🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.9

Radius: 14.7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.6 AU - 0.64 AU

Year: 326 Days

Day: 9.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,946,883 km

• M1: 182,958 km (0.058 R)
• M2: 752,926 km (0.101 R)
• M3: 1,257,071 km (0.119 R)
• M4: 1,745,807 km (0.115 R)
• M5: 2,308,445 km (0.119 R)
• M6: 2,825,156 km (0.107 R)
• M7: 3,429,681 km (0.08 R)
• M8: 3,899,119 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.8

Radius: 11

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.6 AU - 0.82 AU

Year: 399 Days

Day: 12.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,946,883 km

• M1: 136,732 km (0.099 R)
• M2: 489,484 km (0.103 R)
• M3: 942,018 km (0.119 R)
• M4: 1,440,478 km (0.054 R)
• M5: 1,941,481 km (0.119 R)
• M6: 2,673,164 km (0.099 R)
• M7: 3,701,650 km (0.062 R)
• M8: 4,340,881 km (0.061 R)
• M9: 4,931,045 km (0.089 R)
• M10: 5,557,710 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.7

Radius: 10.5

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.97 AU - 2.47 AU

Year: 2206 Days

Day: 12.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,946,883 km

• M1: 137,032 km (0.098 R)
• M2: 674,986 km (0.106 R)
• M3: 1,196,035 km (0.114 R)
• M4: 1,719,478 km (0.104 R)
• M5: 2,073,127 km (0.08 R)
• M6: 2,405,085 km (0.047 R)
• M7: 2,946,480 km (0.063 R)
• M8: 3,333,789 km (0.116 R)
• M9: 3,793,353 km (0.099 R)
• M10: 4,772,471 km (0.097 R)
• M11: 7,076,428 km (0.114 R)
• M12: 7,588,801 km (0.094 R)
• M13: 9,670,605 km (0.099 R)
• M14: 11,772,156 km (0.076 R)
• M15: 12,666,153 km (0.057 R)
• M16: 13,018,456 km (0.086 R)
• M17: 13,974,386 km (0.095 R)
• M18: 15,570,296 km (0.053 R)
• M19: 15,923,796 km (0.091 R)
• M20: 16,699,610 km (0.082 R)
• M21: 17,446,104 km (0.04 R)
• M22: 19,468,069 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.6

Radius: 12.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.16 AU - 2.58 AU

Year: 2433 Days

Day: 6.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,946,883 km

• M1: 155,582 km (0.07 R)
• M2: 613,800 km (0.113 R)
• M3: 1,039,556 km (0.105 R)
• M4: 1,890,767 km (0.093 R)
• M5: 2,312,484 km (0.072 R)
• M6: 2,767,261 km (0.072 R)
• M7: 3,598,876 km (0.072 R)
• M8: 4,073,849 km (0.114 R)
• M9: 4,765,141 km (0.095 R)
• M10: 5,174,291 km (0.099 R)
• M11: 5,607,078 km (0.075 R)
• M12: 6,683,883 km (0.07 R)
• M13: 7,465,383 km (0.103 R)
• M14: 8,082,923 km (0.073 R)
• M15: 10,141,688 km (0.104 R)
• M16: 14,222,569 km (0.046 R)
• M17: 16,063,670 km (0.041 R)
• M18: 16,676,722 km (0.095 R)
• M19: 17,305,332 km (0.045 R)
• M20: 18,004,253 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.8

Radius: 8.5

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.55 AU - 3.19 AU

Year: 3242 Days

Day: 12.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,946,883 km

• M1: 105,766 km (0.1 R)
• M2: 379,380 km (0.094 R)
• M3: 697,126 km (0.116 R)
• M4: 1,054,216 km (0.089 R)
• M5: 1,387,371 km (0.072 R)
• M6: 2,848,343 km (0.113 R)
• M7: 3,921,858 km (0.12 R)
• M8: 4,411,641 km (0.086 R)
• M9: 4,691,988 km (0.093 R)
• M10: 5,958,782 km (0.04 R)
• M11: 7,954,418 km (0.055 R)
• M12: 10,254,485 km (0.083 R)
• M13: 10,712,404 km (0.12 R)
• M14: 11,184,086 km (0.099 R)
• M15: 13,922,625 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.7

Radius: 11.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.59 AU - 3.39 AU

Year: 3448 Days

Day: 12.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 62.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,946,883 km

• M1: 142,417 km (0.099 R)
• M2: 518,805 km (0.088 R)
• M3: 1,050,775 km (0.057 R)
• M4: 1,822,551 km (0.079 R)
• M5: 2,210,757 km (0.064 R)
• M6: 2,856,721 km (0.062 R)
• M7: 3,354,433 km (0.048 R)
• M8: 5,504,005 km (0.1 R)
• M9: 6,568,992 km (0.082 R)
• M10: 8,446,146 km (0.047 R)
• M11: 12,267,923 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.4

Radius: 5.1

Gravity: 24.85 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.97 AU - 7.17 AU

Year: 12536 Days

Day: 19.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 42,946,883 km

• M1: 63,429 km (0.09 R)
• M2: 240,404 km (0.099 R)
• M3: 493,673 km (0.052 R)
• M4: 790,176 km (0.097 R)
• M5: 1,327,232 km (0.114 R)
• M6: 4,137,428 km (0.079 R)
• M7: 4,314,103 km (0.104 R)
• M8: 4,526,532 km (0.032 R)
• M9: 4,972,633 km (0.115 R)
• M10: 5,841,198 km (0.077 R)
• M11: 6,725,621 km (0.067 R)
• M12: 7,696,062 km (0.031 R)
• M13: 7,963,843 km (0.079 R)
• M14: 11,506,171 km (0.068 R)
• M15: 12,395,081 km (0.076 R)
• M16: 12,701,458 km (0.102 R)
• M17: 13,845,732 km (0.049 R)
• M18: 18,077,257 km (0.072 R)
• M19: 19,604,502 km (0.085 R)
• M20: 21,302,737 km (0.067 R)
• M21: 21,653,843 km (0.059 R)
• M22: 23,653,967 km (0.059 R)
• M23: 25,873,251 km (0.107 R)
• M24: 27,808,150 km (0.09 R)
• M25: 29,186,245 km (0.079 R)
• M26: 30,498,368 km (0.097 R)
• M27: 30,944,170 km (0.111 R)
• M28: 31,168,866 km (0.056 R)
• M29: 33,949,292 km (0.064 R)
• M30: 37,016,946 km (0.105 R)
• M31: 38,164,960 km (0.108 R)
• M32: 43,979,231 km (0.116 R)
• M33: 52,240,624 km (0.072 R)
• M34: 53,039,177 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632

Radius: 4.3

Gravity: 34.18 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.56 AU - 10.14 AU

Year: 16090 Days

Day: 15.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 42,946,883 km

• M1: 53,556 km (0.044 R)
• M2: 265,237 km (0.111 R)
• M3: 420,669 km (0.103 R)
• M4: 588,967 km (0.106 R)
• M5: 884,273 km (0.11 R)
• M6: 1,078,002 km (0.098 R)
• M7: 1,313,619 km (0.113 R)
• M8: 1,614,909 km (0.09 R)
• M9: 3,115,675 km (0.12 R)
• M10: 3,735,459 km (0.097 R)
• M11: 4,181,560 km (0.107 R)
• M12: 4,729,237 km (0.117 R)
• M13: 6,004,859 km (0.116 R)
• M14: 9,317,404 km (0.05 R)
• M15: 9,912,056 km (0.095 R)
• M16: 10,303,404 km (0.065 R)
• M17: 13,135,142 km (0.105 R)
• M18: 14,090,324 km (0.078 R)
• M19: 17,635,046 km (0.095 R)
• M20: 18,711,253 km (0.12 R)
• M21: 18,880,598 km (0.095 R)
• M22: 20,361,766 km (0.093 R)
• M23: 22,296,067 km (0.079 R)
• M24: 23,454,702 km (0.118 R)
• M25: 27,496,537 km (0.117 R)
• M26: 29,394,934 km (0.093 R)
• M27: 31,022,559 km (0.061 R)
• M28: 31,858,363 km (0.086 R)
• M29: 34,966,408 km (0.045 R)
• M30: 38,406,710 km (0.111 R)
• M31: 42,648,857 km (0.03 R)
• M32: 45,185,887 km (0.109 R)
• M33: 51,382,829 km (0.075 R)
• M34: 51,881,738 km (0.077 R)
• M35: 52,889,280 km (0.108 R)
• M36: 57,763,478 km (0.062 R)
• M37: 61,422,642 km (0.028 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.1

Radius: 3.1

Gravity: 17.39 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 8.55 AU - 8.89 AU

Year: 17171 Days

Day: 24.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,946,883 km

• M1: 39,643 km (0.048 R)
• M2: 156,330 km (0.104 R)
• M3: 453,132 km (0.082 R)
• M4: 595,400 km (0.093 R)
• M5: 758,461 km (0.113 R)
• M6: 960,418 km (0.113 R)
• M7: 2,125,038 km (0.119 R)
• M8: 2,301,264 km (0.109 R)
• M9: 2,995,847 km (0.085 R)
• M10: 3,426,390 km (0.092 R)
• M11: 3,546,218 km (0.111 R)
• M12: 4,666,257 km (0.102 R)
• M13: 4,813,611 km (0.046 R)
• M14: 8,986,194 km (0.036 R)
• M15: 10,364,140 km (0.108 R)
• M16: 12,262,687 km (0.083 R)
• M17: 12,430,685 km (0.038 R)
• M18: 12,600,180 km (0.074 R)
• M19: 15,920,953 km (0.119 R)
• M20: 18,725,913 km (0.1 R)
• M21: 21,516,961 km (0.091 R)
• M22: 23,011,144 km (0.104 R)
• M23: 23,610,434 km (0.115 R)
• M24: 33,450,682 km (0.077 R)
• M25: 34,775,371 km (0.099 R)
• M26: 35,677,596 km (0.027 R)
• M27: 36,827,106 km (0.111 R)
• M28: 38,837,552 km (0.064 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 15,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit