🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.44 AU - 0.72 AU

Year: 158 Days

Day: 39.5 Hours

Environment

Temp: 219 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,839,157 km

• M1: 50,564 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.99 AU - 2.47 AU

Year: 1193 Days

Day: 32.4 Hours

Environment

Temp: -80 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.22 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117

Radius: 13.5

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.88 AU - 6.52 AU

Year: 5529 Days

Day: 5.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,839,157 km

• M1: 169,794 km (0.04 R)
• M2: 928,853 km (0.092 R)
• M3: 3,072,591 km (0.075 R)
• M4: 3,559,532 km (0.102 R)
• M5: 4,001,444 km (0.029 R)
• M6: 5,224,107 km (0.094 R)
• M7: 5,822,648 km (0.086 R)
• M8: 7,100,663 km (0.048 R)
• M9: 7,536,142 km (0.074 R)
• M10: 9,152,996 km (0.098 R)
• M11: 10,838,216 km (0.08 R)
• M12: 16,266,076 km (0.076 R)
• M13: 16,719,208 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.4

Radius: 11.7

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.17 AU - 8.45 AU

Year: 6365 Days

Day: 14.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,839,157 km

• M1: 146,905 km (0.059 R)
• M2: 1,109,567 km (0.077 R)
• M3: 1,680,134 km (0.114 R)
• M4: 2,740,483 km (0.114 R)
• M5: 5,525,397 km (0.118 R)
• M6: 6,269,048 km (0.07 R)
• M7: 17,265,240 km (0.094 R)
• M8: 18,388,720 km (0.117 R)
• M9: 19,680,198 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.6

Radius: 12.8

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.76 AU - 8.68 AU

Year: 6948 Days

Day: 10.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,839,157 km

• M1: 159,172 km (0.066 R)
• M2: 735,722 km (0.103 R)
• M3: 1,241,513 km (0.071 R)
• M4: 1,697,337 km (0.115 R)
• M5: 2,403,439 km (0.12 R)
• M6: 3,298,035 km (0.049 R)
• M7: 4,622,125 km (0.079 R)
• M8: 5,742,165 km (0.095 R)
• M9: 7,786,120 km (0.091 R)
• M10: 9,050,821 km (0.105 R)
• M11: 11,471,763 km (0.052 R)
• M12: 12,906,108 km (0.083 R)
• M13: 14,137,298 km (0.102 R)
• M14: 18,050,329 km (0.116 R)
• M15: 19,986,425 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.8

Radius: 13.6

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 10.69 AU - 10.71 AU

Year: 12536 Days

Day: 9.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,839,157 km

• M1: 170,841 km (0.108 R)
• M2: 747,092 km (0.105 R)
• M3: 1,328,130 km (0.084 R)
• M4: 1,794,426 km (0.072 R)
• M5: 2,315,775 km (0.031 R)
• M6: 2,959,943 km (0.104 R)
• M7: 3,421,752 km (0.115 R)
• M8: 4,233,620 km (0.069 R)
• M9: 5,235,626 km (0.045 R)
• M10: 6,389,923 km (0.039 R)
• M11: 7,128,039 km (0.071 R)
• M12: 7,922,105 km (0.06 R)
• M13: 10,662,289 km (0.09 R)
• M14: 13,171,195 km (0.088 R)
• M15: 13,729,195 km (0.101 R)
• M16: 18,240,319 km (0.09 R)
• M17: 20,457,359 km (0.086 R)
• M18: 26,579,951 km (0.09 R)
• M19: 28,796,543 km (0.091 R)
• M20: 31,133,860 km (0.073 R)
• M21: 31,682,136 km (0.039 R)
• M22: 32,125,544 km (0.032 R)
• M23: 35,703,028 km (0.101 R)
• M24: 38,272,222 km (0.116 R)
• M25: 38,901,729 km (0.109 R)
• M26: 46,716,722 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.9

Radius: 3

Gravity: 73.1 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 13.13 AU - 17.87 AU

Year: 21856 Days

Day: 21.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 77,839,157 km

• M1: 38,596 km (0.062 R)
• M2: 140,472 km (0.108 R)
• M3: 242,049 km (0.117 R)
• M4: 932,144 km (0.113 R)
• M5: 1,137,841 km (0.107 R)
• M6: 2,363,347 km (0.042 R)
• M7: 2,525,661 km (0.045 R)
• M8: 2,744,971 km (0.04 R)
• M9: 3,057,182 km (0.118 R)
• M10: 4,135,484 km (0.072 R)
• M11: 6,020,118 km (0.096 R)
• M12: 7,735,855 km (0.09 R)
• M13: 11,755,700 km (0.078 R)
• M14: 15,410,077 km (0.104 R)
• M15: 15,975,407 km (0.111 R)
• M16: 17,930,053 km (0.114 R)
• M17: 18,645,729 km (0.089 R)
• M18: 19,566,803 km (0.088 R)
• M19: 20,421,306 km (0.091 R)
• M20: 21,300,343 km (0.057 R)
• M21: 25,179,865 km (0.105 R)
• M22: 25,625,517 km (0.089 R)
• M23: 27,932,765 km (0.12 R)
• M24: 28,530,558 km (0.097 R)
• M25: 29,999,908 km (0.048 R)
• M26: 30,500,612 km (0.071 R)
• M27: 31,006,851 km (0.088 R)
• M28: 34,298,902 km (0.113 R)
• M29: 41,566,666 km (0.11 R)
• M30: 41,876,932 km (0.105 R)
• M31: 42,817,155 km (0.067 R)
• M32: 43,771,290 km (0.098 R)
• M33: 51,205,406 km (0.102 R)
• M34: 53,920,159 km (0.119 R)
• M35: 57,686,884 km (0.106 R)
• M36: 64,278,914 km (0.089 R)
• M37: 67,434,382 km (0.111 R)
• M38: 71,355,192 km (0.088 R)
• M39: 71,577,345 km (0.068 R)
• M40: 71,799,947 km (0.09 R)
• M41: 72,470,594 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.9

Radius: 3.8

Gravity: 37.6 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 13.89 AU - 18.41 AU

Year: 23245 Days

Day: 19.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,839,157 km

• M1: 47,273 km (0.103 R)
• M2: 294,409 km (0.096 R)
• M3: 416,181 km (0.091 R)
• M4: 933,341 km (0.092 R)
• M5: 1,191,248 km (0.1 R)
• M6: 1,944,473 km (0.116 R)
• M7: 5,025,890 km (0.054 R)
• M8: 5,527,342 km (0.096 R)
• M9: 5,851,970 km (0.117 R)
• M10: 5,976,884 km (0.119 R)
• M11: 6,146,378 km (0.118 R)
• M12: 7,326,705 km (0.111 R)
• M13: 8,596,791 km (0.116 R)
• M14: 9,143,422 km (0.107 R)
• M15: 9,539,707 km (0.095 R)
• M16: 11,239,737 km (0.106 R)
• M17: 14,453,847 km (0.103 R)
• M18: 16,850,255 km (0.118 R)
• M19: 17,531,374 km (0.12 R)
• M20: 22,513,881 km (0.033 R)
• M21: 28,962,148 km (0.074 R)
• M22: 29,692,036 km (0.039 R)
• M23: 32,734,557 km (0.056 R)
• M24: 32,865,755 km (0.04 R)
• M25: 32,997,102 km (0.109 R)
• M26: 40,326,500 km (0.084 R)
• M27: 41,389,093 km (0.035 R)
• M28: 42,626,118 km (0.058 R)
• M29: 45,826,316 km (0.063 R)
• M30: 48,669,274 km (0.063 R)
• M31: 58,091,097 km (0.109 R)
• M32: 59,056,303 km (0.117 R)
• M33: 60,425,572 km (0.063 R)
• M34: 65,696,503 km (0.109 R)
• M35: 69,303,607 km (0.079 R)
• M36: 72,594,012 km (0.076 R)
• M37: 73,264,360 km (0.069 R)
• M38: 74,844,563 km (0.054 R)
• M39: 77,605,990 km (0.1 R)

Kuiper Belt

Range: 30.6 - 59.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 18,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit