🌌 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: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.2

Radius: 9.7

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.59 AU - 0.61 AU

Year: 327 Days

Day: 6.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,129,134 km

• M1: 120,576 km (0.11 R)
• M2: 427,401 km (0.061 R)
• M3: 902,674 km (0.103 R)
• M4: 1,280,408 km (0.086 R)
• M5: 1,921,734 km (0.097 R)
• M6: 2,224,371 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.3

Radius: 11.8

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.97 AU - 2.91 AU

Year: 2679 Days

Day: 11.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,129,134 km

• M1: 146,756 km (0.116 R)
• M2: 3,089,495 km (0.096 R)
• M3: 3,670,533 km (0.06 R)
• M4: 4,700,664 km (0.117 R)
• M5: 5,994,985 km (0.086 R)
• M6: 6,465,919 km (0.084 R)
• M7: 7,081,814 km (0.037 R)
• M8: 8,741,303 km (0.089 R)
• M9: 9,239,015 km (0.085 R)
• M10: 10,766,260 km (0.117 R)
• M11: 11,297,182 km (0.102 R)
• M12: 13,178,675 km (0.064 R)
• M13: 14,461,925 km (0.097 R)
• M14: 15,058,372 km (0.069 R)
• M15: 18,175,244 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.7

Radius: 10.1

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.45 AU - 3.11 AU

Year: 3258 Days

Day: 10.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,129,134 km

• M1: 130,449 km (0.089 R)
• M2: 540,348 km (0.112 R)
• M3: 1,119,291 km (0.088 R)
• M4: 1,660,387 km (0.093 R)
• M5: 2,146,729 km (0.047 R)
• M6: 3,244,628 km (0.096 R)
• M7: 4,253,516 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.7

Radius: 13

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.6 AU - 3.41 AU

Year: 3653 Days

Day: 10.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,129,134 km

• M1: 163,211 km (0.08 R)
• M2: 581,337 km (0.112 R)
• M3: 1,025,344 km (0.063 R)
• M4: 1,456,934 km (0.076 R)
• M5: 2,402,991 km (0.118 R)
• M6: 3,244,778 km (0.107 R)
• M7: 4,137,578 km (0.095 R)
• M8: 4,581,584 km (0.091 R)
• M9: 5,031,575 km (0.111 R)
• M10: 5,483,660 km (0.1 R)
• M11: 6,718,740 km (0.099 R)
• M12: 9,023,145 km (0.067 R)
• M13: 11,001,128 km (0.042 R)
• M14: 12,185,943 km (0.067 R)
• M15: 12,809,318 km (0.088 R)
• M16: 14,647,576 km (0.061 R)
• M17: 17,665,414 km (0.091 R)
• M18: 18,092,815 km (0.049 R)
• M19: 18,527,098 km (0.12 R)
• M20: 20,267,819 km (0.104 R)
• M21: 22,115,352 km (0.103 R)
• M22: 24,447,434 km (0.09 R)
• M23: 26,459,525 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.7

Radius: 10.2

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.32 AU - 4.12 AU

Year: 5043 Days

Day: 5.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,129,134 km

• M1: 127,158 km (0.104 R)
• M2: 552,016 km (0.097 R)
• M3: 896,690 km (0.071 R)
• M4: 1,707,959 km (0.1 R)
• M5: 2,817,526 km (0.108 R)
• M6: 4,327,717 km (0.099 R)
• M7: 5,934,398 km (0.103 R)
• M8: 6,616,265 km (0.115 R)
• M9: 6,958,994 km (0.097 R)
• M10: 8,253,015 km (0.073 R)
• M11: 9,019,405 km (0.086 R)
• M12: 9,398,785 km (0.088 R)
• M13: 10,234,439 km (0.098 R)
• M14: 10,647,329 km (0.048 R)
• M15: 12,003,135 km (0.099 R)
• M16: 12,462,550 km (0.09 R)
• M17: 13,525,443 km (0.091 R)
• M18: 14,361,396 km (0.086 R)
• M19: 14,821,110 km (0.069 R)
• M20: 15,830,895 km (0.112 R)
• M21: 17,723,458 km (0.073 R)
• M22: 18,521,264 km (0.104 R)
• M23: 20,403,354 km (0.108 R)
• M24: 20,984,841 km (0.109 R)
• M25: 22,333,317 km (0.086 R)
• M26: 25,036,700 km (0.093 R)
• M27: 26,125,623 km (0.112 R)
• M28: 26,638,743 km (0.074 R)
• M29: 31,563,804 km (0.109 R)
• M30: 32,636,571 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.5

Radius: 8.4

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.7 AU - 4.52 AU

Year: 5857 Days

Day: 8.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,129,134 km

• M1: 104,419 km (0.12 R)
• M2: 407,804 km (0.087 R)
• M3: 684,261 km (0.036 R)
• M4: 955,930 km (0.074 R)
• M5: 1,342,641 km (0.088 R)
• M6: 1,692,999 km (0.12 R)
• M7: 2,748,412 km (0.086 R)
• M8: 3,088,897 km (0.106 R)
• M9: 4,353,747 km (0.105 R)
• M10: 5,562,797 km (0.083 R)
• M11: 6,820,167 km (0.074 R)
• M12: 7,549,756 km (0.058 R)
• M13: 7,898,169 km (0.115 R)
• M14: 8,740,405 km (0.112 R)
• M15: 9,763,056 km (0.057 R)
• M16: 11,398,460 km (0.104 R)
• M17: 12,472,573 km (0.118 R)
• M18: 14,340,003 km (0.075 R)
• M19: 15,147,682 km (0.089 R)
• M20: 15,758,939 km (0.114 R)
• M21: 16,099,274 km (0.051 R)
• M22: 16,794,605 km (0.075 R)
• M23: 17,997,821 km (0.091 R)
• M24: 22,304,893 km (0.075 R)
• M25: 23,168,671 km (0.109 R)
• M26: 24,054,739 km (0.105 R)
• M27: 25,039,991 km (0.048 R)
• M28: 25,737,566 km (0.105 R)
• M29: 26,209,846 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.2

Radius: 10.7

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.11 AU - 5.13 AU

Year: 6980 Days

Day: 10.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,129,134 km

• M1: 139,874 km (0.048 R)
• M2: 613,650 km (0.111 R)
• M3: 1,717,234 km (0.027 R)
• M4: 2,285,706 km (0.118 R)
• M5: 4,301,537 km (0.09 R)
• M6: 6,075,918 km (0.065 R)
• M7: 7,962,945 km (0.06 R)
• M8: 9,999,870 km (0.069 R)
• M9: 12,217,060 km (0.088 R)
• M10: 13,414,591 km (0.103 R)
• M11: 15,638,961 km (0.12 R)
• M12: 16,689,288 km (0.068 R)
• M13: 24,075,982 km (0.092 R)
• M14: 25,316,896 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.3

Radius: 7.3

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.15 AU - 8.59 AU

Year: 15519 Days

Day: 15.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,129,134 km

• M1: 90,806 km (0.114 R)
• M2: 342,280 km (0.085 R)
• M3: 575,054 km (0.12 R)
• M4: 851,810 km (0.053 R)
• M5: 1,305,690 km (0.075 R)
• M6: 2,066,994 km (0.095 R)
• M7: 3,093,983 km (0.087 R)
• M8: 4,048,418 km (0.118 R)
• M9: 5,993,190 km (0.074 R)
• M10: 7,809,607 km (0.03 R)
• M11: 9,109,014 km (0.025 R)
• M12: 10,332,575 km (0.099 R)
• M13: 12,248,326 km (0.029 R)
• M14: 13,671,151 km (0.107 R)
• M15: 18,205,014 km (0.099 R)
• M16: 18,913,808 km (0.064 R)
• M17: 24,970,877 km (0.105 R)
• M18: 28,486,875 km (0.087 R)
• M19: 28,802,676 km (0.114 R)
• M20: 36,854,483 km (0.107 R)
• M21: 37,229,674 km (0.117 R)
• M22: 44,284,261 km (0.083 R)
• M23: 47,901,089 km (0.089 R)
• M24: 50,778,005 km (0.095 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 17,114 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit