🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.4

Radius: 12

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.51 AU - 0.59 AU

Year: 282 Days

Day: 5.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,648,041 km

• M1: 149,299 km (0.092 R)
• M2: 578,196 km (0.074 R)
• M3: 1,430,305 km (0.096 R)
• M4: 2,135,210 km (0.087 R)
• M5: 2,604,050 km (0.105 R)
• M6: 3,020,231 km (0.104 R)
• M7: 3,648,692 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.6

Radius: 10.6

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.7 AU - 0.72 AU

Year: 413 Days

Day: 7.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,648,041 km

• M1: 131,796 km (0.068 R)
• M2: 485,146 km (0.116 R)
• M3: 865,274 km (0.071 R)
• M4: 1,206,507 km (0.113 R)
• M5: 1,579,305 km (0.112 R)
• M6: 2,151,217 km (0.093 R)
• M7: 2,669,424 km (0.094 R)
• M8: 3,685,942 km (0.091 R)
• M9: 4,021,191 km (0.118 R)
• M10: 4,855,049 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.9

Radius: 11.1

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.82 AU - 1.16 AU

Year: 680 Days

Day: 7.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,648,041 km

• M1: 139,724 km (0.085 R)
• M2: 551,717 km (0.114 R)
• M3: 958,474 km (0.067 R)
• M4: 1,369,269 km (0.081 R)
• M5: 1,752,240 km (0.082 R)
• M6: 2,719,240 km (0.088 R)
• M7: 3,284,571 km (0.089 R)
• M8: 3,655,125 km (0.086 R)
• M9: 4,285,979 km (0.12 R)
• M10: 4,698,570 km (0.056 R)
• M11: 5,221,714 km (0.096 R)
• M12: 6,482,973 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.9

Radius: 13.3

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.14 AU - 1.14 AU

Year: 840 Days

Day: 7.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,648,041 km

• M1: 165,455 km (0.037 R)
• M2: 674,387 km (0.111 R)
• M3: 1,420,731 km (0.116 R)
• M4: 1,887,476 km (0.098 R)
• M5: 2,390,724 km (0.083 R)
• M6: 2,832,037 km (0.095 R)
• M7: 3,473,214 km (0.067 R)
• M8: 4,029,867 km (0.106 R)
• M9: 4,570,963 km (0.076 R)
• M10: 5,112,208 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.4

Radius: 12.8

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.27 AU - 3.07 AU

Year: 3011 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 100.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,648,041 km

• M1: 161,865 km (0.117 R)
• M2: 595,848 km (0.071 R)
• M3: 1,442,273 km (0.069 R)
• M4: 2,167,673 km (0.082 R)
• M5: 4,347,015 km (0.096 R)
• M6: 4,841,885 km (0.083 R)
• M7: 5,249,838 km (0.098 R)
• M8: 6,997,889 km (0.075 R)
• M9: 8,612,349 km (0.077 R)
• M10: 9,106,022 km (0.044 R)
• M11: 10,462,875 km (0.115 R)
• M12: 11,523,823 km (0.081 R)
• M13: 11,993,710 km (0.093 R)
• M14: 12,565,473 km (0.037 R)
• M15: 16,280,437 km (0.116 R)
• M16: 17,929,903 km (0.115 R)
• M17: 18,330,227 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393

Radius: 13.4

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.53 AU - 5.69 AU

Year: 7973 Days

Day: 6.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,648,041 km

• M1: 167,400 km (0.033 R)
• M2: 731,683 km (0.073 R)
• M3: 1,358,349 km (0.043 R)
• M4: 1,935,348 km (0.051 R)
• M5: 2,602,554 km (0.092 R)
• M6: 3,750,419 km (0.118 R)
• M7: 4,200,858 km (0.104 R)
• M8: 7,024,817 km (0.116 R)
• M9: 8,487,136 km (0.058 R)
• M10: 10,462,875 km (0.062 R)
• M11: 13,207,996 km (0.047 R)
• M12: 13,809,679 km (0.102 R)
• M13: 14,602,099 km (0.116 R)
• M14: 15,186,428 km (0.088 R)
• M15: 15,908,238 km (0.108 R)
• M16: 16,589,955 km (0.055 R)
• M17: 17,879,040 km (0.098 R)
• M18: 18,957,790 km (0.077 R)
• M19: 19,513,097 km (0.11 R)
• M20: 24,111,736 km (0.03 R)
• M21: 24,846,411 km (0.058 R)
• M22: 25,344,273 km (0.047 R)
• M23: 27,668,425 km (0.048 R)
• M24: 28,745,530 km (0.113 R)
• M25: 29,664,510 km (0.119 R)
• M26: 30,319,300 km (0.06 R)
• M27: 32,047,305 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.4

Radius: 5.6

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.33 AU - 7.99 AU

Year: 11864 Days

Day: 23.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,648,041 km

• M1: 69,862 km (0.093 R)
• M2: 269,276 km (0.064 R)
• M3: 476,768 km (0.108 R)
• M4: 717,322 km (0.115 R)
• M5: 892,351 km (0.095 R)
• M6: 1,231,490 km (0.119 R)
• M7: 1,449,603 km (0.053 R)
• M8: 2,102,448 km (0.067 R)
• M9: 2,450,712 km (0.087 R)
• M10: 3,283,524 km (0.107 R)
• M11: 4,823,335 km (0.065 R)
• M12: 5,105,626 km (0.085 R)
• M13: 7,253,702 km (0.102 R)
• M14: 10,166,372 km (0.112 R)
• M15: 10,772,991 km (0.119 R)
• M16: 11,109,437 km (0.109 R)
• M17: 11,803,272 km (0.09 R)
• M18: 13,222,507 km (0.115 R)
• M19: 13,775,870 km (0.089 R)
• M20: 16,712,476 km (0.084 R)
• M21: 17,033,812 km (0.098 R)
• M22: 19,188,320 km (0.06 R)
• M23: 25,187,644 km (0.046 R)
• M24: 29,532,864 km (0.039 R)
• M25: 30,477,125 km (0.06 R)
• M26: 31,734,496 km (0.062 R)
• M27: 32,625,052 km (0.063 R)
• M28: 34,455,830 km (0.083 R)
• M29: 34,871,862 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.8

Radius: 3.8

Gravity: 50.33 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.18 AU - 8.34 AU

Year: 13503 Days

Day: 17.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 63,648,041 km

• M1: 55,202 km (0.119 R)
• M2: 187,596 km (0.095 R)
• M3: 320,289 km (0.064 R)
• M4: 476,320 km (0.045 R)
• M5: 700,118 km (0.078 R)
• M6: 861,983 km (0.101 R)
• M7: 1,248,245 km (0.069 R)
• M8: 1,842,298 km (0.11 R)
• M9: 1,966,314 km (0.068 R)
• M10: 2,231,103 km (0.071 R)
• M11: 2,808,401 km (0.094 R)
• M12: 2,997,193 km (0.075 R)
• M13: 3,144,248 km (0.06 R)
• M14: 3,479,497 km (0.109 R)
• M15: 3,866,656 km (0.099 R)
• M16: 4,070,708 km (0.067 R)
• M17: 4,468,638 km (0.112 R)
• M18: 5,485,305 km (0.111 R)
• M19: 5,856,009 km (0.067 R)
• M20: 7,551,701 km (0.07 R)
• M21: 8,104,016 km (0.077 R)
• M22: 8,535,606 km (0.093 R)
• M23: 10,359,952 km (0.093 R)
• M24: 11,333,385 km (0.1 R)
• M25: 11,933,572 km (0.087 R)
• M26: 15,183,585 km (0.062 R)
• M27: 18,238,075 km (0.111 R)
• M28: 19,737,195 km (0.119 R)
• M29: 23,454,104 km (0.086 R)
• M30: 24,624,109 km (0.081 R)
• M31: 25,935,184 km (0.114 R)
• M32: 30,145,916 km (0.098 R)
• M33: 31,294,678 km (0.062 R)
• M34: 34,046,680 km (0.056 R)
• M35: 38,137,883 km (0.108 R)
• M36: 46,064,027 km (0.113 R)
• M37: 46,214,821 km (0.099 R)
• M38: 53,342,412 km (0.039 R)
• M39: 56,043,252 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.3

Radius: 7.1

Gravity: 15.96 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 7.27 AU - 7.69 AU

Year: 14121 Days

Day: 23.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 63,648,041 km

• M1: 88,412 km (0.091 R)
• M2: 315,951 km (0.045 R)
• M3: 668,553 km (0.089 R)
• M4: 1,231,340 km (0.112 R)
• M5: 1,498,522 km (0.116 R)
• M6: 1,856,360 km (0.079 R)
• M7: 2,414,210 km (0.106 R)
• M8: 3,078,575 km (0.114 R)
• M9: 3,631,339 km (0.072 R)
• M10: 4,405,059 km (0.12 R)
• M11: 5,177,134 km (0.096 R)
• M12: 5,539,609 km (0.09 R)
• M13: 5,841,647 km (0.079 R)
• M14: 6,274,883 km (0.066 R)
• M15: 8,619,081 km (0.054 R)
• M16: 9,391,156 km (0.115 R)
• M17: 10,837,019 km (0.033 R)
• M18: 12,045,920 km (0.077 R)
• M19: 13,817,159 km (0.106 R)
• M20: 15,457,350 km (0.069 R)
• M21: 16,209,378 km (0.07 R)
• M22: 16,672,084 km (0.113 R)
• M23: 17,064,480 km (0.111 R)
• M24: 18,779,918 km (0.114 R)
• M25: 19,635,917 km (0.116 R)
• M26: 22,076,756 km (0.076 R)
• M27: 22,359,795 km (0.106 R)
• M28: 30,250,634 km (0.062 R)
• M29: 30,483,259 km (0.044 R)
• M30: 37,091,745 km (0.113 R)
• M31: 39,675,599 km (0.098 R)
• M32: 41,225,134 km (0.094 R)
• M33: 41,798,393 km (0.099 R)
• M34: 42,087,117 km (0.082 R)
• M35: 44,144,985 km (0.114 R)
• M36: 50,067,266 km (0.098 R)
• M37: 51,709,402 km (0.112 R)
• M38: 57,205,179 km (0.043 R)
• M39: 58,637,429 km (0.119 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 11,182 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit