🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.9

Radius: 14.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.77 AU - 0.87 AU

Year: 487 Days

Day: 13.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,414,997 km

• M1: 185,501 km (0.07 R)
• M2: 649,255 km (0.076 R)
• M3: 1,300,753 km (0.108 R)
• M4: 1,831,078 km (0.089 R)
• M5: 2,597,917 km (0.108 R)
• M6: 3,520,935 km (0.118 R)
• M7: 4,066,519 km (0.1 R)
• M8: 4,983,853 km (0.115 R)
• M9: 5,449,102 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.1

Radius: 10.8

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.01 AU - 1.53 AU

Year: 939 Days

Day: 8.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,414,997 km

• M1: 135,386 km (0.11 R)
• M2: 509,231 km (0.105 R)
• M3: 1,083,687 km (0.113 R)
• M4: 1,763,460 km (0.058 R)
• M5: 3,472,915 km (0.029 R)
• M6: 4,735,371 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.5

Radius: 8.9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.18 AU - 1.88 AU

Year: 1241 Days

Day: 7.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,414,997 km

• M1: 110,702 km (0.057 R)
• M2: 398,978 km (0.078 R)
• M3: 699,370 km (0.09 R)
• M4: 1,164,619 km (0.094 R)
• M5: 1,468,901 km (0.081 R)
• M6: 1,808,489 km (0.117 R)
• M7: 2,087,189 km (0.096 R)
• M8: 3,076,031 km (0.101 R)
• M9: 4,054,401 km (0.077 R)
• M10: 4,468,339 km (0.084 R)
• M11: 5,151,552 km (0.084 R)
• M12: 5,558,010 km (0.057 R)
• M13: 5,923,178 km (0.072 R)
• M14: 7,139,858 km (0.118 R)
• M15: 8,756,263 km (0.103 R)
• M16: 9,707,705 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.8

Radius: 10.1

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.91 AU - 2.07 AU

Year: 1842 Days

Day: 11.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,414,997 km

• M1: 125,812 km (0.118 R)
• M2: 476,619 km (0.04 R)
• M3: 896,839 km (0.069 R)
• M4: 1,265,149 km (0.108 R)
• M5: 1,960,630 km (0.119 R)
• M6: 2,424,832 km (0.072 R)
• M7: 2,787,158 km (0.115 R)
• M8: 3,452,120 km (0.098 R)
• M9: 4,115,737 km (0.049 R)
• M10: 4,450,985 km (0.078 R)
• M11: 5,484,408 km (0.113 R)
• M12: 5,869,472 km (0.092 R)
• M13: 6,434,504 km (0.101 R)
• M14: 7,620,815 km (0.102 R)
• M15: 11,216,400 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.5

Radius: 10

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.89 AU - 2.55 AU

Year: 2170 Days

Day: 13.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,414,997 km

• M1: 124,316 km (0.092 R)
• M2: 541,544 km (0.035 R)
• M3: 1,068,428 km (0.115 R)
• M4: 1,668,016 km (0.038 R)
• M5: 2,153,013 km (0.103 R)
• M6: 2,507,859 km (0.112 R)
• M7: 2,917,757 km (0.087 R)
• M8: 3,301,924 km (0.087 R)
• M9: 4,214,022 km (0.077 R)
• M10: 4,887,213 km (0.087 R)
• M11: 5,937,689 km (0.071 R)
• M12: 6,447,070 km (0.045 R)
• M13: 6,985,622 km (0.09 R)
• M14: 8,613,546 km (0.116 R)
• M15: 9,588,176 km (0.077 R)
• M16: 11,714,261 km (0.087 R)
• M17: 12,174,424 km (0.091 R)
• M18: 12,646,555 km (0.104 R)
• M19: 14,706,967 km (0.066 R)
• M20: 15,292,044 km (0.085 R)
• M21: 16,147,594 km (0.11 R)
• M22: 18,453,795 km (0.101 R)
• M23: 19,307,550 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.4

Radius: 14.2

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.02 AU - 5.56 AU

Year: 6877 Days

Day: 14.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,414,997 km

• M1: 176,675 km (0.062 R)
• M2: 690,843 km (0.073 R)
• M3: 1,456,934 km (0.092 R)
• M4: 4,040,638 km (0.111 R)
• M5: 4,712,034 km (0.094 R)
• M6: 6,548,497 km (0.091 R)
• M7: 7,552,897 km (0.109 R)
• M8: 10,943,383 km (0.046 R)
• M9: 16,548,217 km (0.098 R)
• M10: 17,131,350 km (0.107 R)
• M11: 32,781,980 km (0.087 R)
• M12: 34,326,129 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.6

Radius: 3.5

Gravity: 35.07 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.82 AU - 6.16 AU

Year: 9617 Days

Day: 20.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,414,997 km

• M1: 43,533 km (0.111 R)
• M2: 246,687 km (0.086 R)
• M3: 510,578 km (0.096 R)
• M4: 674,986 km (0.099 R)
• M5: 967,898 km (0.028 R)
• M6: 1,110,914 km (0.09 R)
• M7: 1,291,628 km (0.081 R)
• M8: 1,504,805 km (0.09 R)
• M9: 1,785,151 km (0.11 R)
• M10: 2,485,868 km (0.103 R)
• M11: 3,780,189 km (0.096 R)
• M12: 4,975,326 km (0.081 R)
• M13: 5,723,315 km (0.042 R)
• M14: 7,018,683 km (0.035 R)
• M15: 8,286,376 km (0.113 R)
• M16: 9,468,498 km (0.1 R)
• M17: 9,886,325 km (0.086 R)
• M18: 10,171,608 km (0.104 R)
• M19: 11,733,709 km (0.116 R)
• M20: 14,762,467 km (0.081 R)
• M21: 16,822,430 km (0.114 R)
• M22: 17,920,778 km (0.062 R)
• M23: 20,719,455 km (0.052 R)
• M24: 21,108,110 km (0.118 R)
• M25: 21,660,276 km (0.058 R)
• M26: 22,222,165 km (0.118 R)
• M27: 25,530,971 km (0.087 R)
• M28: 30,533,524 km (0.062 R)
• M29: 32,266,615 km (0.09 R)
• M30: 34,605,279 km (0.044 R)
• M31: 36,600,914 km (0.11 R)
• M32: 36,827,256 km (0.101 R)
• M33: 37,627,006 km (0.032 R)
• M34: 38,789,232 km (0.086 R)
• M35: 39,498,027 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.3

Radius: 5.9

Gravity: 15.44 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.8 AU - 11.1 AU

Year: 19057 Days

Day: 17 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,414,997 km

• M1: 73,752 km (0.112 R)
• M2: 307,124 km (0.109 R)
• M3: 608,265 km (0.071 R)
• M4: 1,000,062 km (0.098 R)
• M5: 1,500,467 km (0.114 R)
• M6: 1,780,663 km (0.106 R)
• M7: 3,401,108 km (0.109 R)
• M8: 4,224,793 km (0.117 R)
• M9: 5,815,916 km (0.111 R)
• M10: 6,014,433 km (0.096 R)
• M11: 6,258,427 km (0.065 R)
• M12: 6,766,611 km (0.104 R)
• M13: 7,256,245 km (0.089 R)
• M14: 8,405,904 km (0.026 R)
• M15: 10,409,020 km (0.062 R)
• M16: 10,880,403 km (0.037 R)
• M17: 11,993,411 km (0.077 R)
• M18: 12,380,570 km (0.086 R)
• M19: 13,180,171 km (0.108 R)
• M20: 15,029,649 km (0.084 R)
• M21: 15,938,905 km (0.115 R)
• M22: 16,804,030 km (0.118 R)
• M23: 18,117,798 km (0.087 R)
• M24: 21,227,788 km (0.055 R)
• M25: 22,274,225 km (0.114 R)
• M26: 26,153,747 km (0.111 R)
• M27: 26,477,926 km (0.109 R)
• M28: 26,695,590 km (0.035 R)
• M29: 27,024,257 km (0.074 R)
• M30: 31,060,707 km (0.084 R)
• M31: 33,665,804 km (0.111 R)
• M32: 42,348,464 km (0.094 R)
• M33: 48,084,795 km (0.093 R)
• M34: 49,554,444 km (0.103 R)
• M35: 51,899,540 km (0.11 R)
• M36: 52,754,792 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.2

Radius: 4.2

Gravity: 31.25 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.72 AU - 11.7 AU

Year: 19849 Days

Day: 15.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 70,414,997 km

• M1: 53,257 km (0.108 R)
• M2: 422,913 km (0.027 R)
• M3: 832,512 km (0.108 R)
• M4: 1,260,661 km (0.11 R)
• M5: 1,391,559 km (0.054 R)
• M6: 1,698,235 km (0.072 R)
• M7: 3,121,060 km (0.092 R)
• M8: 4,901,724 km (0.044 R)
• M9: 5,154,395 km (0.057 R)
• M10: 5,302,646 km (0.042 R)
• M11: 6,252,742 km (0.073 R)
• M12: 6,680,143 km (0.074 R)
• M13: 7,310,998 km (0.103 R)
• M14: 7,498,294 km (0.088 R)
• M15: 8,381,071 km (0.102 R)
• M16: 8,742,500 km (0.109 R)
• M17: 10,003,011 km (0.091 R)
• M18: 11,009,207 km (0.092 R)
• M19: 12,146,150 km (0.049 R)
• M20: 13,359,239 km (0.088 R)
• M21: 14,503,214 km (0.073 R)
• M22: 16,902,914 km (0.092 R)
• M23: 19,734,502 km (0.072 R)
• M24: 21,214,773 km (0.065 R)
• M25: 22,176,538 km (0.048 R)
• M26: 22,866,783 km (0.107 R)
• M27: 25,023,685 km (0.108 R)
• M28: 26,205,657 km (0.12 R)
• M29: 27,650,174 km (0.044 R)
• M30: 29,381,770 km (0.11 R)
• M31: 31,925,532 km (0.108 R)
• M32: 33,829,763 km (0.069 R)
• M33: 36,213,306 km (0.104 R)
• M34: 37,445,843 km (0.108 R)
• M35: 42,656,636 km (0.095 R)
• M36: 50,835,451 km (0.076 R)
• M37: 52,379,450 km (0.037 R)
• M38: 56,466,614 km (0.102 R)
• M39: 59,999,368 km (0.097 R)
• M40: 63,676,483 km (0.113 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 12,748 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit