🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.65 AU - 0.69 AU

Year: 349 Days

Day: 24.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 43.1 °

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 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418

Radius: 10.7

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.06 AU - 1.56 AU

Year: 953 Days

Day: 14.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,029,995 km

• M1: 133,441 km (0.083 R)
• M2: 484,996 km (0.078 R)
• M3: 839,693 km (0.103 R)
• M4: 1,507,348 km (0.086 R)
• M5: 1,883,437 km (0.117 R)
• M6: 2,426,627 km (0.092 R)
• M7: 2,770,553 km (0.117 R)
• M8: 3,684,596 km (0.048 R)
• M9: 4,157,474 km (0.119 R)
• M10: 5,882,637 km (0.089 R)
• M11: 7,248,166 km (0.096 R)
• M12: 7,873,635 km (0.076 R)
• M13: 8,310,311 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.1

Radius: 14.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.72 AU - 2.14 AU

Year: 1705 Days

Day: 8.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,029,995 km

• M1: 185,352 km (0.118 R)
• M2: 659,727 km (0.053 R)
• M3: 1,225,955 km (0.08 R)
• M4: 1,998,927 km (0.026 R)
• M5: 2,544,809 km (0.04 R)
• M6: 3,159,357 km (0.092 R)
• M7: 3,697,461 km (0.079 R)
• M8: 4,530,572 km (0.031 R)
• M9: 5,045,637 km (0.117 R)
• M10: 6,121,395 km (0.075 R)
• M11: 6,675,207 km (0.094 R)
• M12: 8,358,183 km (0.107 R)
• M13: 9,930,905 km (0.101 R)
• M14: 11,542,224 km (0.116 R)
• M15: 12,749,778 km (0.109 R)
• M16: 15,278,580 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.2

Radius: 11.8

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.23 AU - 3.23 AU

Year: 2868 Days

Day: 13.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,029,995 km

• M1: 150,047 km (0.109 R)
• M2: 807,380 km (0.112 R)
• M3: 1,962,874 km (0.028 R)
• M4: 2,482,128 km (0.086 R)
• M5: 3,020,830 km (0.107 R)
• M6: 3,636,724 km (0.105 R)
• M7: 5,556,065 km (0.12 R)
• M8: 6,016,826 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.4

Radius: 14.6

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.57 AU - 2.93 AU

Year: 2900 Days

Day: 12.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,029,995 km

• M1: 181,612 km (0.113 R)
• M2: 653,593 km (0.106 R)
• M3: 1,390,662 km (0.116 R)
• M4: 1,935,048 km (0.115 R)
• M5: 2,546,754 km (0.105 R)
• M6: 4,381,572 km (0.099 R)
• M7: 5,894,904 km (0.092 R)
• M8: 7,133,874 km (0.108 R)
• M9: 7,701,598 km (0.105 R)
• M10: 8,928,001 km (0.103 R)
• M11: 10,761,173 km (0.102 R)
• M12: 11,467,275 km (0.115 R)
• M13: 15,213,056 km (0.113 R)
• M14: 16,371,542 km (0.091 R)
• M15: 18,627,478 km (0.051 R)
• M16: 19,830,095 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.7

Radius: 12.1

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.45 AU - 3.15 AU

Year: 2979 Days

Day: 5.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,029,995 km

• M1: 150,495 km (0.075 R)
• M2: 698,921 km (0.04 R)
• M3: 1,083,986 km (0.102 R)
• M4: 1,816,118 km (0.113 R)
• M5: 2,904,143 km (0.107 R)
• M6: 3,695,965 km (0.078 R)
• M7: 4,236,911 km (0.111 R)
• M8: 4,693,783 km (0.082 R)
• M9: 5,528,689 km (0.084 R)
• M10: 7,097,521 km (0.118 R)
• M11: 8,230,576 km (0.05 R)
• M12: 8,633,892 km (0.072 R)
• M13: 10,112,966 km (0.057 R)
• M14: 10,498,180 km (0.114 R)
• M15: 11,338,920 km (0.034 R)
• M16: 13,154,590 km (0.079 R)
• M17: 13,567,629 km (0.107 R)
• M18: 14,760,672 km (0.119 R)
• M19: 15,764,474 km (0.073 R)
• M20: 16,599,829 km (0.052 R)
• M21: 20,421,755 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.7

Radius: 9.5

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.43 AU - 3.53 AU

Year: 4128 Days

Day: 7.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,029,995 km

• M1: 118,182 km (0.11 R)
• M2: 434,881 km (0.117 R)
• M3: 1,839,755 km (0.111 R)
• M4: 3,079,323 km (0.093 R)
• M5: 3,590,050 km (0.049 R)
• M6: 4,416,877 km (0.087 R)
• M7: 5,215,131 km (0.119 R)
• M8: 7,343,909 km (0.085 R)
• M9: 7,824,118 km (0.062 R)
• M10: 8,223,096 km (0.104 R)
• M11: 8,600,830 km (0.038 R)
• M12: 9,026,137 km (0.03 R)
• M13: 10,268,248 km (0.099 R)
• M14: 10,910,023 km (0.1 R)
• M15: 11,535,641 km (0.034 R)
• M16: 15,232,654 km (0.114 R)
• M17: 16,496,008 km (0.048 R)
• M18: 17,600,937 km (0.06 R)
• M19: 18,519,917 km (0.116 R)
• M20: 19,835,331 km (0.099 R)
• M21: 20,390,938 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.8

Radius: 10.2

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.47 AU - 5.37 AU

Year: 5908 Days

Day: 10.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,029,995 km

• M1: 131,048 km (0.09 R)
• M2: 521,648 km (0.091 R)
• M3: 945,608 km (0.097 R)
• M4: 1,295,368 km (0.112 R)
• M5: 2,056,971 km (0.11 R)
• M6: 2,714,902 km (0.085 R)
• M7: 3,072,740 km (0.056 R)
• M8: 3,716,310 km (0.063 R)
• M9: 4,447,395 km (0.11 R)
• M10: 6,127,230 km (0.078 R)
• M11: 6,466,817 km (0.096 R)
• M12: 6,854,874 km (0.109 R)
• M13: 8,194,223 km (0.108 R)
• M14: 10,116,107 km (0.108 R)
• M15: 13,029,975 km (0.057 R)
• M16: 13,479,367 km (0.091 R)
• M17: 14,290,785 km (0.084 R)
• M18: 20,303,124 km (0.097 R)
• M19: 27,721,383 km (0.118 R)
• M20: 28,465,483 km (0.061 R)
• M21: 29,414,233 km (0.086 R)
• M22: 31,475,093 km (0.065 R)
• M23: 32,285,016 km (0.077 R)
• M24: 34,797,811 km (0.067 R)
• M25: 37,101,170 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.2

Radius: 10

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.57 AU - 5.95 AU

Year: 6603 Days

Day: 13.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,029,995 km

• M1: 124,465 km (0.061 R)
• M2: 573,409 km (0.074 R)
• M3: 1,250,040 km (0.106 R)
• M4: 1,561,054 km (0.062 R)
• M5: 2,293,036 km (0.116 R)
• M6: 2,651,921 km (0.073 R)
• M7: 3,196,159 km (0.108 R)
• M8: 4,535,508 km (0.114 R)
• M9: 4,900,527 km (0.092 R)
• M10: 5,818,759 km (0.11 R)
• M11: 7,141,503 km (0.056 R)
• M12: 8,955,228 km (0.072 R)
• M13: 9,668,510 km (0.092 R)
• M14: 11,107,492 km (0.107 R)
• M15: 11,462,787 km (0.086 R)
• M16: 12,465,841 km (0.085 R)
• M17: 15,259,282 km (0.101 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 16,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit