🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.7

Radius: 8.8

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.59 AU - 0.61 AU

Year: 327 Days

Day: 5.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,933,336 km

• M1: 110,254 km (0.057 R)
• M2: 394,490 km (0.095 R)
• M3: 698,772 km (0.053 R)
• M4: 1,183,020 km (0.05 R)
• M5: 1,508,545 km (0.111 R)
• M6: 1,988,305 km (0.051 R)
• M7: 2,472,554 km (0.091 R)
• M8: 2,844,604 km (0.087 R)
• M9: 3,356,228 km (0.082 R)
• M10: 4,190,386 km (0.087 R)
• M11: 4,721,309 km (0.113 R)
• M12: 5,140,781 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.9

Radius: 12.5

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.71 AU - 0.93 AU

Year: 522 Days

Day: 5.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,933,336 km

• M1: 155,432 km (0.104 R)
• M2: 686,654 km (0.114 R)
• M3: 1,334,114 km (0.116 R)
• M4: 1,753,137 km (0.096 R)
• M5: 2,465,074 km (0.114 R)
• M6: 3,514,054 km (0.11 R)
• M7: 4,155,081 km (0.088 R)
• M8: 5,219,470 km (0.054 R)
• M9: 6,056,021 km (0.118 R)
• M10: 6,536,230 km (0.107 R)
• M11: 7,041,871 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.6

Radius: 15

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.4 AU - 2.4 AU

Year: 2614 Days

Day: 7.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,933,336 km

• M1: 187,147 km (0.034 R)
• M2: 774,917 km (0.114 R)
• M3: 1,319,902 km (0.109 R)
• M4: 2,025,406 km (0.057 R)
• M5: 2,496,489 km (0.076 R)
• M6: 3,143,350 km (0.117 R)
• M7: 3,920,811 km (0.079 R)
• M8: 4,619,433 km (0.043 R)
• M9: 5,276,317 km (0.044 R)
• M10: 5,994,985 km (0.111 R)
• M11: 6,778,429 km (0.057 R)
• M12: 8,346,963 km (0.111 R)
• M13: 9,767,395 km (0.09 R)
• M14: 11,097,020 km (0.076 R)
• M15: 11,976,806 km (0.117 R)
• M16: 13,084,129 km (0.112 R)
• M17: 14,258,771 km (0.106 R)
• M18: 14,896,956 km (0.059 R)
• M19: 15,811,747 km (0.098 R)
• M20: 17,254,020 km (0.09 R)
• M21: 20,337,980 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.4

Radius: 14.9

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.45 AU - 3.63 AU

Year: 3726 Days

Day: 8.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,933,336 km

• M1: 186,249 km (0.084 R)
• M2: 663,915 km (0.043 R)
• M3: 1,186,461 km (0.089 R)
• M4: 1,754,035 km (0.1 R)
• M5: 2,287,202 km (0.082 R)
• M6: 3,064,812 km (0.05 R)
• M7: 3,554,745 km (0.087 R)
• M8: 4,203,999 km (0.112 R)
• M9: 5,126,420 km (0.075 R)
• M10: 7,031,100 km (0.076 R)
• M11: 7,859,423 km (0.091 R)
• M12: 10,698,641 km (0.117 R)
• M13: 11,280,278 km (0.066 R)
• M14: 13,247,191 km (0.105 R)
• M15: 14,361,994 km (0.112 R)
• M16: 16,558,091 km (0.096 R)
• M17: 17,967,303 km (0.086 R)
• M18: 18,493,588 km (0.069 R)
• M19: 19,516,089 km (0.097 R)
• M20: 21,542,692 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.9

Radius: 10.6

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.84 AU - 3.5 AU

Year: 3967 Days

Day: 6.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 56.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 85,933,336 km

• M1: 131,796 km (0.098 R)
• M2: 487,240 km (0.092 R)
• M3: 1,108,520 km (0.04 R)
• M4: 1,721,572 km (0.104 R)
• M5: 2,487,513 km (0.118 R)
• M6: 3,524,526 km (0.114 R)
• M7: 4,430,191 km (0.086 R)
• M8: 4,780,400 km (0.113 R)
• M9: 5,379,539 km (0.097 R)
• M10: 5,861,245 km (0.091 R)
• M11: 8,324,374 km (0.091 R)
• M12: 9,843,091 km (0.089 R)
• M13: 10,730,356 km (0.098 R)
• M14: 11,365,249 km (0.084 R)
• M15: 12,250,420 km (0.11 R)
• M16: 13,421,023 km (0.118 R)
• M17: 13,761,658 km (0.118 R)
• M18: 15,340,663 km (0.028 R)
• M19: 17,322,087 km (0.097 R)
• M20: 19,099,160 km (0.118 R)
• M21: 19,842,811 km (0.047 R)
• M22: 21,059,790 km (0.075 R)
• M23: 22,325,837 km (0.104 R)
• M24: 23,712,459 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983

Radius: 9

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.85 AU - 5.53 AU

Year: 8311 Days

Day: 8.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 85,933,336 km

• M1: 175,329 km (0.077 R)
• M2: 746,643 km (0.109 R)
• M3: 1,040,004 km (0.082 R)
• M4: 1,532,331 km (0.091 R)
• M5: 2,355,119 km (0.113 R)
• M6: 3,669,785 km (0.069 R)
• M7: 5,093,957 km (0.109 R)
• M8: 5,417,986 km (0.091 R)
• M9: 6,893,919 km (0.085 R)
• M10: 7,536,741 km (0.095 R)
• M11: 9,176,483 km (0.096 R)
• M12: 9,706,658 km (0.101 R)
• M13: 12,611,101 km (0.097 R)
• M14: 14,452,501 km (0.047 R)
• M15: 16,118,423 km (0.065 R)
• M16: 19,433,212 km (0.053 R)
• M17: 21,542,243 km (0.106 R)
• M18: 22,651,960 km (0.11 R)
• M19: 23,620,307 km (0.096 R)
• M20: 24,250,862 km (0.099 R)
• M21: 24,616,030 km (0.062 R)
• M22: 27,870,831 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.5

Radius: 4

Gravity: 37.97 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 7.79 AU - 9.59 AU

Year: 18007 Days

Day: 21 Hours

Environment

Temp: -234 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,933,336 km

• M1: 53,855 km (0.109 R)
• M2: 284,236 km (0.072 R)
• M3: 474,076 km (0.071 R)
• M4: 815,308 km (0.108 R)
• M5: 1,405,322 km (0.065 R)
• M6: 1,561,054 km (0.075 R)
• M7: 2,138,352 km (0.118 R)
• M8: 2,610,483 km (0.098 R)
• M9: 2,750,506 km (0.119 R)
• M10: 3,787,220 km (0.092 R)
• M11: 3,936,668 km (0.109 R)
• M12: 5,812,326 km (0.075 R)
• M13: 6,423,433 km (0.082 R)
• M14: 6,593,377 km (0.117 R)
• M15: 7,677,064 km (0.05 R)
• M16: 11,258,736 km (0.047 R)
• M17: 12,140,017 km (0.111 R)
• M18: 13,202,311 km (0.108 R)
• M19: 14,762,019 km (0.087 R)
• M20: 14,909,672 km (0.097 R)
• M21: 23,713,955 km (0.114 R)
• M22: 25,685,057 km (0.075 R)
• M23: 28,669,983 km (0.074 R)
• M24: 29,949,494 km (0.09 R)
• M25: 32,497,145 km (0.108 R)
• M26: 32,621,910 km (0.053 R)
• M27: 35,054,371 km (0.111 R)
• M28: 37,330,653 km (0.097 R)
• M29: 38,995,527 km (0.097 R)
• M30: 39,136,598 km (0.096 R)
• M31: 42,027,128 km (0.102 R)
• M32: 45,367,649 km (0.095 R)
• M33: 45,836,488 km (0.11 R)
• M34: 48,229,007 km (0.097 R)
• M35: 53,957,558 km (0.113 R)
• M36: 54,483,844 km (0.118 R)
• M37: 60,688,715 km (0.047 R)

Asteroid Belt

Center: 9.29 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.3

Radius: 7.4

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.08 AU - 10.68 AU

Year: 21829 Days

Day: 21.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 85,933,336 km

• M1: 92,900 km (0.107 R)
• M2: 430,543 km (0.104 R)
• M3: 799,601 km (0.036 R)
• M4: 1,163,871 km (0.099 R)
• M5: 1,498,671 km (0.08 R)
• M6: 2,957,999 km (0.068 R)
• M7: 4,440,214 km (0.1 R)
• M8: 4,728,340 km (0.107 R)
• M9: 6,139,048 km (0.112 R)
• M10: 7,255,796 km (0.028 R)
• M11: 7,810,505 km (0.108 R)
• M12: 11,817,185 km (0.067 R)
• M13: 13,987,850 km (0.039 R)
• M14: 14,766,955 km (0.081 R)
• M15: 20,749,075 km (0.096 R)
• M16: 21,864,477 km (0.111 R)
• M17: 23,019,372 km (0.104 R)
• M18: 27,683,086 km (0.064 R)
• M19: 31,075,966 km (0.116 R)
• M20: 33,212,074 km (0.105 R)
• M21: 34,595,704 km (0.096 R)
• M22: 39,895,359 km (0.053 R)
• M23: 41,458,058 km (0.059 R)
• M24: 46,732,879 km (0.101 R)
• M25: 47,076,655 km (0.074 R)
• M26: 52,253,040 km (0.055 R)
• M27: 52,995,644 km (0.115 R)
• M28: 54,501,646 km (0.087 R)
• M29: 60,403,731 km (0.081 R)
• M30: 62,254,107 km (0.101 R)
• M31: 63,298,150 km (0.116 R)
• M32: 64,141,882 km (0.118 R)
• M33: 64,993,094 km (0.082 R)
• M34: 70,258,790 km (0.115 R)
• M35: 71,390,497 km (0.095 R)
• M36: 78,194,957 km (0.076 R)
• M37: 78,679,654 km (0.074 R)
• M38: 81,132,760 km (0.075 R)
• M39: 82,378,311 km (0.095 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: 533 - 13,606 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit