🌌 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: 348.8

Radius: 12.8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.64 AU - 0.94 AU

Year: 468 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,076,549 km

• M1: 159,172 km (0.091 R)
• M2: 558,150 km (0.116 R)
• M3: 999,912 km (0.099 R)
• M4: 1,652,757 km (0.057 R)
• M5: 2,133,415 km (0.104 R)
• M6: 2,614,372 km (0.113 R)
• M7: 3,032,498 km (0.075 R)
• M8: 3,943,998 km (0.107 R)
• M9: 4,801,344 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.6

Radius: 14.7

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.8 AU - 1.24 AU

Year: 687 Days

Day: 8.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,076,549 km

• M1: 183,108 km (0.09 R)
• M2: 866,022 km (0.058 R)
• M3: 1,349,971 km (0.081 R)
• M4: 2,066,695 km (0.114 R)
• M5: 2,541,518 km (0.11 R)
• M6: 3,459,301 km (0.118 R)
• M7: 4,212,826 km (0.034 R)
• M8: 4,835,452 km (0.114 R)
• M9: 5,337,802 km (0.112 R)
• M10: 5,818,011 km (0.061 R)
• M11: 6,592,629 km (0.065 R)
• M12: 7,124,748 km (0.052 R)
• M13: 7,754,705 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.5

Radius: 11.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.11 AU - 1.47 AU

Year: 977 Days

Day: 10.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,076,549 km

• M1: 150,047 km (0.118 R)
• M2: 562,189 km (0.116 R)
• M3: 1,097,151 km (0.111 R)
• M4: 1,605,185 km (0.031 R)
• M5: 2,596,570 km (0.103 R)
• M6: 3,128,091 km (0.078 R)
• M7: 3,514,204 km (0.05 R)
• M8: 4,220,455 km (0.093 R)
• M9: 4,693,932 km (0.119 R)
• M10: 5,218,273 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778

Radius: 14

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.99 AU - 2.99 AU

Year: 2620 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,076,549 km

• M1: 175,628 km (0.102 R)
• M2: 649,105 km (0.09 R)
• M3: 1,270,684 km (0.055 R)
• M4: 2,577,422 km (0.119 R)
• M5: 3,078,724 km (0.109 R)
• M6: 3,954,021 km (0.069 R)
• M7: 5,226,800 km (0.097 R)
• M8: 7,078,672 km (0.119 R)
• M9: 7,626,799 km (0.089 R)
• M10: 8,705,549 km (0.099 R)
• M11: 9,698,430 km (0.097 R)
• M12: 12,511,468 km (0.118 R)
• M13: 13,682,969 km (0.045 R)
• M14: 16,930,589 km (0.038 R)
• M15: 17,802,745 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.5

Radius: 10.5

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.48 AU - 3.18 AU

Year: 3175 Days

Day: 13.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,076,549 km

• M1: 130,749 km (0.099 R)
• M2: 491,279 km (0.092 R)
• M3: 1,098,348 km (0.067 R)
• M4: 1,614,759 km (0.083 R)
• M5: 2,014,335 km (0.05 R)
• M6: 3,230,117 km (0.063 R)
• M7: 3,830,304 km (0.095 R)
• M8: 4,526,383 km (0.1 R)
• M9: 6,170,015 km (0.057 R)
• M10: 6,726,668 km (0.059 R)
• M11: 7,348,547 km (0.083 R)
• M12: 7,906,995 km (0.098 R)
• M13: 8,283,085 km (0.082 R)
• M14: 8,707,194 km (0.098 R)
• M15: 10,067,039 km (0.076 R)
• M16: 10,756,237 km (0.113 R)
• M17: 11,091,336 km (0.059 R)
• M18: 14,632,467 km (0.07 R)
• M19: 15,044,310 km (0.087 R)
• M20: 15,569,997 km (0.08 R)
• M21: 17,680,224 km (0.044 R)
• M22: 18,088,776 km (0.087 R)
• M23: 20,290,408 km (0.12 R)
• M24: 22,054,765 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.7

Radius: 9.4

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.37 AU - 4.29 AU

Year: 4998 Days

Day: 7 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,076,549 km

• M1: 116,836 km (0.096 R)
• M2: 431,141 km (0.043 R)
• M3: 975,827 km (0.09 R)
• M4: 1,364,482 km (0.062 R)
• M5: 1,671,158 km (0.032 R)
• M6: 2,494,096 km (0.029 R)
• M7: 3,354,882 km (0.077 R)
• M8: 3,696,863 km (0.084 R)
• M9: 4,426,601 km (0.109 R)
• M10: 6,920,846 km (0.094 R)
• M11: 7,442,195 km (0.117 R)
• M12: 8,254,063 km (0.117 R)
• M13: 8,602,775 km (0.1 R)
• M14: 9,371,259 km (0.068 R)
• M15: 9,708,303 km (0.085 R)
• M16: 12,399,270 km (0.097 R)
• M17: 12,857,339 km (0.11 R)
• M18: 13,538,757 km (0.105 R)
• M19: 16,385,754 km (0.086 R)
• M20: 16,813,903 km (0.115 R)
• M21: 17,884,725 km (0.077 R)
• M22: 19,337,170 km (0.068 R)
• M23: 21,153,289 km (0.087 R)
• M24: 21,954,834 km (0.049 R)
• M25: 24,086,304 km (0.056 R)
• M26: 25,121,372 km (0.062 R)
• M27: 25,855,150 km (0.095 R)
• M28: 28,580,224 km (0.068 R)
• M29: 29,111,746 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.4

Radius: 13.4

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.08 AU - 4.7 AU

Year: 6134 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,076,549 km

• M1: 269,426 km (0.098 R)
• M2: 1,472,791 km (0.078 R)
• M3: 2,238,283 km (0.09 R)
• M4: 2,905,191 km (0.087 R)
• M5: 4,045,276 km (0.061 R)
• M6: 5,881,739 km (0.069 R)
• M7: 7,228,569 km (0.095 R)
• M8: 7,956,064 km (0.095 R)
• M9: 9,945,715 km (0.065 R)
• M10: 11,316,929 km (0.047 R)
• M11: 12,604,219 km (0.118 R)
• M12: 14,488,404 km (0.085 R)
• M13: 14,944,229 km (0.054 R)
• M14: 19,489,311 km (0.042 R)
• M15: 23,685,083 km (0.106 R)
• M16: 32,341,863 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.5

Radius: 8.4

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.11 AU - 5.55 AU

Year: 7079 Days

Day: 7.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,076,549 km

• M1: 104,419 km (0.082 R)
• M2: 370,404 km (0.101 R)
• M3: 1,322,894 km (0.115 R)
• M4: 1,735,485 km (0.102 R)
• M5: 2,030,641 km (0.04 R)
• M6: 2,388,330 km (0.117 R)
• M7: 2,820,369 km (0.069 R)
• M8: 3,395,572 km (0.107 R)
• M9: 3,681,903 km (0.088 R)
• M10: 4,067,716 km (0.086 R)
• M11: 6,649,177 km (0.067 R)
• M12: 6,947,026 km (0.079 R)
• M13: 7,666,143 km (0.072 R)
• M14: 7,960,701 km (0.108 R)
• M15: 9,362,732 km (0.038 R)
• M16: 12,875,590 km (0.118 R)
• M17: 14,697,392 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505

Radius: 5.9

Gravity: 14.51 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.59 AU - 8.51 AU

Year: 15231 Days

Day: 18.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,076,549 km

• M1: 73,453 km (0.108 R)
• M2: 266,583 km (0.083 R)
• M3: 611,107 km (0.108 R)
• M4: 1,102,985 km (0.112 R)
• M5: 1,778,868 km (0.102 R)
• M6: 2,245,015 km (0.071 R)
• M7: 3,340,371 km (0.1 R)
• M8: 3,932,928 km (0.057 R)
• M9: 4,753,173 km (0.1 R)
• M10: 5,359,942 km (0.114 R)
• M11: 6,131,568 km (0.1 R)
• M12: 6,644,988 km (0.078 R)
• M13: 10,073,322 km (0.109 R)
• M14: 12,315,645 km (0.06 R)
• M15: 14,049,933 km (0.106 R)
• M16: 15,010,351 km (0.081 R)
• M17: 16,308,561 km (0.083 R)
• M18: 19,126,237 km (0.039 R)
• M19: 25,502,547 km (0.117 R)
• M20: 26,928,215 km (0.116 R)
• M21: 27,450,012 km (0.12 R)
• M22: 30,048,827 km (0.084 R)
• M23: 30,272,476 km (0.072 R)
• M24: 30,950,154 km (0.115 R)
• M25: 36,232,754 km (0.11 R)
• M26: 41,807,070 km (0.042 R)
• M27: 43,641,888 km (0.083 R)
• M28: 44,361,603 km (0.12 R)
• M29: 51,518,216 km (0.068 R)
• M30: 51,838,654 km (0.119 R)
• M31: 56,466,913 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.9

Radius: 3.1

Gravity: 70.75 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 7.91 AU - 11.95 AU

Year: 20867 Days

Day: 17.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 78,076,549 km

• M1: 38,596 km (0.078 R)
• M2: 142,417 km (0.086 R)
• M3: 248,183 km (0.1 R)
• M4: 401,969 km (0.079 R)
• M5: 548,875 km (0.095 R)
• M6: 681,717 km (0.114 R)
• M7: 803,341 km (0.116 R)
• M8: 1,064,239 km (0.108 R)
• M9: 1,410,110 km (0.072 R)
• M10: 1,574,518 km (0.113 R)
• M11: 1,844,991 km (0.104 R)
• M12: 4,186,796 km (0.117 R)
• M13: 4,286,877 km (0.078 R)
• M14: 4,596,843 km (0.067 R)
• M15: 5,416,939 km (0.072 R)
• M16: 5,945,019 km (0.12 R)
• M17: 7,389,387 km (0.082 R)
• M18: 8,561,486 km (0.089 R)
• M19: 10,088,880 km (0.113 R)
• M20: 14,414,652 km (0.079 R)
• M21: 16,065,914 km (0.032 R)
• M22: 19,458,943 km (0.06 R)
• M23: 26,920,436 km (0.12 R)
• M24: 29,654,188 km (0.081 R)
• M25: 32,960,899 km (0.105 R)
• M26: 34,025,587 km (0.119 R)
• M27: 35,388,573 km (0.1 R)
• M28: 36,363,951 km (0.043 R)
• M29: 36,504,872 km (0.116 R)
• M30: 37,932,784 km (0.044 R)
• M31: 38,954,388 km (0.113 R)
• M32: 47,290,280 km (0.089 R)
• M33: 48,814,384 km (0.114 R)
• M34: 51,960,277 km (0.116 R)
• M35: 54,682,809 km (0.109 R)
• M36: 61,802,022 km (0.12 R)
• M37: 63,826,829 km (0.077 R)
• M38: 65,686,630 km (0.061 R)
• M39: 71,482,201 km (0.104 R)
• M40: 72,146,416 km (0.09 R)
• M41: 74,844,563 km (0.094 R)
• M42: 75,072,400 km (0.054 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 14,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit