🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.8

Radius: 10.4

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.58 AU - 0.74 AU

Year: 370 Days

Day: 9.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,726,396 km

• M1: 129,701 km (0.087 R)
• M2: 541,245 km (0.116 R)
• M3: 905,965 km (0.119 R)
• M4: 1,366,577 km (0.054 R)
• M5: 1,903,334 km (0.033 R)
• M6: 2,392,369 km (0.1 R)
• M7: 2,830,392 km (0.115 R)
• M8: 3,321,821 km (0.095 R)
• M9: 4,191,583 km (0.118 R)
• M10: 4,517,856 km (0.043 R)
• M11: 5,130,010 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.2

Radius: 9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.82 AU - 1.19 AU

Year: 690 Days

Day: 12.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,726,396 km

• M1: 111,899 km (0.075 R)
• M2: 477,068 km (0.103 R)
• M3: 794,813 km (0.037 R)
• M4: 1,118,992 km (0.105 R)
• M5: 1,428,061 km (0.075 R)
• M6: 2,206,269 km (0.11 R)
• M7: 2,562,761 km (0.116 R)
• M8: 2,852,532 km (0.103 R)
• M9: 3,186,584 km (0.097 R)
• M10: 3,522,880 km (0.059 R)
• M11: 3,895,529 km (0.048 R)
• M12: 5,574,765 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.9

Radius: 13.6

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.45 AU - 1.69 AU

Year: 1358 Days

Day: 11 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,726,396 km

• M1: 169,943 km (0.079 R)
• M2: 617,540 km (0.037 R)
• M3: 1,275,023 km (0.101 R)
• M4: 1,834,219 km (0.082 R)
• M5: 2,260,573 km (0.097 R)
• M6: 2,794,937 km (0.111 R)
• M7: 3,460,947 km (0.112 R)
• M8: 4,531,170 km (0.105 R)
• M9: 4,988,341 km (0.109 R)
• M10: 5,972,695 km (0.115 R)
• M11: 8,210,230 km (0.106 R)
• M12: 10,271,539 km (0.052 R)
• M13: 11,422,845 km (0.074 R)
• M14: 12,123,561 km (0.054 R)
• M15: 13,288,480 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.8

Radius: 9.1

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.5 AU - 3.42 AU

Year: 3515 Days

Day: 8.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,726,396 km

• M1: 113,246 km (0.073 R)
• M2: 398,978 km (0.078 R)
• M3: 722,259 km (0.107 R)
• M4: 1,010,085 km (0.107 R)
• M5: 1,614,311 km (0.073 R)
• M6: 2,069,238 km (0.119 R)
• M7: 3,237,148 km (0.051 R)
• M8: 3,587,955 km (0.117 R)
• M9: 4,046,772 km (0.037 R)
• M10: 5,429,655 km (0.078 R)
• M11: 6,090,129 km (0.074 R)
• M12: 8,776,309 km (0.118 R)
• M13: 9,461,916 km (0.064 R)
• M14: 10,105,187 km (0.043 R)
• M15: 10,457,340 km (0.119 R)
• M16: 10,817,572 km (0.076 R)
• M17: 12,078,981 km (0.111 R)
• M18: 12,881,424 km (0.117 R)
• M19: 13,766,594 km (0.114 R)
• M20: 14,395,205 km (0.116 R)
• M21: 14,941,835 km (0.099 R)
• M22: 15,866,201 km (0.111 R)
• M23: 19,462,982 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.8

Radius: 14.1

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.83 AU - 4.43 AU

Year: 5793 Days

Day: 12 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,726,396 km

• M1: 175,329 km (0.115 R)
• M2: 628,161 km (0.115 R)
• M3: 1,253,780 km (0.115 R)
• M4: 2,838,021 km (0.091 R)
• M5: 3,523,927 km (0.118 R)
• M6: 4,228,533 km (0.066 R)
• M7: 7,097,222 km (0.087 R)
• M8: 8,056,893 km (0.075 R)
• M9: 9,010,878 km (0.117 R)
• M10: 9,562,445 km (0.108 R)
• M11: 10,398,698 km (0.094 R)
• M12: 11,109,287 km (0.038 R)
• M13: 12,855,693 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.4

Radius: 4.5

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.94 AU - 9.26 AU

Year: 14462 Days

Day: 18 Hours

Environment

Temp: -221 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 91,726,396 km

• M1: 58,942 km (0.049 R)
• M2: 211,083 km (0.031 R)
• M3: 887,415 km (0.088 R)
• M4: 2,841,163 km (0.041 R)
• M5: 3,259,438 km (0.032 R)
• M6: 8,108,953 km (0.059 R)
• M7: 13,522,451 km (0.118 R)
• M8: 16,001,886 km (0.118 R)
• M9: 16,545,524 km (0.034 R)
• M10: 17,526,139 km (0.092 R)
• M11: 19,449,219 km (0.033 R)
• M12: 22,845,390 km (0.066 R)
• M13: 31,941,090 km (0.075 R)
• M14: 35,476,686 km (0.066 R)
• M15: 39,756,233 km (0.119 R)
• M16: 43,706,364 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.9

Radius: 5.4

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 8.43 AU - 9.27 AU

Year: 18173 Days

Day: 22.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 91,726,396 km

• M1: 67,169 km (0.117 R)
• M2: 242,947 km (0.065 R)
• M3: 565,779 km (0.052 R)
• M4: 801,396 km (0.06 R)
• M5: 1,253,181 km (0.052 R)
• M6: 1,614,909 km (0.091 R)
• M7: 2,009,548 km (0.052 R)
• M8: 2,202,380 km (0.112 R)
• M9: 3,607,852 km (0.091 R)
• M10: 3,814,447 km (0.092 R)
• M11: 4,001,893 km (0.099 R)
• M12: 4,424,058 km (0.097 R)
• M13: 6,266,056 km (0.109 R)
• M14: 6,796,082 km (0.109 R)
• M15: 8,295,651 km (0.101 R)
• M16: 8,520,048 km (0.041 R)
• M17: 9,265,494 km (0.037 R)
• M18: 9,852,366 km (0.092 R)
• M19: 10,206,016 km (0.041 R)
• M20: 11,649,934 km (0.094 R)
• M21: 14,285,998 km (0.119 R)
• M22: 16,861,326 km (0.085 R)
• M23: 19,889,635 km (0.11 R)
• M24: 20,130,488 km (0.08 R)
• M25: 22,646,126 km (0.107 R)
• M26: 23,261,871 km (0.099 R)
• M27: 24,069,849 km (0.07 R)
• M28: 27,588,839 km (0.066 R)
• M29: 28,595,633 km (0.109 R)
• M30: 34,806,189 km (0.059 R)
• M31: 44,954,609 km (0.03 R)
• M32: 46,770,278 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.7

Radius: 6.4

Gravity: 20.18 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.5 AU - 11.2 AU

Year: 19735 Days

Day: 16.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 91,726,396 km

• M1: 79,586 km (0.061 R)
• M2: 299,645 km (0.059 R)
• M3: 509,530 km (0.096 R)
• M4: 740,809 km (0.111 R)
• M5: 1,302,997 km (0.081 R)
• M6: 2,223,772 km (0.116 R)
• M7: 2,446,075 km (0.095 R)
• M8: 2,936,008 km (0.072 R)
• M9: 3,637,921 km (0.042 R)
• M10: 4,109,753 km (0.117 R)
• M11: 5,251,783 km (0.113 R)
• M12: 5,648,516 km (0.062 R)
• M13: 7,486,775 km (0.114 R)
• M14: 8,730,532 km (0.077 R)
• M15: 9,690,950 km (0.113 R)
• M16: 10,166,372 km (0.091 R)
• M17: 11,293,143 km (0.094 R)
• M18: 11,686,586 km (0.084 R)
• M19: 15,649,134 km (0.097 R)
• M20: 18,196,935 km (0.034 R)
• M21: 23,245,265 km (0.07 R)
• M22: 29,645,960 km (0.106 R)
• M23: 37,852,450 km (0.063 R)
• M24: 39,627,429 km (0.114 R)
• M25: 40,994,454 km (0.113 R)
• M26: 41,457,011 km (0.111 R)
• M27: 51,455,833 km (0.096 R)
• M28: 52,899,602 km (0.098 R)
• M29: 58,165,447 km (0.116 R)
• M30: 61,125,092 km (0.095 R)
• M31: 61,930,975 km (0.116 R)
• M32: 64,807,294 km (0.071 R)
• M33: 69,505,265 km (0.099 R)
• M34: 76,037,905 km (0.112 R)
• M35: 76,503,005 km (0.102 R)
• M36: 79,094,638 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.2

Radius: 3.3

Gravity: 87.44 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.97 AU - 10.41 AU

Year: 22453 Days

Day: 15.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 145.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 91,726,396 km

• M1: 40,990 km (0.071 R)
• M2: 176,825 km (0.096 R)
• M3: 287,228 km (0.11 R)
• M4: 532,419 km (0.108 R)
• M5: 939,624 km (0.104 R)
• M6: 1,845,739 km (0.1 R)
• M7: 2,163,484 km (0.106 R)
• M8: 2,516,535 km (0.095 R)
• M9: 3,740,844 km (0.08 R)
• M10: 4,212,676 km (0.118 R)
• M11: 4,390,398 km (0.104 R)
• M12: 7,587,903 km (0.1 R)
• M13: 10,308,041 km (0.076 R)
• M14: 10,696,248 km (0.117 R)
• M15: 12,131,789 km (0.045 R)
• M16: 16,753,765 km (0.041 R)
• M17: 16,931,337 km (0.106 R)
• M18: 17,380,430 km (0.089 R)
• M19: 20,344,263 km (0.111 R)
• M20: 24,075,833 km (0.081 R)
• M21: 34,980,321 km (0.091 R)
• M22: 35,855,019 km (0.111 R)
• M23: 43,718,033 km (0.097 R)
• M24: 44,732,456 km (0.1 R)
• M25: 45,417,315 km (0.098 R)
• M26: 47,336,955 km (0.064 R)
• M27: 49,674,272 km (0.067 R)
• M28: 49,857,230 km (0.113 R)
• M29: 54,577,642 km (0.092 R)
• M30: 55,163,317 km (0.104 R)
• M31: 62,522,036 km (0.084 R)
• M32: 63,377,886 km (0.073 R)
• M33: 65,771,901 km (0.089 R)
• M34: 70,047,557 km (0.048 R)
• M35: 73,551,140 km (0.109 R)
• M36: 74,984,736 km (0.12 R)
• M37: 75,466,591 km (0.077 R)
• M38: 83,203,194 km (0.082 R)
• M39: 89,814,522 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 15,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit