🌌 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: 970.9

Radius: 13.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.55 AU - 0.61 AU

Year: 310 Days

Day: 14.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,475,668 km

• M1: 169,195 km (0.086 R)
• M2: 644,767 km (0.068 R)
• M3: 1,194,838 km (0.08 R)
• M4: 1,752,988 km (0.087 R)
• M5: 2,255,936 km (0.096 R)
• M6: 2,776,237 km (0.068 R)
• M7: 3,456,160 km (0.058 R)
• M8: 4,626,464 km (0.099 R)
• M9: 5,075,706 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.1

Radius: 10.1

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.14 AU - 2.28 AU

Year: 2309 Days

Day: 13.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,475,668 km

• M1: 125,662 km (0.119 R)
• M2: 487,091 km (0.066 R)
• M3: 1,728,005 km (0.072 R)
• M4: 2,202,230 km (0.092 R)
• M5: 2,731,208 km (0.099 R)
• M6: 4,043,780 km (0.088 R)
• M7: 5,024,693 km (0.113 R)
• M8: 5,409,309 km (0.084 R)
• M9: 7,329,697 km (0.115 R)
• M10: 7,985,086 km (0.111 R)
• M11: 8,443,453 km (0.057 R)
• M12: 8,850,210 km (0.111 R)
• M13: 9,593,711 km (0.079 R)
• M14: 9,962,021 km (0.09 R)
• M15: 10,493,543 km (0.08 R)
• M16: 12,504,437 km (0.055 R)
• M17: 17,112,201 km (0.103 R)
• M18: 17,875,150 km (0.094 R)
• M19: 18,433,898 km (0.092 R)
• M20: 19,235,593 km (0.041 R)
• M21: 19,645,043 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.4

Radius: 8.5

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.16 AU - 3.02 AU

Year: 2930 Days

Day: 5.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 42,475,668 km

• M1: 111,750 km (0.077 R)
• M2: 387,907 km (0.109 R)
• M3: 747,391 km (0.1 R)
• M4: 1,022,352 km (0.07 R)
• M5: 1,456,335 km (0.08 R)
• M6: 2,181,586 km (0.107 R)
• M7: 3,042,073 km (0.06 R)
• M8: 3,473,812 km (0.117 R)
• M9: 3,744,136 km (0.12 R)
• M10: 4,305,576 km (0.117 R)
• M11: 4,827,224 km (0.115 R)
• M12: 5,115,649 km (0.11 R)
• M13: 6,051,234 km (0.056 R)
• M14: 6,588,739 km (0.117 R)
• M15: 8,706,596 km (0.104 R)
• M16: 9,653,251 km (0.11 R)
• M17: 11,621,660 km (0.062 R)
• M18: 12,632,044 km (0.11 R)
• M19: 14,378,599 km (0.085 R)
• M20: 15,855,729 km (0.086 R)
• M21: 16,387,848 km (0.063 R)
• M22: 16,712,775 km (0.115 R)
• M23: 17,097,241 km (0.067 R)
• M24: 17,543,941 km (0.11 R)
• M25: 19,529,404 km (0.09 R)
• M26: 19,833,536 km (0.09 R)
• M27: 20,828,063 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.5

Radius: 12.1

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.05 AU - 3.23 AU

Year: 3015 Days

Day: 9 Hours

Environment

Temp: -211 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,475,668 km

• M1: 150,495 km (0.049 R)
• M2: 540,048 km (0.118 R)
• M3: 925,562 km (0.088 R)
• M4: 1,425,369 km (0.114 R)
• M5: 2,090,780 km (0.113 R)
• M6: 2,871,830 km (0.106 R)
• M7: 3,818,486 km (0.076 R)
• M8: 5,108,169 km (0.066 R)
• M9: 5,510,587 km (0.115 R)
• M10: 6,154,157 km (0.098 R)
• M11: 6,610,730 km (0.115 R)
• M12: 9,060,395 km (0.096 R)
• M13: 11,288,506 km (0.093 R)
• M14: 12,688,293 km (0.078 R)
• M15: 13,860,093 km (0.084 R)
• M16: 14,647,128 km (0.074 R)
• M17: 15,102,653 km (0.089 R)
• M18: 18,038,212 km (0.096 R)
• M19: 19,276,284 km (0.106 R)
• M20: 21,920,875 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.2

Radius: 4

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.04 AU - 10.14 AU

Year: 17697 Days

Day: 16.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,475,668 km

• M1: 80,633 km (0.115 R)
• M2: 207,791 km (0.118 R)
• M3: 364,271 km (0.097 R)
• M4: 520,301 km (0.073 R)
• M5: 689,048 km (0.113 R)
• M6: 1,616,405 km (0.118 R)
• M7: 2,414,659 km (0.11 R)
• M8: 3,060,174 km (0.11 R)
• M9: 4,771,125 km (0.096 R)
• M10: 5,416,939 km (0.054 R)
• M11: 6,188,864 km (0.071 R)
• M12: 9,122,478 km (0.059 R)
• M13: 10,810,541 km (0.041 R)
• M14: 20,338,279 km (0.102 R)
• M15: 24,927,344 km (0.105 R)
• M16: 25,738,463 km (0.075 R)
• M17: 27,795,135 km (0.118 R)
• M18: 30,567,632 km (0.071 R)
• M19: 33,519,049 km (0.11 R)
• M20: 34,285,588 km (0.102 R)
• M21: 35,739,829 km (0.1 R)
• M22: 39,493,688 km (0.066 R)
• M23: 41,968,635 km (0.107 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 10,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit