🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.2

Radius: 9.2

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.72 AU - 0.84 AU

Year: 445 Days

Day: 14.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,548,152 km

• M1: 114,442 km (0.088 R)
• M2: 436,676 km (0.11 R)
• M3: 1,020,257 km (0.067 R)
• M4: 1,400,086 km (0.079 R)
• M5: 1,849,329 km (0.083 R)
• M6: 2,345,395 km (0.103 R)
• M7: 2,765,765 km (0.052 R)
• M8: 3,142,453 km (0.107 R)
• M9: 3,654,975 km (0.079 R)
• M10: 4,723,553 km (0.042 R)
• M11: 5,330,172 km (0.113 R)
• M12: 6,042,108 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.9

Radius: 11.4

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.05 AU - 1.15 AU

Year: 745 Days

Day: 6.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,548,152 km

• M1: 142,268 km (0.115 R)
• M2: 498,610 km (0.114 R)
• M3: 941,419 km (0.068 R)
• M4: 1,380,938 km (0.048 R)
• M5: 1,740,571 km (0.115 R)
• M6: 2,125,337 km (0.052 R)
• M7: 2,633,820 km (0.101 R)
• M8: 3,184,041 km (0.077 R)
• M9: 3,723,790 km (0.084 R)
• M10: 5,217,226 km (0.106 R)
• M11: 5,584,788 km (0.071 R)
• M12: 6,750,454 km (0.096 R)
• M13: 7,232,758 km (0.083 R)
• M14: 8,464,846 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.5

Radius: 14.9

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.1 AU - 1.76 AU

Year: 1104 Days

Day: 10.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,548,152 km

• M1: 187,147 km (0.119 R)
• M2: 1,354,908 km (0.079 R)
• M3: 1,988,455 km (0.108 R)
• M4: 2,523,267 km (0.108 R)
• M5: 3,425,492 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281

Radius: 9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.71 AU - 3.13 AU

Year: 3222 Days

Day: 10.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,548,152 km

• M1: 116,986 km (0.077 R)
• M2: 446,550 km (0.119 R)
• M3: 1,060,649 km (0.083 R)
• M4: 1,518,568 km (0.116 R)
• M5: 2,091,977 km (0.11 R)
• M6: 2,382,795 km (0.03 R)
• M7: 3,239,841 km (0.058 R)
• M8: 3,757,300 km (0.112 R)
• M9: 4,470,284 km (0.04 R)
• M10: 5,045,487 km (0.081 R)
• M11: 5,385,823 km (0.086 R)
• M12: 5,765,801 km (0.118 R)
• M13: 6,317,518 km (0.068 R)
• M14: 7,267,165 km (0.045 R)
• M15: 7,731,816 km (0.111 R)
• M16: 8,093,095 km (0.057 R)
• M17: 8,624,317 km (0.092 R)
• M18: 10,686,973 km (0.053 R)
• M19: 12,723,449 km (0.104 R)
• M20: 14,638,301 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.9

Radius: 13.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.22 AU - 4.3 AU

Year: 5677 Days

Day: 5.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,548,152 km

• M1: 165,455 km (0.069 R)
• M2: 785,389 km (0.08 R)
• M3: 2,524,464 km (0.056 R)
• M4: 3,635,228 km (0.094 R)
• M5: 5,784,650 km (0.064 R)
• M6: 6,741,778 km (0.113 R)
• M7: 9,812,124 km (0.071 R)
• M8: 11,564,663 km (0.081 R)
• M9: 12,843,725 km (0.084 R)
• M10: 14,727,611 km (0.117 R)
• M11: 15,899,262 km (0.073 R)
• M12: 17,479,015 km (0.094 R)
• M13: 18,187,212 km (0.108 R)
• M14: 19,099,310 km (0.075 R)
• M15: 20,621,767 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.9

Radius: 9.1

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.69 AU - 4.87 AU

Year: 6748 Days

Day: 6.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,548,152 km

• M1: 113,096 km (0.106 R)
• M2: 405,410 km (0.113 R)
• M3: 753,824 km (0.07 R)
• M4: 1,051,972 km (0.093 R)
• M5: 1,407,417 km (0.109 R)
• M6: 1,773,483 km (0.096 R)
• M7: 2,250,999 km (0.091 R)
• M8: 2,645,638 km (0.049 R)
• M9: 4,573,207 km (0.063 R)
• M10: 4,925,959 km (0.049 R)
• M11: 5,840,899 km (0.118 R)
• M12: 6,256,632 km (0.039 R)
• M13: 6,726,519 km (0.117 R)
• M14: 8,803,685 km (0.111 R)
• M15: 9,265,344 km (0.063 R)
• M16: 9,699,028 km (0.114 R)
• M17: 14,120,244 km (0.037 R)
• M18: 15,525,865 km (0.075 R)
• M19: 16,513,211 km (0.09 R)
• M20: 17,673,492 km (0.07 R)
• M21: 18,139,191 km (0.081 R)
• M22: 19,444,133 km (0.036 R)
• M23: 21,180,815 km (0.118 R)
• M24: 22,086,779 km (0.088 R)
• M25: 24,464,637 km (0.091 R)
• M26: 27,537,228 km (0.101 R)
• M27: 30,666,816 km (0.06 R)
• M28: 31,339,408 km (0.051 R)
• M29: 32,021,723 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.7

Radius: 5.8

Gravity: 19.73 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.05 AU - 8.11 AU

Year: 13475 Days

Day: 23.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,548,152 km

• M1: 72,106 km (0.069 R)
• M2: 308,770 km (0.11 R)
• M3: 996,920 km (0.055 R)
• M4: 1,247,945 km (0.11 R)
• M5: 1,586,186 km (0.083 R)
• M6: 1,895,704 km (0.086 R)
• M7: 3,344,410 km (0.09 R)
• M8: 3,743,088 km (0.076 R)
• M9: 4,026,127 km (0.112 R)
• M10: 4,232,573 km (0.076 R)
• M11: 5,062,542 km (0.109 R)
• M12: 9,222,858 km (0.115 R)
• M13: 9,478,970 km (0.117 R)
• M14: 10,005,405 km (0.1 R)
• M15: 10,887,733 km (0.108 R)
• M16: 11,465,031 km (0.038 R)
• M17: 12,869,755 km (0.046 R)
• M18: 13,449,447 km (0.046 R)
• M19: 18,323,944 km (0.104 R)
• M20: 22,461,821 km (0.107 R)
• M21: 23,113,021 km (0.067 R)
• M22: 23,585,750 km (0.096 R)
• M23: 24,943,799 km (0.118 R)
• M24: 26,662,081 km (0.081 R)
• M25: 27,708,817 km (0.104 R)
• M26: 28,242,283 km (0.102 R)
• M27: 33,116,630 km (0.106 R)
• M28: 34,325,381 km (0.079 R)
• M29: 42,483,701 km (0.075 R)
• M30: 44,344,100 km (0.028 R)
• M31: 45,960,056 km (0.026 R)
• M32: 46,707,298 km (0.103 R)
• M33: 49,308,954 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.4

Radius: 7.6

Gravity: 16.35 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.34 AU - 10.54 AU

Year: 17259 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,548,152 km

• M1: 94,546 km (0.113 R)
• M2: 432,637 km (0.074 R)
• M3: 794,365 km (0.104 R)
• M4: 1,350,869 km (0.086 R)
• M5: 1,759,570 km (0.115 R)
• M6: 2,248,456 km (0.092 R)
• M7: 3,028,758 km (0.094 R)
• M8: 3,353,535 km (0.051 R)
• M9: 4,041,237 km (0.056 R)
• M10: 5,263,302 km (0.112 R)
• M11: 5,653,752 km (0.082 R)
• M12: 6,714,700 km (0.097 R)
• M13: 7,363,806 km (0.115 R)
• M14: 10,204,520 km (0.038 R)
• M15: 13,703,015 km (0.116 R)
• M16: 14,367,380 km (0.036 R)
• M17: 16,162,404 km (0.048 R)
• M18: 17,071,810 km (0.12 R)
• M19: 17,754,126 km (0.092 R)
• M20: 21,051,861 km (0.059 R)
• M21: 25,720,512 km (0.049 R)
• M22: 28,117,817 km (0.101 R)
• M23: 28,948,983 km (0.067 R)
• M24: 32,308,652 km (0.065 R)
• M25: 37,607,409 km (0.1 R)
• M26: 38,325,927 km (0.102 R)
• M27: 42,831,217 km (0.078 R)
• M28: 50,058,739 km (0.116 R)
• M29: 51,454,487 km (0.114 R)
• M30: 52,518,427 km (0.096 R)
• M31: 61,166,231 km (0.087 R)
• M32: 64,793,381 km (0.103 R)
• M33: 74,708,877 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 499.5

Radius: 6.6

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.62 AU - 11.7 AU

Year: 20910 Days

Day: 19.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,548,152 km

• M1: 82,129 km (0.111 R)
• M2: 565,480 km (0.072 R)
• M3: 2,546,006 km (0.074 R)
• M4: 3,000,933 km (0.102 R)
• M5: 4,040,938 km (0.088 R)
• M6: 6,503,319 km (0.113 R)
• M7: 6,985,772 km (0.077 R)
• M8: 11,177,953 km (0.08 R)
• M9: 14,261,913 km (0.084 R)
• M10: 20,711,376 km (0.073 R)
• M11: 26,935,097 km (0.077 R)
• M12: 50,262,491 km (0.091 R)
• M13: 51,967,308 km (0.087 R)
• M14: 62,425,995 km (0.067 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: 308 - 13,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit