🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.2

Radius: 14.8

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.58 AU - 0.6 AU

Year: 302 Days

Day: 10.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,574,072 km

• M1: 184,155 km (0.052 R)
• M2: 667,356 km (0.069 R)
• M3: 1,217,128 km (0.115 R)
• M4: 1,751,492 km (0.077 R)
• M5: 2,255,188 km (0.101 R)
• M6: 3,030,554 km (0.043 R)
• M7: 3,676,218 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.3

Radius: 8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.88 AU - 2.16 AU

Year: 1915 Days

Day: 9.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,574,072 km

• M1: 99,782 km (0.111 R)
• M2: 575,204 km (0.099 R)
• M3: 1,033,422 km (0.063 R)
• M4: 2,782,371 km (0.113 R)
• M5: 3,972,123 km (0.111 R)
• M6: 4,393,091 km (0.114 R)
• M7: 5,019,906 km (0.098 R)
• M8: 6,287,599 km (0.083 R)
• M9: 6,545,804 km (0.104 R)
• M10: 7,337,327 km (0.096 R)
• M11: 7,917,467 km (0.058 R)
• M12: 9,873,609 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.8

Radius: 10.3

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.13 AU - 3.41 AU

Year: 3074 Days

Day: 6.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 131.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,574,072 km

• M1: 128,056 km (0.118 R)
• M2: 486,193 km (0.092 R)
• M3: 1,067,082 km (0.117 R)
• M4: 1,430,305 km (0.068 R)
• M5: 1,767,798 km (0.064 R)
• M6: 2,310,390 km (0.098 R)
• M7: 2,693,210 km (0.064 R)
• M8: 3,134,225 km (0.076 R)
• M9: 3,517,794 km (0.057 R)
• M10: 4,084,770 km (0.046 R)
• M11: 4,420,916 km (0.099 R)
• M12: 4,797,005 km (0.12 R)
• M13: 5,171,898 km (0.089 R)
• M14: 5,518,815 km (0.088 R)
• M15: 5,930,808 km (0.117 R)
• M16: 6,708,118 km (0.09 R)
• M17: 7,999,597 km (0.044 R)
• M18: 8,433,430 km (0.091 R)
• M19: 9,180,073 km (0.114 R)
• M20: 10,041,159 km (0.081 R)
• M21: 10,363,991 km (0.113 R)
• M22: 11,412,971 km (0.064 R)
• M23: 11,764,825 km (0.108 R)
• M24: 13,897,343 km (0.085 R)
• M25: 15,407,234 km (0.085 R)
• M26: 16,822,131 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.6

Radius: 10

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.08 AU - 3.96 AU

Year: 4404 Days

Day: 7.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,574,072 km

• M1: 124,316 km (0.059 R)
• M2: 708,196 km (0.057 R)
• M3: 1,415,046 km (0.063 R)
• M4: 1,802,954 km (0.09 R)
• M5: 2,485,419 km (0.091 R)
• M6: 2,947,676 km (0.058 R)
• M7: 3,588,255 km (0.104 R)
• M8: 3,913,929 km (0.085 R)
• M9: 6,175,849 km (0.063 R)
• M10: 6,672,663 km (0.062 R)
• M11: 8,355,789 km (0.074 R)
• M12: 9,129,060 km (0.04 R)
• M13: 9,878,995 km (0.032 R)
• M14: 11,042,567 km (0.093 R)
• M15: 12,214,217 km (0.119 R)
• M16: 12,788,524 km (0.094 R)
• M17: 13,683,717 km (0.118 R)
• M18: 14,258,472 km (0.07 R)
• M19: 15,934,268 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.4

Radius: 11.3

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.27 AU - 3.77 AU

Year: 4404 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,574,072 km

• M1: 140,622 km (0.093 R)
• M2: 526,884 km (0.116 R)
• M3: 1,008,140 km (0.109 R)
• M4: 1,395,748 km (0.082 R)
• M5: 1,793,230 km (0.06 R)
• M6: 2,267,006 km (0.084 R)
• M7: 2,667,779 km (0.078 R)
• M8: 3,698,658 km (0.088 R)
• M9: 4,329,213 km (0.12 R)
• M10: 4,721,010 km (0.057 R)
• M11: 6,375,412 km (0.07 R)
• M12: 7,768,617 km (0.052 R)
• M13: 9,721,618 km (0.091 R)
• M14: 13,209,941 km (0.102 R)
• M15: 13,985,606 km (0.099 R)
• M16: 14,682,133 km (0.063 R)
• M17: 16,086,708 km (0.114 R)
• M18: 16,791,763 km (0.093 R)
• M19: 17,212,581 km (0.111 R)
• M20: 18,137,994 km (0.102 R)
• M21: 19,953,663 km (0.104 R)
• M22: 24,247,421 km (0.084 R)
• M23: 27,429,368 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700

Radius: 14.2

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.57 AU - 3.63 AU

Year: 4555 Days

Day: 13.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,574,072 km

• M1: 176,675 km (0.086 R)
• M2: 905,815 km (0.108 R)
• M3: 1,469,051 km (0.053 R)
• M4: 2,296,178 km (0.113 R)
• M5: 2,869,886 km (0.097 R)
• M6: 4,876,741 km (0.105 R)
• M7: 6,099,853 km (0.067 R)
• M8: 7,111,434 km (0.083 R)
• M9: 7,763,381 km (0.06 R)
• M10: 8,380,174 km (0.108 R)
• M11: 9,226,897 km (0.096 R)
• M12: 11,046,157 km (0.119 R)
• M13: 11,874,780 km (0.054 R)
• M14: 14,181,579 km (0.079 R)
• M15: 14,665,678 km (0.076 R)
• M16: 16,536,100 km (0.104 R)
• M17: 17,559,499 km (0.104 R)
• M18: 18,688,813 km (0.112 R)
• M19: 19,205,973 km (0.103 R)
• M20: 19,732,707 km (0.111 R)
• M21: 20,884,012 km (0.117 R)
• M22: 22,008,240 km (0.116 R)
• M23: 22,512,535 km (0.108 R)
• M24: 25,151,142 km (0.07 R)
• M25: 28,073,686 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.2

Radius: 15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.83 AU - 6.33 AU

Year: 7635 Days

Day: 9.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,574,072 km

• M1: 186,549 km (0.116 R)
• M2: 704,756 km (0.094 R)
• M3: 1,254,977 km (0.101 R)
• M4: 1,857,407 km (0.097 R)
• M5: 3,901,064 km (0.115 R)
• M6: 6,579,913 km (0.052 R)
• M7: 7,467,028 km (0.078 R)
• M8: 8,772,419 km (0.053 R)
• M9: 10,225,314 km (0.051 R)
• M10: 11,693,318 km (0.104 R)
• M11: 13,916,342 km (0.099 R)
• M12: 16,060,379 km (0.118 R)
• M13: 18,164,921 km (0.084 R)
• M14: 20,515,702 km (0.027 R)
• M15: 24,260,137 km (0.099 R)
• M16: 25,735,172 km (0.105 R)
• M17: 26,941,380 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.5

Radius: 7

Gravity: 12.19 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.82 AU - 10.24 AU

Year: 18095 Days

Day: 21.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 79,574,072 km

• M1: 87,066 km (0.098 R)
• M2: 438,771 km (0.086 R)
• M3: 707,149 km (0.089 R)
• M4: 1,848,581 km (0.108 R)
• M5: 5,191,345 km (0.076 R)
• M6: 19,348,839 km (0.06 R)
• M7: 20,790,663 km (0.071 R)
• M8: 22,496,677 km (0.105 R)
• M9: 25,650,051 km (0.092 R)
• M10: 28,970,824 km (0.06 R)
• M11: 29,667,801 km (0.113 R)
• M12: 34,992,887 km (0.092 R)
• M13: 35,386,628 km (0.115 R)
• M14: 41,358,575 km (0.105 R)
• M15: 44,046,101 km (0.047 R)
• M16: 56,500,722 km (0.078 R)
• M17: 57,042,566 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.3

Radius: 3

Gravity: 63.92 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 9 AU - 12.4 AU

Year: 23340 Days

Day: 20.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 79,574,072 km

• M1: 38,147 km (0.056 R)
• M2: 540,946 km (0.101 R)
• M3: 712,535 km (0.065 R)
• M4: 895,792 km (0.082 R)
• M5: 1,004,998 km (0.106 R)
• M6: 1,136,794 km (0.073 R)
• M7: 1,265,149 km (0.052 R)
• M8: 1,602,792 km (0.07 R)
• M9: 2,452,956 km (0.1 R)
• M10: 3,163,397 km (0.105 R)
• M11: 3,841,673 km (0.082 R)
• M12: 4,576,199 km (0.118 R)
• M13: 6,100,003 km (0.102 R)
• M14: 8,137,975 km (0.044 R)
• M15: 8,999,359 km (0.103 R)
• M16: 9,801,503 km (0.072 R)
• M17: 11,945,689 km (0.088 R)
• M18: 13,270,229 km (0.119 R)
• M19: 14,612,421 km (0.115 R)
• M20: 15,636,269 km (0.034 R)
• M21: 16,960,808 km (0.11 R)
• M22: 17,825,633 km (0.075 R)
• M23: 18,901,541 km (0.091 R)
• M24: 21,182,011 km (0.114 R)
• M25: 25,601,880 km (0.081 R)
• M26: 25,714,079 km (0.044 R)
• M27: 30,346,975 km (0.078 R)
• M28: 30,598,599 km (0.094 R)
• M29: 32,793,050 km (0.112 R)
• M30: 34,131,652 km (0.115 R)
• M31: 35,228,354 km (0.095 R)
• M32: 35,506,157 km (0.1 R)
• M33: 40,001,274 km (0.107 R)
• M34: 40,303,761 km (0.095 R)
• M35: 41,994,067 km (0.101 R)
• M36: 43,571,277 km (0.084 R)
• M37: 46,010,321 km (0.091 R)
• M38: 58,407,048 km (0.09 R)
• M39: 69,095,217 km (0.072 R)
• M40: 69,312,583 km (0.102 R)
• M41: 76,978,128 km (0.117 R)
• M42: 79,574,099 km (0.117 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: 487 - 16,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit