🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.63 AU - 2.73 AU

Year: 1662 Days

Day: 31.8 Hours

Environment

Temp: -99 °C

Axial Tilt: 24.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.92 AU - 2.98 AU

Year: 1919 Days

Day: 38.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.34 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.4

Radius: 13.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.63 AU - 6.81 AU

Year: 5181 Days

Day: 10.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,611,549 km

• M1: 171,738 km (0.068 R)
• M2: 1,026,690 km (0.11 R)
• M3: 1,651,261 km (0.061 R)
• M4: 2,357,064 km (0.081 R)
• M5: 2,804,511 km (0.075 R)
• M6: 3,538,588 km (0.076 R)
• M7: 4,440,065 km (0.088 R)
• M8: 5,840,151 km (0.11 R)
• M9: 6,340,107 km (0.105 R)
• M10: 7,217,349 km (0.098 R)
• M11: 8,045,972 km (0.063 R)
• M12: 8,767,333 km (0.082 R)
• M13: 9,318,900 km (0.119 R)
• M14: 12,690,387 km (0.11 R)
• M15: 15,626,096 km (0.115 R)
• M16: 16,181,553 km (0.106 R)
• M17: 16,960,210 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.4

Radius: 9.5

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.5 AU - 8.38 AU

Year: 6924 Days

Day: 7.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,611,549 km

• M1: 118,182 km (0.116 R)
• M2: 482,304 km (0.113 R)
• M3: 786,436 km (0.064 R)
• M4: 1,138,290 km (0.046 R)
• M5: 2,328,940 km (0.119 R)
• M6: 2,863,602 km (0.075 R)
• M7: 4,204,897 km (0.07 R)
• M8: 4,850,561 km (0.085 R)
• M9: 5,691,301 km (0.095 R)
• M10: 6,338,911 km (0.113 R)
• M11: 8,841,982 km (0.035 R)
• M12: 9,523,251 km (0.075 R)
• M13: 9,948,558 km (0.067 R)
• M14: 11,511,257 km (0.087 R)
• M15: 13,465,304 km (0.059 R)
• M16: 14,551,834 km (0.062 R)
• M17: 15,116,566 km (0.089 R)
• M18: 16,024,026 km (0.097 R)
• M19: 17,243,548 km (0.061 R)
• M20: 19,562,764 km (0.101 R)
• M21: 21,513,670 km (0.088 R)
• M22: 22,828,186 km (0.118 R)
• M23: 26,625,579 km (0.119 R)
• M24: 27,092,922 km (0.045 R)
• M25: 27,756,090 km (0.113 R)
• M26: 30,824,342 km (0.114 R)
• M27: 34,773,875 km (0.056 R)
• M28: 36,927,486 km (0.05 R)
• M29: 39,288,889 km (0.107 R)
• M30: 42,253,171 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.7

Radius: 13.5

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.91 AU - 7.27 AU

Year: 7150 Days

Day: 8.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,611,549 km

• M1: 173,683 km (0.076 R)
• M2: 1,108,819 km (0.118 R)
• M3: 2,287,501 km (0.108 R)
• M4: 3,658,865 km (0.112 R)
• M5: 4,728,340 km (0.079 R)
• M6: 5,294,269 km (0.028 R)
• M7: 7,768,019 km (0.079 R)
• M8: 12,722,252 km (0.098 R)
• M9: 13,983,811 km (0.084 R)
• M10: 17,125,366 km (0.097 R)
• M11: 21,280,746 km (0.109 R)
• M12: 30,047,181 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.6

Radius: 12

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.98 AU - 10 AU

Year: 10209 Days

Day: 6.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,611,549 km

• M1: 150,346 km (0.104 R)
• M2: 755,170 km (0.112 R)
• M3: 1,427,463 km (0.098 R)
• M4: 1,922,931 km (0.105 R)
• M5: 2,828,148 km (0.109 R)
• M6: 3,390,486 km (0.102 R)
• M7: 5,029,480 km (0.112 R)
• M8: 6,421,638 km (0.108 R)
• M9: 7,061,767 km (0.101 R)
• M10: 7,569,353 km (0.12 R)
• M11: 9,289,878 km (0.03 R)
• M12: 9,952,298 km (0.105 R)
• M13: 10,429,066 km (0.107 R)
• M14: 13,171,793 km (0.094 R)
• M15: 14,675,551 km (0.038 R)
• M16: 16,509,920 km (0.089 R)
• M17: 19,377,412 km (0.116 R)
• M18: 23,201,134 km (0.094 R)
• M19: 24,708,183 km (0.111 R)
• M20: 32,189,722 km (0.112 R)
• M21: 33,705,896 km (0.115 R)
• M22: 35,391,565 km (0.074 R)
• M23: 39,191,501 km (0.094 R)
• M24: 47,741,019 km (0.086 R)
• M25: 51,106,522 km (0.096 R)
• M26: 53,489,766 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704

Radius: 5.8

Gravity: 20.93 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 12.73 AU - 14.55 AU

Year: 19080 Days

Day: 20.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,611,549 km

• M1: 74,201 km (0.081 R)
• M2: 263,292 km (0.099 R)
• M3: 550,520 km (0.117 R)
• M4: 760,556 km (0.036 R)
• M5: 1,739,225 km (0.033 R)
• M6: 1,980,676 km (0.066 R)
• M7: 2,286,753 km (0.035 R)
• M8: 4,119,177 km (0.07 R)
• M9: 4,901,574 km (0.095 R)
• M10: 5,121,034 km (0.088 R)
• M11: 5,462,566 km (0.119 R)
• M12: 7,790,309 km (0.057 R)
• M13: 8,396,629 km (0.113 R)
• M14: 9,817,809 km (0.12 R)
• M15: 10,464,670 km (0.12 R)
• M16: 12,373,090 km (0.075 R)
• M17: 16,698,114 km (0.099 R)
• M18: 17,703,711 km (0.097 R)
• M19: 24,920,462 km (0.106 R)
• M20: 26,679,135 km (0.081 R)
• M21: 28,284,170 km (0.068 R)
• M22: 34,542,298 km (0.059 R)
• M23: 40,019,824 km (0.085 R)
• M24: 48,856,271 km (0.118 R)
• M25: 51,252,380 km (0.117 R)
• M26: 62,807,918 km (0.094 R)
• M27: 64,414,749 km (0.073 R)
• M28: 69,186,622 km (0.116 R)
• M29: 72,203,711 km (0.08 R)
• M30: 73,523,165 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.1

Radius: 4.7

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 17.28 AU - 19.8 AU

Year: 30235 Days

Day: 16.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,611,549 km

• M1: 96,491 km (0.078 R)
• M2: 269,875 km (0.107 R)
• M3: 514,916 km (0.065 R)
• M4: 674,836 km (0.082 R)
• M5: 1,175,091 km (0.12 R)
• M6: 1,412,503 km (0.12 R)
• M7: 2,198,640 km (0.065 R)
• M8: 2,515,937 km (0.081 R)
• M9: 3,241,786 km (0.109 R)
• M10: 4,191,284 km (0.09 R)
• M11: 4,414,334 km (0.081 R)
• M12: 12,254,310 km (0.106 R)
• M13: 16,699,910 km (0.115 R)
• M14: 18,589,779 km (0.065 R)
• M15: 20,709,132 km (0.073 R)
• M16: 22,886,230 km (0.091 R)
• M17: 26,055,312 km (0.12 R)
• M18: 27,356,663 km (0.104 R)
• M19: 34,906,120 km (0.118 R)
• M20: 54,459,010 km (0.109 R)
• M21: 55,867,325 km (0.09 R)
• M22: 61,743,828 km (0.11 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 10,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit