🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.3

Radius: 11.1

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.71 AU - 0.99 AU

Year: 514 Days

Day: 8 Hours

Environment

Temp: -157 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,063,954 km

• M1: 138,079 km (0.08 R)
• M2: 550,071 km (0.073 R)
• M3: 920,625 km (0.071 R)
• M4: 1,437,785 km (0.074 R)
• M5: 1,809,237 km (0.065 R)
• M6: 2,283,462 km (0.102 R)
• M7: 2,975,202 km (0.112 R)
• M8: 3,680,556 km (0.042 R)
• M9: 4,109,005 km (0.111 R)
• M10: 5,546,042 km (0.115 R)
• M11: 6,054,974 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.6

Radius: 9.9

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.14 AU - 1.4 AU

Year: 939 Days

Day: 11.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,063,954 km

• M1: 126,111 km (0.051 R)
• M2: 647,609 km (0.042 R)
• M3: 1,000,062 km (0.098 R)
• M4: 1,687,165 km (0.044 R)
• M5: 2,173,358 km (0.1 R)
• M6: 2,576,225 km (0.058 R)
• M7: 3,076,929 km (0.11 R)
• M8: 3,402,604 km (0.105 R)
• M9: 4,213,274 km (0.042 R)
• M10: 4,696,775 km (0.045 R)
• M11: 5,887,574 km (0.08 R)
• M12: 6,332,777 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.1

Radius: 9.7

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1 AU - 1.64 AU

Year: 995 Days

Day: 5.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,063,954 km

• M1: 120,576 km (0.053 R)
• M2: 462,706 km (0.096 R)
• M3: 827,127 km (0.104 R)
• M4: 1,361,640 km (0.083 R)
• M5: 1,818,661 km (0.11 R)
• M6: 2,265,061 km (0.091 R)
• M7: 2,836,376 km (0.09 R)
• M8: 3,249,266 km (0.094 R)
• M9: 3,613,088 km (0.114 R)
• M10: 4,423,459 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.4

Radius: 13.3

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.69 AU - 2.11 AU

Year: 1718 Days

Day: 6.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,063,954 km

• M1: 165,455 km (0.092 R)
• M2: 610,210 km (0.114 R)
• M3: 1,142,479 km (0.113 R)
• M4: 1,934,300 km (0.029 R)
• M5: 2,600,460 km (0.117 R)
• M6: 3,038,931 km (0.069 R)
• M7: 5,467,204 km (0.067 R)
• M8: 6,053,328 km (0.112 R)
• M9: 7,011,054 km (0.087 R)
• M10: 8,010,667 km (0.081 R)
• M11: 8,648,851 km (0.088 R)
• M12: 9,133,997 km (0.059 R)
• M13: 9,701,721 km (0.077 R)
• M14: 12,061,628 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.3

Radius: 13.4

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.97 AU - 3.05 AU

Year: 2609 Days

Day: 14.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,063,954 km

• M1: 166,652 km (0.112 R)
• M2: 614,099 km (0.083 R)
• M3: 1,068,428 km (0.095 R)
• M4: 1,824,496 km (0.104 R)
• M5: 2,277,628 km (0.06 R)
• M6: 2,730,760 km (0.062 R)
• M7: 3,278,437 km (0.112 R)
• M8: 4,510,974 km (0.111 R)
• M9: 6,032,385 km (0.058 R)
• M10: 9,410,155 km (0.101 R)
• M11: 10,249,997 km (0.032 R)
• M12: 14,877,209 km (0.112 R)
• M13: 16,323,970 km (0.08 R)
• M14: 17,482,606 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.6

Radius: 9.1

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.19 AU - 6.17 AU

Year: 8880 Days

Day: 14 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,063,954 km

• M1: 113,246 km (0.112 R)
• M2: 451,786 km (0.078 R)
• M3: 874,100 km (0.047 R)
• M4: 1,239,867 km (0.107 R)
• M5: 1,551,928 km (0.113 R)
• M6: 2,305,602 km (0.103 R)
• M7: 3,821,178 km (0.077 R)
• M8: 4,363,022 km (0.069 R)
• M9: 5,388,964 km (0.104 R)
• M10: 7,346,153 km (0.078 R)
• M11: 8,708,840 km (0.115 R)
• M12: 9,824,840 km (0.107 R)
• M13: 20,733,068 km (0.08 R)
• M14: 22,712,398 km (0.055 R)
• M15: 24,898,022 km (0.071 R)
• M16: 25,402,167 km (0.029 R)
• M17: 25,913,044 km (0.118 R)
• M18: 26,343,886 km (0.112 R)
• M19: 27,397,653 km (0.111 R)
• M20: 28,846,209 km (0.095 R)
• M21: 29,589,262 km (0.107 R)
• M22: 31,993,599 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.9

Radius: 6.9

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.44 AU - 7.6 AU

Year: 12202 Days

Day: 18.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,063,954 km

• M1: 89,160 km (0.103 R)
• M2: 350,657 km (0.028 R)
• M3: 587,620 km (0.096 R)
• M4: 877,840 km (0.034 R)
• M5: 4,045,126 km (0.092 R)
• M6: 4,982,357 km (0.1 R)
• M7: 5,844,639 km (0.099 R)
• M8: 6,348,335 km (0.058 R)
• M9: 6,648,877 km (0.091 R)
• M10: 6,880,455 km (0.068 R)
• M11: 7,649,837 km (0.026 R)
• M12: 9,551,674 km (0.103 R)
• M13: 13,571,369 km (0.079 R)
• M14: 15,984,383 km (0.106 R)
• M15: 22,755,332 km (0.093 R)
• M16: 23,017,876 km (0.099 R)
• M17: 24,361,265 km (0.079 R)
• M18: 25,378,980 km (0.105 R)
• M19: 30,470,393 km (0.052 R)
• M20: 31,003,411 km (0.077 R)
• M21: 41,302,027 km (0.047 R)
• M22: 42,349,811 km (0.112 R)
• M23: 42,747,292 km (0.038 R)
• M24: 44,226,067 km (0.041 R)
• M25: 46,718,667 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.8

Radius: 5.3

Gravity: 20.39 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 8.21 AU - 13.59 AU

Year: 23607 Days

Day: 24.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,063,954 km

• M1: 67,917 km (0.041 R)
• M2: 406,009 km (0.114 R)
• M3: 860,936 km (0.106 R)
• M4: 1,228,049 km (0.101 R)
• M5: 2,662,842 km (0.069 R)
• M6: 2,966,975 km (0.036 R)
• M7: 3,182,545 km (0.097 R)
• M8: 3,350,992 km (0.099 R)
• M9: 5,340,943 km (0.118 R)
• M10: 6,294,181 km (0.12 R)
• M11: 6,742,077 km (0.072 R)
• M12: 7,068,051 km (0.027 R)
• M13: 7,801,978 km (0.112 R)
• M14: 8,266,030 km (0.09 R)
• M15: 10,553,382 km (0.081 R)
• M16: 12,732,873 km (0.115 R)
• M17: 15,195,105 km (0.062 R)
• M18: 17,869,017 km (0.037 R)
• M19: 18,856,213 km (0.097 R)
• M20: 20,356,381 km (0.058 R)
• M21: 20,646,152 km (0.067 R)
• M22: 26,118,143 km (0.086 R)
• M23: 26,921,483 km (0.097 R)
• M24: 30,804,446 km (0.066 R)
• M25: 32,351,736 km (0.091 R)
• M26: 33,011,613 km (0.097 R)
• M27: 37,592,748 km (0.079 R)
• M28: 39,959,087 km (0.074 R)
• M29: 48,676,305 km (0.08 R)
• M30: 52,382,442 km (0.048 R)
• M31: 52,744,918 km (0.086 R)
• M32: 54,396,628 km (0.09 R)
• M33: 59,361,931 km (0.104 R)
• M34: 69,742,976 km (0.057 R)
• M35: 78,632,680 km (0.08 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: 213 - 18,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit