🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.5

Radius: 14.2

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.4 AU - 0.64 AU

Year: 250 Days

Day: 10.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,781,973 km

• M1: 176,675 km (0.113 R)
• M2: 656,136 km (0.054 R)
• M3: 1,098,647 km (0.09 R)
• M4: 1,633,758 km (0.106 R)
• M5: 2,235,441 km (0.089 R)
• M6: 2,729,563 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271

Radius: 12

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.14 AU - 1.48 AU

Year: 1000 Days

Day: 12.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,781,973 km

• M1: 149,299 km (0.059 R)
• M2: 830,867 km (0.106 R)
• M3: 1,243,009 km (0.092 R)
• M4: 2,496,040 km (0.088 R)
• M5: 3,854,988 km (0.106 R)
• M6: 5,144,521 km (0.085 R)
• M7: 5,730,646 km (0.079 R)
• M8: 6,994,448 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.2

Radius: 9.4

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.24 AU - 2.42 AU

Year: 2372 Days

Day: 12 Hours

Environment

Temp: -203 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,781,973 km

• M1: 118,182 km (0.041 R)
• M2: 422,913 km (0.091 R)
• M3: 773,421 km (0.115 R)
• M4: 2,230,953 km (0.095 R)
• M5: 3,136,170 km (0.076 R)
• M6: 3,639,267 km (0.084 R)
• M7: 4,948,698 km (0.089 R)
• M8: 5,996,481 km (0.037 R)
• M9: 7,478,996 km (0.068 R)
• M10: 8,763,892 km (0.111 R)
• M11: 9,474,632 km (0.057 R)
• M12: 10,732,450 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.3

Radius: 9.7

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.08 AU - 3.84 AU

Year: 4292 Days

Day: 8.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,781,973 km

• M1: 120,576 km (0.107 R)
• M2: 493,823 km (0.03 R)
• M3: 862,133 km (0.036 R)
• M4: 1,215,184 km (0.116 R)
• M5: 1,594,863 km (0.111 R)
• M6: 2,501,426 km (0.101 R)
• M7: 2,923,591 km (0.095 R)
• M8: 3,295,192 km (0.099 R)
• M9: 5,679,184 km (0.075 R)
• M10: 7,306,809 km (0.082 R)
• M11: 8,428,494 km (0.101 R)
• M12: 8,992,178 km (0.097 R)
• M13: 11,547,011 km (0.079 R)
• M14: 12,195,518 km (0.072 R)
• M15: 12,819,042 km (0.082 R)
• M16: 13,666,513 km (0.116 R)
• M17: 14,497,679 km (0.087 R)
• M18: 15,307,153 km (0.1 R)
• M19: 15,919,757 km (0.104 R)
• M20: 16,957,367 km (0.103 R)
• M21: 20,340,673 km (0.026 R)
• M22: 22,615,907 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 738.4

Radius: 7.3

Gravity: 13.86 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.01 AU - 9.49 AU

Year: 15802 Days

Day: 25 Hours

Environment

Temp: -242 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 37,781,973 km

• M1: 92,751 km (0.099 R)
• M2: 384,467 km (0.097 R)
• M3: 656,136 km (0.052 R)
• M4: 900,878 km (0.054 R)
• M5: 1,445,564 km (0.117 R)
• M6: 1,870,721 km (0.109 R)
• M7: 2,172,011 km (0.049 R)
• M8: 2,921,198 km (0.059 R)
• M9: 3,630,292 km (0.097 R)
• M10: 4,781,447 km (0.07 R)
• M11: 6,239,727 km (0.038 R)
• M12: 6,916,059 km (0.074 R)
• M13: 7,781,483 km (0.045 R)
• M14: 9,185,758 km (0.08 R)
• M15: 10,575,672 km (0.103 R)
• M16: 12,815,601 km (0.115 R)
• M17: 14,046,193 km (0.079 R)
• M18: 16,269,217 km (0.107 R)
• M19: 17,875,150 km (0.079 R)
• M20: 18,208,604 km (0.091 R)
• M21: 19,849,543 km (0.104 R)
• M22: 20,660,214 km (0.104 R)
• M23: 20,935,324 km (0.086 R)
• M24: 25,360,429 km (0.03 R)
• M25: 32,547,710 km (0.044 R)
• M26: 34,310,720 km (0.094 R)
• M27: 35,085,488 km (0.097 R)
• M28: 41,854,941 km (0.042 R)
• M29: 44,545,459 km (0.074 R)
• M30: 47,348,923 km (0.098 R)
• M31: 53,132,975 km (0.099 R)
• M32: 54,343,670 km (0.1 R)
• M33: 56,283,207 km (0.111 R)
• M34: 65,091,380 km (0.081 R)
• M35: 66,676,669 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.1

Radius: 5.9

Gravity: 25.57 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.08 AU - 10.42 AU

Year: 20302 Days

Day: 20 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 37,781,973 km

• M1: 73,303 km (0.113 R)
• M2: 356,193 km (0.039 R)
• M3: 586,872 km (0.057 R)
• M4: 860,487 km (0.086 R)
• M5: 1,079,648 km (0.108 R)
• M6: 1,495,680 km (0.087 R)
• M7: 1,912,758 km (0.048 R)
• M8: 2,844,903 km (0.106 R)
• M9: 3,030,105 km (0.112 R)
• M10: 3,454,664 km (0.03 R)
• M11: 4,352,101 km (0.111 R)
• M12: 4,634,841 km (0.076 R)
• M13: 6,281,166 km (0.054 R)
• M14: 8,389,748 km (0.098 R)
• M15: 10,993,200 km (0.087 R)
• M16: 13,048,674 km (0.118 R)
• M17: 21,325,625 km (0.045 R)
• M18: 21,833,211 km (0.072 R)
• M19: 22,348,875 km (0.099 R)
• M20: 28,936,866 km (0.111 R)
• M21: 29,684,257 km (0.05 R)
• M22: 31,478,384 km (0.109 R)
• M23: 34,441,918 km (0.083 R)
• M24: 36,421,397 km (0.112 R)
• M25: 38,925,665 km (0.101 R)
• M26: 39,379,246 km (0.073 R)
• M27: 40,142,943 km (0.071 R)
• M28: 46,272,716 km (0.093 R)
• M29: 47,638,096 km (0.081 R)
• M30: 52,077,861 km (0.116 R)
• M31: 60,144,029 km (0.032 R)
• M32: 60,953,054 km (0.047 R)
• M33: 62,180,205 km (0.104 R)
• M34: 66,604,712 km (0.081 R)
• M35: 71,234,616 km (0.1 R)
• M36: 73,974,202 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.1

Radius: 3.2

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.31 AU - 13.03 AU

Year: 23242 Days

Day: 16.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,781,973 km

• M1: 39,793 km (0.118 R)
• M2: 231,877 km (0.091 R)
• M3: 341,682 km (0.074 R)
• M4: 816,206 km (0.103 R)
• M5: 1,186,012 km (0.113 R)
• M6: 1,875,060 km (0.115 R)
• M7: 1,982,770 km (0.06 R)
• M8: 2,679,298 km (0.116 R)
• M9: 3,456,160 km (0.096 R)
• M10: 4,187,693 km (0.054 R)
• M11: 4,562,137 km (0.064 R)
• M12: 6,703,481 km (0.085 R)
• M13: 11,595,780 km (0.066 R)
• M14: 15,898,663 km (0.045 R)
• M15: 20,546,520 km (0.12 R)
• M16: 20,849,605 km (0.067 R)
• M17: 21,078,789 km (0.085 R)
• M18: 21,855,202 km (0.07 R)
• M19: 22,170,853 km (0.098 R)
• M20: 25,064,974 km (0.099 R)
• M21: 27,370,875 km (0.063 R)
• M22: 28,387,542 km (0.063 R)
• M23: 34,913,899 km (0.111 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 13,041 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit