🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.4

Radius: 12.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.59 AU - 0.99 AU

Year: 476 Days

Day: 5.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,367,578 km

• M1: 155,731 km (0.037 R)
• M2: 549,772 km (0.089 R)
• M3: 969,095 km (0.086 R)
• M4: 1,560,306 km (0.117 R)
• M5: 2,305,453 km (0.111 R)
• M6: 3,187,781 km (0.118 R)
• M7: 3,683,249 km (0.109 R)
• M8: 4,072,204 km (0.106 R)
• M9: 4,743,449 km (0.035 R)
• M10: 5,298,158 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.8

Radius: 14.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.07 AU - 1.17 AU

Year: 804 Days

Day: 6.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,367,578 km

• M1: 175,329 km (0.082 R)
• M2: 735,423 km (0.104 R)
• M3: 1,389,914 km (0.107 R)
• M4: 1,979,479 km (0.04 R)
• M5: 2,526,259 km (0.071 R)
• M6: 3,537,690 km (0.077 R)
• M7: 5,542,302 km (0.05 R)
• M8: 6,518,278 km (0.119 R)
• M9: 6,961,088 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.8

Radius: 12.1

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.05 AU - 1.43 AU

Year: 937 Days

Day: 8 Hours

Environment

Temp: -175 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,367,578 km

• M1: 155,283 km (0.079 R)
• M2: 606,320 km (0.052 R)
• M3: 1,307,037 km (0.1 R)
• M4: 1,728,753 km (0.112 R)
• M5: 2,856,272 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.3

Radius: 13.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.22 AU - 1.34 AU

Year: 982 Days

Day: 12 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,367,578 km

• M1: 171,589 km (0.097 R)
• M2: 609,163 km (0.096 R)
• M3: 1,070,373 km (0.101 R)
• M4: 1,623,286 km (0.074 R)
• M5: 2,075,970 km (0.047 R)
• M6: 3,286,366 km (0.084 R)
• M7: 3,791,708 km (0.093 R)
• M8: 4,348,960 km (0.12 R)
• M9: 5,354,856 km (0.064 R)
• M10: 6,314,227 km (0.093 R)
• M11: 6,755,989 km (0.105 R)
• M12: 8,627,309 km (0.084 R)
• M13: 9,144,768 km (0.066 R)
• M14: 9,769,938 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.8

Radius: 14.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.28 AU - 1.52 AU

Year: 1124 Days

Day: 8.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,367,578 km

• M1: 180,265 km (0.104 R)
• M2: 720,763 km (0.031 R)
• M3: 1,348,176 km (0.082 R)
• M4: 1,805,048 km (0.088 R)
• M5: 2,292,587 km (0.079 R)
• M6: 2,758,286 km (0.081 R)
• M7: 3,371,038 km (0.08 R)
• M8: 3,885,655 km (0.073 R)
• M9: 4,607,315 km (0.103 R)
• M10: 5,358,895 km (0.1 R)
• M11: 6,807,900 km (0.097 R)
• M12: 8,853,800 km (0.079 R)
• M13: 9,353,008 km (0.062 R)
• M14: 10,048,040 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402

Radius: 10.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.43 AU - 1.51 AU

Year: 1209 Days

Day: 7.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,367,578 km

• M1: 133,142 km (0.102 R)
• M2: 569,669 km (0.041 R)
• M3: 1,003,353 km (0.091 R)
• M4: 1,424,471 km (0.109 R)
• M5: 1,778,719 km (0.038 R)
• M6: 2,450,862 km (0.038 R)
• M7: 3,396,021 km (0.116 R)
• M8: 3,913,480 km (0.12 R)
• M9: 4,620,629 km (0.1 R)
• M10: 5,106,823 km (0.088 R)
• M11: 5,488,895 km (0.12 R)
• M12: 6,706,024 km (0.082 R)
• M13: 7,426,188 km (0.115 R)
• M14: 9,075,804 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.1

Radius: 13

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.68 AU - 2.68 AU

Year: 2976 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,367,578 km

• M1: 162,164 km (0.112 R)
• M2: 961,017 km (0.11 R)
• M3: 1,858,903 km (0.096 R)
• M4: 2,355,119 km (0.066 R)
• M5: 2,765,317 km (0.073 R)
• M6: 4,129,799 km (0.117 R)
• M7: 4,823,484 km (0.102 R)
• M8: 5,518,067 km (0.079 R)
• M9: 8,204,097 km (0.117 R)
• M10: 9,446,507 km (0.059 R)
• M11: 10,303,703 km (0.119 R)
• M12: 12,784,335 km (0.065 R)
• M13: 13,646,767 km (0.066 R)
• M14: 14,499,175 km (0.118 R)
• M15: 15,386,739 km (0.045 R)
• M16: 17,000,003 km (0.113 R)
• M17: 17,653,895 km (0.071 R)
• M18: 18,381,090 km (0.043 R)
• M19: 19,538,679 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.6

Radius: 11.8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.17 AU - 3.41 AU

Year: 3161 Days

Day: 7.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,367,578 km

• M1: 146,756 km (0.075 R)
• M2: 595,998 km (0.109 R)
• M3: 1,251,536 km (0.119 R)
• M4: 1,646,923 km (0.071 R)
• M5: 2,139,549 km (0.094 R)
• M6: 2,507,260 km (0.092 R)
• M7: 3,320,026 km (0.106 R)
• M8: 3,721,546 km (0.118 R)
• M9: 5,539,759 km (0.088 R)
• M10: 7,032,895 km (0.079 R)
• M11: 7,606,453 km (0.115 R)
• M12: 8,408,448 km (0.111 R)
• M13: 9,020,153 km (0.115 R)
• M14: 9,408,509 km (0.113 R)
• M15: 10,143,184 km (0.114 R)
• M16: 10,602,151 km (0.086 R)
• M17: 12,105,310 km (0.103 R)
• M18: 13,019,203 km (0.063 R)
• M19: 13,516,018 km (0.067 R)
• M20: 14,984,471 km (0.096 R)
• M21: 16,556,595 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.3

Radius: 6.6

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.4 AU - 7.22 AU

Year: 10751 Days

Day: 24.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 51,367,578 km

• M1: 101,727 km (0.105 R)
• M2: 326,123 km (0.076 R)
• M3: 545,883 km (0.116 R)
• M4: 824,284 km (0.113 R)
• M5: 1,162,525 km (0.077 R)
• M6: 1,389,914 km (0.103 R)
• M7: 2,240,827 km (0.119 R)
• M8: 2,925,386 km (0.114 R)
• M9: 3,281,280 km (0.097 R)
• M10: 3,895,080 km (0.064 R)
• M11: 4,106,761 km (0.082 R)
• M12: 4,326,221 km (0.067 R)
• M13: 4,670,296 km (0.057 R)
• M14: 4,940,021 km (0.09 R)
• M15: 5,846,734 km (0.093 R)
• M16: 6,089,830 km (0.04 R)
• M17: 6,633,469 km (0.12 R)
• M18: 7,610,792 km (0.054 R)
• M19: 8,027,422 km (0.056 R)
• M20: 8,241,347 km (0.058 R)
• M21: 8,636,135 km (0.063 R)
• M22: 10,493,842 km (0.081 R)
• M23: 11,543,121 km (0.069 R)
• M24: 12,660,468 km (0.079 R)
• M25: 15,173,413 km (0.105 R)
• M26: 23,958,249 km (0.108 R)
• M27: 25,675,931 km (0.115 R)
• M28: 29,455,970 km (0.094 R)
• M29: 31,003,411 km (0.105 R)
• M30: 31,213,745 km (0.051 R)
• M31: 40,934,316 km (0.109 R)
• M32: 42,599,041 km (0.092 R)
• M33: 43,777,573 km (0.044 R)
• M34: 44,308,197 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.3

Radius: 4.3

Gravity: 18.51 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.23 AU - 10.01 AU

Year: 15694 Days

Day: 24.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 51,367,578 km

• M1: 54,154 km (0.076 R)
• M2: 213,177 km (0.058 R)
• M3: 362,775 km (0.12 R)
• M4: 508,633 km (0.072 R)
• M5: 1,204,263 km (0.075 R)
• M6: 1,452,895 km (0.085 R)
• M7: 1,948,363 km (0.087 R)
• M8: 2,160,642 km (0.053 R)
• M9: 2,329,837 km (0.089 R)
• M10: 2,589,988 km (0.11 R)
• M11: 2,869,138 km (0.113 R)
• M12: 3,437,161 km (0.092 R)
• M13: 3,964,942 km (0.118 R)
• M14: 4,306,474 km (0.086 R)
• M15: 5,728,402 km (0.104 R)
• M16: 6,164,779 km (0.083 R)
• M17: 6,701,386 km (0.106 R)
• M18: 7,227,073 km (0.11 R)
• M19: 7,563,968 km (0.101 R)
• M20: 9,210,591 km (0.064 R)
• M21: 9,808,833 km (0.113 R)
• M22: 11,700,797 km (0.057 R)
• M23: 13,068,571 km (0.102 R)
• M24: 16,691,682 km (0.086 R)
• M25: 17,957,728 km (0.116 R)
• M26: 20,931,584 km (0.065 R)
• M27: 21,186,200 km (0.102 R)
• M28: 21,615,097 km (0.098 R)
• M29: 30,576,309 km (0.062 R)
• M30: 31,344,793 km (0.086 R)
• M31: 33,149,691 km (0.078 R)
• M32: 33,495,562 km (0.048 R)
• M33: 33,727,588 km (0.109 R)
• M34: 35,985,020 km (0.051 R)
• M35: 39,492,192 km (0.088 R)
• M36: 49,692,822 km (0.074 R)
• M37: 50,449,488 km (0.113 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 13,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit