🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.52 AU - 0.76 AU

Year: 336 Days

Day: 37.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.54 AU - 0.76 AU

Year: 344 Days

Day: 43.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.2

Radius: 14.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.25 AU - 1.39 AU

Year: 995 Days

Day: 9.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,912,660 km

• M1: 179,368 km (0.073 R)
• M2: 645,964 km (0.065 R)
• M3: 1,198,279 km (0.102 R)
• M4: 1,685,818 km (0.113 R)
• M5: 2,276,431 km (0.11 R)
• M6: 3,043,120 km (0.107 R)
• M7: 3,509,566 km (0.09 R)
• M8: 4,072,054 km (0.112 R)
• M9: 4,946,304 km (0.089 R)
• M10: 5,517,020 km (0.084 R)
• M11: 6,544,159 km (0.115 R)
• M12: 7,474,358 km (0.103 R)
• M13: 8,073,647 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779

Radius: 9.5

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.59 AU - 2.53 AU

Year: 1940 Days

Day: 6.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,912,660 km

• M1: 119,379 km (0.052 R)
• M2: 475,721 km (0.102 R)
• M3: 1,545,795 km (0.092 R)
• M4: 2,391,920 km (0.039 R)
• M5: 3,695,815 km (0.109 R)
• M6: 4,221,353 km (0.102 R)
• M7: 4,817,351 km (0.099 R)
• M8: 7,029,006 km (0.112 R)
• M9: 8,263,188 km (0.081 R)
• M10: 9,499,315 km (0.051 R)
• M11: 10,854,522 km (0.11 R)
• M12: 11,384,996 km (0.098 R)
• M13: 11,892,881 km (0.091 R)
• M14: 12,870,204 km (0.08 R)
• M15: 13,464,556 km (0.112 R)
• M16: 13,944,317 km (0.085 R)
• M17: 16,565,421 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.1

Radius: 11.4

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.28 AU - 3.44 AU

Year: 3173 Days

Day: 13.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 145.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,912,660 km

• M1: 142,567 km (0.111 R)
• M2: 613,950 km (0.108 R)
• M3: 1,182,571 km (0.074 R)
• M4: 2,036,476 km (0.08 R)
• M5: 2,870,783 km (0.082 R)
• M6: 3,472,765 km (0.076 R)
• M7: 3,958,509 km (0.082 R)
• M8: 4,446,946 km (0.089 R)
• M9: 4,952,587 km (0.097 R)
• M10: 5,374,752 km (0.031 R)
• M11: 7,045,761 km (0.091 R)
• M12: 7,827,709 km (0.094 R)
• M13: 8,902,420 km (0.092 R)
• M14: 10,637,905 km (0.1 R)
• M15: 11,303,466 km (0.057 R)
• M16: 11,707,978 km (0.067 R)
• M17: 12,205,840 km (0.062 R)
• M18: 13,423,118 km (0.103 R)
• M19: 15,595,728 km (0.1 R)
• M20: 16,301,231 km (0.117 R)
• M21: 17,938,879 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.7

Radius: 11.6

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.27 AU - 5.17 AU

Year: 6727 Days

Day: 7.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,912,660 km

• M1: 144,212 km (0.1 R)
• M2: 874,400 km (0.104 R)
• M3: 1,576,911 km (0.077 R)
• M4: 2,590,287 km (0.074 R)
• M5: 2,957,550 km (0.118 R)
• M6: 3,563,122 km (0.092 R)
• M7: 4,488,834 km (0.111 R)
• M8: 5,822,798 km (0.086 R)
• M9: 6,812,837 km (0.07 R)
• M10: 7,291,550 km (0.087 R)
• M11: 7,871,840 km (0.076 R)
• M12: 8,441,060 km (0.113 R)
• M13: 9,753,332 km (0.062 R)
• M14: 10,362,495 km (0.118 R)
• M15: 12,724,047 km (0.082 R)
• M16: 13,508,987 km (0.076 R)
• M17: 14,505,010 km (0.094 R)
• M18: 16,316,341 km (0.117 R)
• M19: 17,994,978 km (0.118 R)
• M20: 20,008,566 km (0.114 R)
• M21: 24,139,412 km (0.065 R)
• M22: 25,341,879 km (0.03 R)
• M23: 28,901,710 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.3

Radius: 12.9

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.93 AU - 5.15 AU

Year: 7423 Days

Day: 12.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,912,660 km

• M1: 160,967 km (0.064 R)
• M2: 624,870 km (0.082 R)
• M3: 1,412,204 km (0.106 R)
• M4: 1,821,204 km (0.103 R)
• M5: 2,262,668 km (0.111 R)
• M6: 3,829,705 km (0.053 R)
• M7: 5,450,748 km (0.037 R)
• M8: 6,415,205 km (0.117 R)
• M9: 7,490,216 km (0.069 R)
• M10: 8,803,535 km (0.05 R)
• M11: 9,775,622 km (0.074 R)
• M12: 10,310,435 km (0.087 R)
• M13: 11,341,912 km (0.118 R)
• M14: 12,236,059 km (0.095 R)
• M15: 13,719,621 km (0.066 R)
• M16: 15,618,466 km (0.104 R)
• M17: 19,025,708 km (0.118 R)
• M18: 22,513,881 km (0.103 R)
• M19: 26,407,465 km (0.102 R)
• M20: 28,603,412 km (0.105 R)
• M21: 30,539,957 km (0.095 R)
• M22: 31,108,877 km (0.112 R)
• M23: 32,660,955 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.4

Radius: 7.5

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.75 AU - 9.13 AU

Year: 13313 Days

Day: 24 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,912,660 km

• M1: 93,199 km (0.061 R)
• M2: 346,768 km (0.102 R)
• M3: 595,400 km (0.025 R)
• M4: 844,031 km (0.109 R)
• M5: 1,424,920 km (0.072 R)
• M6: 1,680,283 km (0.077 R)
• M7: 2,192,806 km (0.042 R)
• M8: 3,402,753 km (0.039 R)
• M9: 4,483,448 km (0.097 R)
• M10: 4,724,450 km (0.1 R)
• M11: 6,246,309 km (0.084 R)
• M12: 6,898,107 km (0.095 R)
• M13: 7,851,195 km (0.093 R)
• M14: 8,247,031 km (0.079 R)
• M15: 10,908,228 km (0.074 R)
• M16: 13,153,094 km (0.081 R)
• M17: 15,415,013 km (0.095 R)
• M18: 17,328,221 km (0.114 R)
• M19: 18,610,873 km (0.086 R)
• M20: 20,118,071 km (0.057 R)
• M21: 21,962,763 km (0.089 R)
• M22: 25,600,833 km (0.043 R)
• M23: 36,775,944 km (0.041 R)
• M24: 37,020,237 km (0.091 R)
• M25: 37,512,115 km (0.069 R)
• M26: 38,258,010 km (0.087 R)
• M27: 45,985,338 km (0.086 R)
• M28: 49,465,583 km (0.042 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 13,639 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit