8

Radius: 12.4

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.6 AU - 0.82 AU

Year: 413 Days

Day: 7.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 31,902,053 km

• M1: 154,385 km (0.091 R)
• M2: 581,637 km (0.102 R)
• M3: 1,243,607 km (0.118 R)
• M4: 1,875,509 km (0.04 R)
• M5: 2,271,344 km (0.108 R)
• M6: 4,177,820 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.7

Radius: 13.8

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.84 AU - 2.8 AU

Year: 2439 Days

Day: 13.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,902,053 km

• M1: 171,738 km (0.12 R)
• M2: 743,352 km (0.037 R)
• M3: 1,335,460 km (0.068 R)
• M4: 1,863,391 km (0.108 R)
• M5: 2,866,146 km (0.078 R)
• M6: 3,647,495 km (0.114 R)
• M7: 4,457,717 km (0.045 R)
• M8: 4,906,062 km (0.048 R)
• M9: 6,000,520 km (0.039 R)
• M10: 6,577,519 km (0.071 R)
• M11: 9,850,571 km (0.12 R)
• M12: 10,538,123 km (0.031 R)
• M13: 13,799,805 km (0.068 R)
• M14: 14,515,332 km (0.087 R)
• M15: 15,055,679 km (0.11 R)
• M16: 16,072,346 km (0.084 R)
• M17: 16,650,841 km (0.09 R)
• M18: 17,905,369 km (0.102 R)
• M19: 18,699,285 km (0.038 R)
• M20: 19,635,319 km (0.077 R)
• M21: 20,540,984 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.1

Radius: 12

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.17 AU - 2.69 AU

Year: 2615 Days

Day: 5.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,902,053 km

• M1: 149,448 km (0.056 R)
• M2: 528,230 km (0.106 R)
• M3: 1,029,981 km (0.051 R)
• M4: 1,500,766 km (0.036 R)
• M5: 1,973,495 km (0.09 R)
• M6: 2,519,976 km (0.111 R)
• M7: 3,165,940 km (0.064 R)
• M8: 3,568,956 km (0.094 R)
• M9: 3,971,524 km (0.106 R)
• M10: 4,479,708 km (0.037 R)
• M11: 6,105,239 km (0.078 R)
• M12: 6,834,678 km (0.046 R)
• M13: 7,379,364 km (0.089 R)
• M14: 8,438,517 km (0.112 R)
• M15: 9,756,474 km (0.077 R)
• M16: 11,242,430 km (0.12 R)
• M17: 12,528,223 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.1

Radius: 10.9

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.52 AU - 4.44 AU

Year: 5481 Days

Day: 9.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,902,053 km

• M1: 135,536 km (0.081 R)
• M2: 612,005 km (0.067 R)
• M3: 1,227,301 km (0.11 R)
• M4: 1,572,872 km (0.056 R)
• M5: 2,193,554 km (0.104 R)
• M6: 2,839,368 km (0.103 R)
• M7: 4,484,047 km (0.119 R)
• M8: 6,588,739 km (0.072 R)
• M9: 8,549,369 km (0.081 R)
• M10: 9,156,886 km (0.058 R)
• M11: 10,412,909 km (0.1 R)
• M12: 12,533,310 km (0.069 R)
• M13: 14,414,054 km (0.066 R)
• M14: 15,392,574 km (0.095 R)
• M15: 15,748,317 km (0.081 R)
• M16: 17,353,652 km (0.066 R)
• M17: 18,130,364 km (0.113 R)
• M18: 18,527,247 km (0.078 R)
• M19: 20,385,702 km (0.099 R)
• M20: 27,825,952 km (0.097 R)
• M21: 28,710,524 km (0.059 R)
• M22: 29,431,735 km (0.066 R)
• M23: 30,816,264 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.4

Radius: 13.2

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.53 AU - 5.43 AU

Year: 6545 Days

Day: 11.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,902,053 km

• M1: 164,258 km (0.102 R)
• M2: 654,191 km (0.105 R)
• M3: 1,233,734 km (0.071 R)
• M4: 1,784,852 km (0.06 R)
• M5: 2,272,541 km (0.106 R)
• M6: 3,095,030 km (0.074 R)
• M7: 3,608,749 km (0.102 R)
• M8: 6,649,326 km (0.026 R)
• M9: 7,764,877 km (0.102 R)
• M10: 9,082,835 km (0.027 R)
• M11: 10,864,695 km (0.118 R)
• M12: 12,010,315 km (0.098 R)
• M13: 12,663,609 km (0.082 R)
• M14: 13,234,774 km (0.119 R)
• M15: 14,766,806 km (0.028 R)
• M16: 15,283,367 km (0.067 R)
• M17: 16,474,914 km (0.075 R)
• M18: 17,920,778 km (0.062 R)
• M19: 19,931,672 km (0.086 R)
• M20: 20,776,751 km (0.116 R)
• M21: 21,499,009 km (0.103 R)
• M22: 22,238,023 km (0.093 R)
• M23: 26,441,124 km (0.115 R)
• M24: 27,118,504 km (0.094 R)
• M25: 29,309,963 km (0.055 R)
• M26: 30,773,180 km (0.118 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: 373 - 14,971 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit