🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.6

Radius: 8.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.67 AU - 1.05 AU

Year: 523 Days

Day: 6.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,138,838 km

• M1: 110,702 km (0.105 R)
• M2: 427,850 km (0.101 R)
• M3: 766,689 km (0.117 R)
• M4: 1,484,460 km (0.106 R)
• M5: 1,802,355 km (0.072 R)
• M6: 2,127,282 km (0.034 R)
• M7: 2,720,587 km (0.1 R)
• M8: 3,081,118 km (0.118 R)
• M9: 3,760,890 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.9

Radius: 12

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.17 AU - 1.51 AU

Year: 1018 Days

Day: 7.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,138,838 km

• M1: 149,299 km (0.097 R)
• M2: 634,445 km (0.07 R)
• M3: 1,018,462 km (0.084 R)
• M4: 1,452,296 km (0.099 R)
• M5: 2,347,191 km (0.118 R)
• M6: 2,759,183 km (0.117 R)
• M7: 3,950,581 km (0.096 R)
• M8: 4,662,666 km (0.08 R)
• M9: 5,847,482 km (0.086 R)
• M10: 6,365,240 km (0.093 R)
• M11: 6,960,490 km (0.099 R)
• M12: 7,517,742 km (0.07 R)
• M13: 8,395,881 km (0.118 R)
• M14: 9,959,628 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.3

Radius: 10.2

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.46 AU - 3.34 AU

Year: 3240 Days

Day: 5.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 74,138,838 km

• M1: 127,009 km (0.095 R)
• M2: 454,478 km (0.105 R)
• M3: 938,427 km (0.085 R)
• M4: 1,439,730 km (0.03 R)
• M5: 1,776,176 km (0.093 R)
• M6: 2,538,377 km (0.061 R)
• M7: 3,505,377 km (0.03 R)
• M8: 3,982,894 km (0.119 R)
• M9: 4,546,728 km (0.113 R)
• M10: 5,912,557 km (0.118 R)
• M11: 6,341,005 km (0.111 R)
• M12: 7,022,423 km (0.116 R)
• M13: 7,783,428 km (0.026 R)
• M14: 8,632,246 km (0.083 R)
• M15: 9,114,101 km (0.09 R)
• M16: 9,541,502 km (0.029 R)
• M17: 9,944,967 km (0.103 R)
• M18: 10,983,625 km (0.1 R)
• M19: 11,715,308 km (0.094 R)
• M20: 12,653,437 km (0.062 R)
• M21: 13,825,536 km (0.071 R)
• M22: 15,717,650 km (0.098 R)
• M23: 16,074,590 km (0.089 R)
• M24: 16,857,885 km (0.101 R)
• M25: 19,013,740 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.9

Radius: 14.5

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.09 AU - 4.25 AU

Year: 4612 Days

Day: 9.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,138,838 km

• M1: 180,265 km (0.117 R)
• M2: 781,798 km (0.09 R)
• M3: 1,268,440 km (0.026 R)
• M4: 2,063,403 km (0.113 R)
• M5: 3,644,503 km (0.038 R)
• M6: 4,353,747 km (0.088 R)
• M7: 5,928,564 km (0.1 R)
• M8: 6,551,788 km (0.065 R)
• M9: 7,856,731 km (0.093 R)
• M10: 8,494,018 km (0.098 R)
• M11: 9,287,933 km (0.108 R)
• M12: 9,915,347 km (0.12 R)
• M13: 11,584,710 km (0.044 R)
• M14: 13,434,786 km (0.097 R)
• M15: 14,129,369 km (0.082 R)
• M16: 14,904,137 km (0.087 R)
• M17: 15,359,513 km (0.082 R)
• M18: 18,484,762 km (0.113 R)
• M19: 19,479,288 km (0.107 R)
• M20: 25,802,042 km (0.114 R)
• M21: 26,376,797 km (0.112 R)
• M22: 27,297,423 km (0.089 R)
• M23: 28,762,135 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.3

Radius: 12

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.62 AU - 4.18 AU

Year: 5052 Days

Day: 5.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,138,838 km

• M1: 149,299 km (0.096 R)
• M2: 558,748 km (0.101 R)
• M3: 981,661 km (0.094 R)
• M4: 1,364,632 km (0.047 R)
• M5: 1,826,889 km (0.099 R)
• M6: 2,657,756 km (0.12 R)
• M7: 3,108,943 km (0.045 R)
• M8: 4,336,543 km (0.065 R)
• M9: 4,942,414 km (0.11 R)
• M10: 5,402,129 km (0.116 R)
• M11: 7,164,990 km (0.027 R)
• M12: 8,411,739 km (0.113 R)
• M13: 9,873,011 km (0.081 R)
• M14: 10,963,878 km (0.059 R)
• M15: 11,497,045 km (0.093 R)
• M16: 12,438,764 km (0.074 R)
• M17: 13,292,668 km (0.083 R)
• M18: 13,710,645 km (0.094 R)
• M19: 15,830,147 km (0.113 R)
• M20: 16,995,216 km (0.118 R)
• M21: 17,933,942 km (0.077 R)
• M22: 18,502,115 km (0.093 R)
• M23: 19,554,985 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638

Radius: 4.2

Gravity: 36.17 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.29 AU - 7.55 AU

Year: 13259 Days

Day: 19.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,138,838 km

• M1: 52,210 km (0.12 R)
• M2: 194,178 km (0.119 R)
• M3: 392,545 km (0.056 R)
• M4: 775,515 km (0.102 R)
• M5: 1,238,970 km (0.075 R)
• M6: 1,516,025 km (0.087 R)
• M7: 1,733,690 km (0.118 R)
• M8: 1,989,801 km (0.12 R)
• M9: 2,231,851 km (0.106 R)
• M10: 4,028,371 km (0.085 R)
• M11: 4,294,057 km (0.103 R)
• M12: 5,618,298 km (0.094 R)
• M13: 6,692,859 km (0.082 R)
• M14: 7,627,995 km (0.116 R)
• M15: 8,744,145 km (0.067 R)
• M16: 9,039,302 km (0.052 R)
• M17: 14,368,427 km (0.099 R)
• M18: 14,779,522 km (0.045 R)
• M19: 16,206,087 km (0.082 R)
• M20: 20,944,749 km (0.071 R)
• M21: 25,025,929 km (0.099 R)
• M22: 27,670,520 km (0.062 R)
• M23: 28,735,357 km (0.076 R)
• M24: 30,495,526 km (0.111 R)
• M25: 33,987,140 km (0.075 R)
• M26: 34,838,502 km (0.092 R)
• M27: 36,583,710 km (0.065 R)
• M28: 37,606,661 km (0.102 R)
• M29: 40,382,449 km (0.074 R)
• M30: 44,291,890 km (0.055 R)
• M31: 46,933,789 km (0.079 R)
• M32: 52,207,114 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.6

Radius: 5.3

Gravity: 27.82 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.13 AU - 11.07 AU

Year: 18008 Days

Day: 18.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,138,838 km

• M1: 65,973 km (0.041 R)
• M2: 320,887 km (0.074 R)
• M3: 685,607 km (0.117 R)
• M4: 1,027,289 km (0.077 R)
• M5: 1,265,448 km (0.061 R)
• M6: 1,948,213 km (0.073 R)
• M7: 2,251,298 km (0.077 R)
• M8: 2,425,580 km (0.104 R)
• M9: 2,608,688 km (0.115 R)
• M10: 3,269,162 km (0.101 R)
• M11: 3,909,890 km (0.082 R)
• M12: 4,293,010 km (0.062 R)
• M13: 4,459,812 km (0.09 R)
• M14: 4,771,125 km (0.085 R)
• M15: 6,505,712 km (0.119 R)
• M16: 7,854,935 km (0.054 R)
• M17: 9,492,733 km (0.117 R)
• M18: 10,421,137 km (0.099 R)
• M19: 11,600,567 km (0.089 R)
• M20: 14,295,273 km (0.1 R)
• M21: 16,226,133 km (0.119 R)
• M22: 20,220,995 km (0.075 R)
• M23: 22,145,422 km (0.113 R)
• M24: 22,948,164 km (0.109 R)
• M25: 24,611,692 km (0.082 R)
• M26: 25,039,841 km (0.095 R)
• M27: 25,472,927 km (0.087 R)
• M28: 29,597,939 km (0.042 R)
• M29: 30,082,037 km (0.064 R)
• M30: 33,619,877 km (0.12 R)
• M31: 38,995,527 km (0.072 R)
• M32: 54,425,800 km (0.059 R)
• M33: 58,691,134 km (0.092 R)
• M34: 66,630,293 km (0.108 R)
• M35: 67,670,298 km (0.094 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 10,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit