🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86

Radius: 14.8

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.79 AU - 1.07 AU

Year: 630 Days

Day: 8 Hours

Environment

Temp: -164 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,085,437 km

• M1: 184,155 km (0.104 R)
• M2: 965,505 km (0.12 R)
• M3: 1,446,312 km (0.057 R)
• M4: 1,947,465 km (0.11 R)
• M5: 2,591,035 km (0.054 R)
• M6: 3,188,978 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.5

Radius: 8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.8 AU - 1.22 AU

Year: 713 Days

Day: 9.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,085,437 km

• M1: 99,483 km (0.1 R)
• M2: 376,239 km (0.103 R)
• M3: 627,563 km (0.052 R)
• M4: 1,270,834 km (0.096 R)
• M5: 1,561,503 km (0.085 R)
• M6: 2,003,115 km (0.098 R)
• M7: 2,879,310 km (0.096 R)
• M8: 3,685,792 km (0.05 R)
• M9: 4,219,258 km (0.111 R)
• M10: 4,732,529 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.6

Radius: 14.3

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.19 AU - 1.27 AU

Year: 959 Days

Day: 7.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,085,437 km

• M1: 178,321 km (0.065 R)
• M2: 860,786 km (0.107 R)
• M3: 1,445,415 km (0.107 R)
• M4: 2,169,020 km (0.065 R)
• M5: 2,709,367 km (0.114 R)
• M6: 3,552,800 km (0.039 R)
• M7: 4,114,839 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.5

Radius: 9.9

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.34 AU - 2.22 AU

Year: 1669 Days

Day: 14.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,085,437 km

• M1: 123,119 km (0.09 R)
• M2: 458,667 km (0.112 R)
• M3: 933,940 km (0.078 R)
• M4: 1,516,474 km (0.083 R)
• M5: 2,152,265 km (0.035 R)
• M6: 2,649,977 km (0.077 R)
• M7: 3,876,679 km (0.106 R)
• M8: 4,353,148 km (0.067 R)
• M9: 5,516,870 km (0.109 R)
• M10: 5,874,110 km (0.104 R)
• M11: 6,323,352 km (0.027 R)
• M12: 6,741,927 km (0.061 R)
• M13: 7,347,350 km (0.042 R)
• M14: 9,020,303 km (0.05 R)
• M15: 9,721,468 km (0.109 R)
• M16: 10,032,931 km (0.119 R)
• M17: 10,749,056 km (0.071 R)
• M18: 11,346,101 km (0.103 R)
• M19: 14,045,744 km (0.067 R)
• M20: 14,804,953 km (0.076 R)
• M21: 15,171,618 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.2

Radius: 9.6

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.33 AU - 3.47 AU

Year: 4407 Days

Day: 13.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,085,437 km

• M1: 119,678 km (0.11 R)
• M2: 421,716 km (0.116 R)
• M3: 1,887,626 km (0.06 R)
• M4: 2,377,858 km (0.071 R)
• M5: 2,687,675 km (0.067 R)
• M6: 3,155,767 km (0.061 R)
• M7: 4,518,304 km (0.116 R)
• M8: 5,736,031 km (0.089 R)
• M9: 7,706,684 km (0.089 R)
• M10: 9,555,115 km (0.074 R)
• M11: 10,822,808 km (0.084 R)
• M12: 13,179,722 km (0.117 R)
• M13: 13,792,624 km (0.116 R)
• M14: 14,371,119 km (0.086 R)
• M15: 14,965,621 km (0.058 R)
• M16: 15,296,681 km (0.079 R)
• M17: 16,030,908 km (0.076 R)
• M18: 16,494,362 km (0.097 R)
• M19: 17,146,160 km (0.095 R)
• M20: 19,595,975 km (0.075 R)
• M21: 20,327,059 km (0.084 R)
• M22: 21,283,738 km (0.071 R)
• M23: 21,985,352 km (0.052 R)
• M24: 23,213,251 km (0.093 R)
• M25: 24,107,098 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 836

Radius: 3

Gravity: 92.89 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 6 AU - 6.34 AU

Year: 10773 Days

Day: 21.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,085,437 km

• M1: 38,297 km (0.07 R)
• M2: 241,601 km (0.081 R)
• M3: 641,924 km (0.041 R)
• M4: 809,175 km (0.105 R)
• M5: 961,166 km (0.054 R)
• M6: 1,131,857 km (0.118 R)
• M7: 2,610,333 km (0.102 R)
• M8: 2,851,485 km (0.097 R)
• M9: 3,717,806 km (0.077 R)
• M10: 3,909,890 km (0.094 R)
• M11: 4,051,260 km (0.114 R)
• M12: 4,284,483 km (0.11 R)
• M13: 6,212,351 km (0.038 R)
• M14: 6,601,455 km (0.083 R)
• M15: 7,601,068 km (0.106 R)
• M16: 8,182,704 km (0.075 R)
• M17: 11,890,637 km (0.07 R)
• M18: 13,233,577 km (0.118 R)
• M19: 13,876,100 km (0.12 R)
• M20: 17,403,319 km (0.117 R)
• M21: 20,536,796 km (0.117 R)
• M22: 27,890,429 km (0.119 R)
• M23: 28,731,318 km (0.101 R)
• M24: 29,805,880 km (0.111 R)
• M25: 31,130,419 km (0.059 R)
• M26: 31,242,468 km (0.045 R)
• M27: 31,467,463 km (0.064 R)
• M28: 32,956,710 km (0.113 R)
• M29: 33,896,035 km (0.078 R)
• M30: 34,133,597 km (0.104 R)
• M31: 35,951,211 km (0.105 R)
• M32: 36,571,144 km (0.025 R)
• M33: 41,652,984 km (0.101 R)
• M34: 43,446,064 km (0.053 R)
• M35: 43,726,410 km (0.116 R)
• M36: 45,002,929 km (0.034 R)
• M37: 47,185,412 km (0.057 R)
• M38: 48,377,707 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.8

Radius: 6.4

Gravity: 18.23 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.48 AU - 10.44 AU

Year: 17297 Days

Day: 23 Hours

Environment

Temp: -228 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,085,437 km

• M1: 79,586 km (0.032 R)
• M2: 416,331 km (0.116 R)
• M3: 825,331 km (0.101 R)
• M4: 1,313,320 km (0.077 R)
• M5: 1,884,036 km (0.058 R)
• M6: 2,134,163 km (0.101 R)
• M7: 2,341,506 km (0.108 R)
• M8: 2,870,334 km (0.107 R)
• M9: 3,072,142 km (0.105 R)
• M10: 3,504,031 km (0.106 R)
• M11: 5,964,617 km (0.098 R)
• M12: 7,311,297 km (0.091 R)
• M13: 7,737,651 km (0.113 R)
• M14: 8,230,426 km (0.061 R)
• M15: 9,498,567 km (0.095 R)
• M16: 10,354,417 km (0.098 R)
• M17: 10,831,185 km (0.094 R)
• M18: 11,573,938 km (0.032 R)
• M19: 12,218,256 km (0.094 R)
• M20: 14,368,127 km (0.069 R)
• M21: 21,917,285 km (0.103 R)
• M22: 28,273,549 km (0.061 R)
• M23: 32,118,663 km (0.059 R)
• M24: 33,775,609 km (0.111 R)
• M25: 35,221,323 km (0.107 R)
• M26: 36,707,877 km (0.085 R)
• M27: 42,165,057 km (0.118 R)
• M28: 50,474,770 km (0.069 R)
• M29: 55,370,959 km (0.102 R)
• M30: 56,459,882 km (0.117 R)
• M31: 58,119,820 km (0.077 R)
• M32: 60,002,060 km (0.099 R)
• M33: 68,767,897 km (0.088 R)
• M34: 69,604,748 km (0.117 R)
• M35: 70,872,590 km (0.079 R)
• M36: 71,085,467 km (0.114 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: 359 - 17,597 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit