🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.8

Radius: 12.2

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.81 AU - 1.11 AU

Year: 607 Days

Day: 12 Hours

Environment

Temp: -150 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,543,161 km

• M1: 151,692 km (0.098 R)
• M2: 560,543 km (0.084 R)
• M3: 1,068,578 km (0.11 R)
• M4: 1,577,360 km (0.108 R)
• M5: 1,999,076 km (0.078 R)
• M6: 3,065,560 km (0.026 R)
• M7: 3,550,855 km (0.1 R)
• M8: 3,970,776 km (0.114 R)
• M9: 4,521,296 km (0.113 R)
• M10: 5,434,591 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.1

Radius: 11.4

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.43 AU - 2.39 AU

Year: 1704 Days

Day: 10.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,543,161 km

• M1: 141,819 km (0.061 R)
• M2: 530,324 km (0.044 R)
• M3: 899,083 km (0.069 R)
• M4: 1,413,251 km (0.109 R)
• M5: 1,970,204 km (0.106 R)
• M6: 2,587,594 km (0.089 R)
• M7: 3,395,572 km (0.042 R)
• M8: 4,850,262 km (0.034 R)
• M9: 5,883,235 km (0.111 R)
• M10: 6,763,170 km (0.052 R)
• M11: 7,248,765 km (0.114 R)
• M12: 7,613,933 km (0.093 R)
• M13: 8,290,116 km (0.089 R)
• M14: 8,721,107 km (0.063 R)
• M15: 9,329,821 km (0.113 R)
• M16: 10,208,708 km (0.038 R)
• M17: 11,253,051 km (0.075 R)
• M18: 13,260,355 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.8

Radius: 8.2

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.81 AU - 3.53 AU

Year: 3644 Days

Day: 12.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,543,161 km

• M1: 103,971 km (0.059 R)
• M2: 405,709 km (0.102 R)
• M3: 692,339 km (0.108 R)
• M4: 989,740 km (0.088 R)
• M5: 1,287,439 km (0.027 R)
• M6: 1,579,155 km (0.118 R)
• M7: 1,927,718 km (0.109 R)
• M8: 2,592,830 km (0.03 R)
• M9: 3,629,244 km (0.034 R)
• M10: 5,961,026 km (0.103 R)
• M11: 6,490,902 km (0.069 R)
• M12: 7,204,633 km (0.118 R)
• M13: 8,135,431 km (0.086 R)
• M14: 9,108,266 km (0.106 R)
• M15: 10,709,861 km (0.081 R)
• M16: 11,241,532 km (0.079 R)
• M17: 12,805,877 km (0.117 R)
• M18: 13,404,867 km (0.059 R)
• M19: 13,830,323 km (0.055 R)
• M20: 15,009,304 km (0.101 R)
• M21: 16,901,268 km (0.095 R)
• M22: 19,543,167 km (0.038 R)
• M23: 20,029,210 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621

Radius: 9.9

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.97 AU - 3.47 AU

Year: 3731 Days

Day: 12.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,543,161 km

• M1: 123,119 km (0.115 R)
• M2: 441,463 km (0.091 R)
• M3: 815,159 km (0.103 R)
• M4: 1,676,992 km (0.105 R)
• M5: 2,346,592 km (0.116 R)
• M6: 2,954,408 km (0.045 R)
• M7: 3,409,186 km (0.047 R)
• M8: 3,806,368 km (0.066 R)
• M9: 4,717,868 km (0.107 R)
• M10: 5,085,580 km (0.085 R)
• M11: 5,393,602 km (0.077 R)
• M12: 7,030,950 km (0.104 R)
• M13: 7,414,070 km (0.038 R)
• M14: 8,976,471 km (0.109 R)
• M15: 11,649,336 km (0.037 R)
• M16: 12,141,214 km (0.072 R)
• M17: 13,602,785 km (0.112 R)
• M18: 14,864,044 km (0.105 R)
• M19: 15,711,217 km (0.072 R)
• M20: 16,256,950 km (0.1 R)
• M21: 17,328,370 km (0.066 R)
• M22: 18,627,029 km (0.095 R)
• M23: 22,224,260 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.6

Radius: 12.2

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.39 AU - 3.63 AU

Year: 4246 Days

Day: 13.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,543,161 km

• M1: 152,291 km (0.058 R)
• M2: 651,798 km (0.094 R)
• M3: 1,218,923 km (0.104 R)
• M4: 1,623,735 km (0.108 R)
• M5: 2,286,155 km (0.114 R)
• M6: 2,698,746 km (0.094 R)
• M7: 4,320,536 km (0.043 R)
• M8: 6,810,293 km (0.119 R)
• M9: 7,425,739 km (0.112 R)
• M10: 8,115,086 km (0.113 R)
• M11: 9,249,337 km (0.058 R)
• M12: 10,620,402 km (0.12 R)
• M13: 11,496,148 km (0.12 R)
• M14: 13,708,850 km (0.09 R)
• M15: 16,013,854 km (0.101 R)
• M16: 16,552,556 km (0.087 R)
• M17: 19,496,941 km (0.096 R)
• M18: 20,042,524 km (0.1 R)
• M19: 23,379,454 km (0.113 R)
• M20: 25,179,566 km (0.101 R)
• M21: 27,493,545 km (0.065 R)
• M22: 29,053,851 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.2

Radius: 14.2

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.28 AU - 3.84 AU

Year: 4337 Days

Day: 10.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,543,161 km

• M1: 196,572 km (0.098 R)
• M2: 650,302 km (0.09 R)
• M3: 1,145,770 km (0.111 R)
• M4: 1,983,518 km (0.087 R)
• M5: 3,089,046 km (0.073 R)
• M6: 3,812,651 km (0.088 R)
• M7: 5,188,054 km (0.096 R)
• M8: 7,787,766 km (0.116 R)
• M9: 10,714,349 km (0.047 R)
• M10: 12,230,673 km (0.112 R)
• M11: 14,043,500 km (0.108 R)
• M12: 15,460,042 km (0.09 R)
• M13: 16,436,617 km (0.068 R)
• M14: 17,271,224 km (0.114 R)
• M15: 20,214,113 km (0.107 R)
• M16: 21,172,437 km (0.112 R)
• M17: 21,946,606 km (0.117 R)
• M18: 25,389,900 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.8

Radius: 5.7

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.81 AU - 8.01 AU

Year: 10479 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,543,161 km

• M1: 79,736 km (0.086 R)
• M2: 261,796 km (0.063 R)
• M3: 682,765 km (0.115 R)
• M4: 913,145 km (0.081 R)
• M5: 1,692,102 km (0.111 R)
• M6: 2,136,108 km (0.047 R)
• M7: 2,943,637 km (0.103 R)
• M8: 3,653,479 km (0.047 R)
• M9: 6,129,324 km (0.114 R)
• M10: 6,987,118 km (0.071 R)
• M11: 8,118,826 km (0.084 R)
• M12: 8,728,288 km (0.104 R)
• M13: 9,721,318 km (0.1 R)
• M14: 11,725,332 km (0.054 R)
• M15: 13,259,757 km (0.088 R)
• M16: 14,686,023 km (0.052 R)
• M17: 17,175,780 km (0.045 R)
• M18: 19,289,000 km (0.115 R)
• M19: 21,114,543 km (0.054 R)
• M20: 25,959,868 km (0.118 R)
• M21: 28,824,069 km (0.112 R)
• M22: 29,383,565 km (0.105 R)
• M23: 29,855,247 km (0.109 R)
• M24: 31,105,436 km (0.118 R)
• M25: 31,300,811 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 614

Radius: 3.4

Gravity: 53.11 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.32 AU - 7.38 AU

Year: 12866 Days

Day: 16.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 53,543,161 km

• M1: 44,131 km (0.081 R)
• M2: 159,621 km (0.108 R)
• M3: 283,189 km (0.093 R)
• M4: 479,312 km (0.075 R)
• M5: 707,000 km (0.075 R)
• M6: 1,024,745 km (0.103 R)
• M7: 1,517,222 km (0.1 R)
• M8: 1,799,064 km (0.092 R)
• M9: 2,059,514 km (0.096 R)
• M10: 2,246,810 km (0.082 R)
• M11: 2,633,820 km (0.093 R)
• M12: 2,854,477 km (0.101 R)
• M13: 3,460,498 km (0.104 R)
• M14: 4,060,834 km (0.098 R)
• M15: 4,325,323 km (0.077 R)
• M16: 4,538,949 km (0.1 R)
• M17: 5,256,271 km (0.114 R)
• M18: 5,429,356 km (0.076 R)
• M19: 6,159,543 km (0.102 R)
• M20: 10,756,237 km (0.112 R)
• M21: 10,867,238 km (0.062 R)
• M22: 12,259,845 km (0.082 R)
• M23: 13,188,249 km (0.12 R)
• M24: 14,430,061 km (0.102 R)
• M25: 15,891,034 km (0.114 R)
• M26: 16,620,174 km (0.057 R)
• M27: 16,992,972 km (0.112 R)
• M28: 17,371,305 km (0.093 R)
• M29: 17,910,455 km (0.074 R)
• M30: 19,926,885 km (0.12 R)
• M31: 31,732,102 km (0.104 R)
• M32: 32,305,361 km (0.087 R)
• M33: 35,154,153 km (0.11 R)
• M34: 35,644,535 km (0.085 R)
• M35: 36,264,169 km (0.068 R)
• M36: 38,683,765 km (0.107 R)
• M37: 39,206,610 km (0.071 R)
• M38: 45,851,897 km (0.042 R)
• M39: 47,622,986 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.1

Radius: 6.8

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.26 AU - 8.62 AU

Year: 13103 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,543,161 km

• M1: 84,523 km (0.062 R)
• M2: 303,534 km (0.111 R)
• M3: 685,457 km (0.056 R)
• M4: 1,113,607 km (0.109 R)
• M5: 2,094,370 km (0.1 R)
• M6: 2,836,525 km (0.113 R)
• M7: 3,877,876 km (0.075 R)
• M8: 4,130,696 km (0.052 R)
• M9: 4,795,360 km (0.112 R)
• M10: 6,490,154 km (0.049 R)
• M11: 7,557,984 km (0.064 R)
• M12: 8,882,074 km (0.113 R)
• M13: 11,573,938 km (0.101 R)
• M14: 11,805,666 km (0.12 R)
• M15: 12,580,283 km (0.041 R)
• M16: 13,011,125 km (0.099 R)
• M17: 14,563,353 km (0.12 R)
• M18: 14,969,810 km (0.048 R)
• M19: 22,457,483 km (0.117 R)
• M20: 27,764,467 km (0.102 R)
• M21: 28,075,780 km (0.099 R)
• M22: 28,494,654 km (0.108 R)
• M23: 29,024,081 km (0.102 R)
• M24: 30,211,739 km (0.082 R)
• M25: 31,769,651 km (0.053 R)
• M26: 32,453,463 km (0.074 R)
• M27: 33,030,761 km (0.119 R)
• M28: 39,055,815 km (0.119 R)
• M29: 43,362,439 km (0.095 R)
• M30: 44,912,871 km (0.113 R)
• M31: 45,342,067 km (0.068 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 13,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit