🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.1

Radius: 15

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.6 AU - 0.9 AU

Year: 413 Days

Day: 14.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,577,055 km

• M1: 186,549 km (0.056 R)
• M2: 663,317 km (0.105 R)
• M3: 1,177,036 km (0.105 R)
• M4: 1,681,929 km (0.088 R)
• M5: 2,154,209 km (0.033 R)
• M6: 2,677,802 km (0.076 R)
• M7: 3,286,665 km (0.114 R)
• M8: 3,923,354 km (0.107 R)
• M9: 5,287,986 km (0.108 R)

Asteroid Belt

Center: 1.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.5

Radius: 8.7

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.28 AU - 2.06 AU

Year: 1372 Days

Day: 5.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,577,055 km

• M1: 109,057 km (0.093 R)
• M2: 395,537 km (0.089 R)
• M3: 700,417 km (0.096 R)
• M4: 1,109,867 km (0.117 R)
• M5: 1,497,175 km (0.077 R)
• M6: 1,783,655 km (0.079 R)
• M7: 2,223,623 km (0.066 R)
• M8: 2,508,307 km (0.11 R)
• M9: 3,562,374 km (0.106 R)
• M10: 4,432,735 km (0.068 R)
• M11: 4,785,785 km (0.031 R)
• M12: 5,307,433 km (0.058 R)
• M13: 6,268,600 km (0.109 R)
• M14: 6,663,837 km (0.08 R)
• M15: 8,035,650 km (0.069 R)
• M16: 9,079,992 km (0.114 R)
• M17: 9,879,743 km (0.043 R)
• M18: 10,449,710 km (0.093 R)
• M19: 12,716,118 km (0.104 R)
• M20: 13,593,510 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381

Radius: 11.2

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.11 AU - 4.03 AU

Year: 4289 Days

Day: 12.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,577,055 km

• M1: 139,276 km (0.086 R)
• M2: 655,089 km (0.064 R)
• M3: 1,038,359 km (0.075 R)
• M4: 1,630,318 km (0.118 R)
• M5: 2,265,660 km (0.042 R)
• M6: 2,776,536 km (0.114 R)
• M7: 3,308,207 km (0.093 R)
• M8: 3,686,540 km (0.077 R)
• M9: 4,832,310 km (0.086 R)
• M10: 5,372,359 km (0.073 R)
• M11: 6,342,800 km (0.053 R)
• M12: 6,780,224 km (0.115 R)
• M13: 7,394,623 km (0.075 R)
• M14: 9,880,640 km (0.119 R)
• M15: 11,040,472 km (0.116 R)
• M16: 11,674,917 km (0.066 R)
• M17: 12,513,263 km (0.103 R)
• M18: 13,156,385 km (0.12 R)
• M19: 13,966,756 km (0.095 R)
• M20: 14,709,061 km (0.097 R)
• M21: 15,064,506 km (0.103 R)
• M22: 19,000,426 km (0.086 R)
• M23: 19,604,951 km (0.112 R)
• M24: 20,852,298 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.9

Radius: 11.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3 AU - 4.4 AU

Year: 4525 Days

Day: 11.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,577,055 km

• M1: 148,700 km (0.115 R)
• M2: 841,189 km (0.1 R)
• M3: 1,303,446 km (0.083 R)
• M4: 3,048,356 km (0.097 R)
• M5: 3,692,674 km (0.07 R)
• M6: 4,132,940 km (0.062 R)
• M7: 7,105,600 km (0.111 R)
• M8: 9,729,995 km (0.101 R)
• M9: 11,894,228 km (0.078 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.8

Radius: 7.9

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 5.1 AU - 7.58 AU

Year: 10150 Days

Day: 21 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,577,055 km

• M1: 98,286 km (0.099 R)
• M2: 426,354 km (0.106 R)
• M3: 866,620 km (0.067 R)
• M4: 2,199,388 km (0.116 R)
• M5: 2,660,598 km (0.115 R)
• M6: 3,092,786 km (0.118 R)
• M7: 3,828,210 km (0.114 R)
• M8: 4,153,136 km (0.118 R)
• M9: 5,920,336 km (0.099 R)
• M10: 6,505,862 km (0.112 R)
• M11: 8,494,915 km (0.108 R)
• M12: 11,127,090 km (0.111 R)
• M13: 13,690,000 km (0.112 R)
• M14: 14,194,893 km (0.102 R)
• M15: 17,124,019 km (0.041 R)
• M16: 17,488,889 km (0.116 R)
• M17: 17,858,844 km (0.049 R)
• M18: 18,538,019 km (0.089 R)
• M19: 19,708,023 km (0.11 R)
• M20: 20,028,163 km (0.034 R)
• M21: 22,715,838 km (0.059 R)
• M22: 25,069,312 km (0.035 R)
• M23: 29,832,957 km (0.077 R)
• M24: 30,574,514 km (0.101 R)
• M25: 31,436,945 km (0.094 R)
• M26: 33,550,314 km (0.063 R)
• M27: 34,816,062 km (0.086 R)
• M28: 35,519,770 km (0.071 R)
• M29: 36,593,135 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.3

Radius: 3.1

Gravity: 61.43 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.95 AU - 7.85 AU

Year: 11524 Days

Day: 19.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,577,055 km

• M1: 51,013 km (0.08 R)
• M2: 482,902 km (0.083 R)
• M3: 2,375,913 km (0.084 R)
• M4: 2,576,225 km (0.075 R)
• M5: 3,441,200 km (0.108 R)
• M6: 4,049,614 km (0.071 R)
• M7: 4,190,835 km (0.095 R)
• M8: 5,173,842 km (0.076 R)
• M9: 5,510,138 km (0.11 R)
• M10: 6,263,513 km (0.097 R)
• M11: 6,490,752 km (0.109 R)
• M12: 11,132,774 km (0.041 R)
• M13: 20,670,985 km (0.109 R)
• M14: 20,837,787 km (0.111 R)
• M15: 27,762,822 km (0.075 R)
• M16: 31,242,169 km (0.101 R)
• M17: 39,177,588 km (0.095 R)
• M18: 40,858,470 km (0.113 R)
• M19: 42,586,774 km (0.076 R)
• M20: 46,473,476 km (0.093 R)
• M21: 49,688,334 km (0.06 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 623.1

Radius: 4.1

Gravity: 37.07 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 9.03 AU - 11.13 AU

Year: 20348 Days

Day: 17.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,577,055 km

• M1: 52,359 km (0.098 R)
• M2: 485,595 km (0.115 R)
• M3: 647,160 km (0.118 R)
• M4: 855,401 km (0.075 R)
• M5: 1,301,352 km (0.087 R)
• M6: 1,634,955 km (0.075 R)
• M7: 1,849,927 km (0.059 R)
• M8: 3,273,800 km (0.103 R)
• M9: 4,749,433 km (0.093 R)
• M10: 6,530,097 km (0.12 R)
• M11: 10,053,725 km (0.066 R)
• M12: 10,349,629 km (0.052 R)
• M13: 10,651,368 km (0.116 R)
• M14: 11,209,069 km (0.099 R)
• M15: 12,929,744 km (0.112 R)
• M16: 19,404,938 km (0.074 R)
• M17: 21,672,244 km (0.036 R)
• M18: 25,069,611 km (0.111 R)
• M19: 27,983,778 km (0.079 R)
• M20: 30,619,543 km (0.101 R)
• M21: 35,553,729 km (0.096 R)
• M22: 35,827,194 km (0.049 R)
• M23: 36,102,005 km (0.106 R)
• M24: 37,780,643 km (0.088 R)
• M25: 48,118,305 km (0.086 R)
• M26: 67,230,929 km (0.108 R)
• M27: 73,686,376 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 18,659 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit