🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.69 AU - 1.03 AU

Year: 305 Days

Day: 26.6 Hours

Environment

Temp: 33 °C

Axial Tilt: 7.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.27 AU - 1.85 AU

Year: 746 Days

Day: 43.2 Hours

Environment

Temp: -63 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,276,453 km

• M1: 125,213 km (0.074 R)

Asteroid Belt

Center: 3.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.8

Radius: 9.7

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.82 AU - 5.88 AU

Year: 5418 Days

Day: 11.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 103,276,453 km

• M1: 124,465 km (0.12 R)
• M2: 583,731 km (0.1 R)
• M3: 1,085,333 km (0.093 R)
• M4: 1,785,301 km (0.104 R)
• M5: 2,193,254 km (0.061 R)
• M6: 2,711,761 km (0.045 R)
• M7: 3,089,495 km (0.12 R)
• M8: 4,190,685 km (0.064 R)
• M9: 6,146,677 km (0.119 R)
• M10: 7,373,081 km (0.098 R)
• M11: 8,939,670 km (0.081 R)
• M12: 11,446,182 km (0.087 R)
• M13: 12,624,564 km (0.118 R)
• M14: 13,683,418 km (0.108 R)
• M15: 15,488,466 km (0.099 R)
• M16: 18,820,459 km (0.062 R)
• M17: 21,179,319 km (0.04 R)
• M18: 23,443,482 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.4

Radius: 12.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.62 AU - 6.28 AU

Year: 5557 Days

Day: 5.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 103,276,453 km

• M1: 163,660 km (0.106 R)
• M2: 634,295 km (0.081 R)
• M3: 1,432,549 km (0.082 R)
• M4: 2,492,151 km (0.072 R)
• M5: 2,993,902 km (0.05 R)
• M6: 6,470,108 km (0.103 R)
• M7: 8,102,969 km (0.075 R)
• M8: 8,742,500 km (0.099 R)
• M9: 9,911,308 km (0.061 R)
• M10: 14,528,347 km (0.109 R)
• M11: 17,302,191 km (0.073 R)
• M12: 19,402,844 km (0.076 R)
• M13: 20,617,728 km (0.119 R)
• M14: 21,243,945 km (0.082 R)
• M15: 25,350,257 km (0.05 R)
• M16: 26,393,104 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.3

Radius: 14.8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.08 AU - 7.46 AU

Year: 6011 Days

Day: 12.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 103,276,453 km

• M1: 184,155 km (0.084 R)
• M2: 656,735 km (0.104 R)
• M3: 1,820,905 km (0.06 R)
• M4: 2,889,632 km (0.097 R)
• M5: 4,215,369 km (0.111 R)
• M6: 5,030,228 km (0.095 R)
• M7: 5,630,265 km (0.052 R)
• M8: 7,084,207 km (0.089 R)
• M9: 8,401,416 km (0.039 R)
• M10: 9,032,121 km (0.102 R)
• M11: 10,247,305 km (0.049 R)
• M12: 14,371,718 km (0.104 R)
• M13: 14,849,234 km (0.096 R)
• M14: 15,710,469 km (0.106 R)
• M15: 20,375,529 km (0.096 R)
• M16: 22,460,176 km (0.049 R)
• M17: 30,143,373 km (0.084 R)
• M18: 32,741,289 km (0.081 R)
• M19: 34,731,988 km (0.119 R)
• M20: 35,485,363 km (0.056 R)
• M21: 36,030,049 km (0.091 R)
• M22: 37,697,915 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.6

Radius: 12.7

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.27 AU - 7.41 AU

Year: 6849 Days

Day: 12.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 103,276,453 km

• M1: 158,574 km (0.068 R)
• M2: 1,115,851 km (0.102 R)
• M3: 1,897,051 km (0.109 R)
• M4: 2,665,984 km (0.091 R)
• M5: 3,496,252 km (0.113 R)
• M6: 6,256,183 km (0.099 R)
• M7: 7,990,770 km (0.117 R)
• M8: 9,478,521 km (0.119 R)
• M9: 10,187,166 km (0.088 R)
• M10: 11,186,630 km (0.08 R)
• M11: 11,978,302 km (0.12 R)
• M12: 14,323,248 km (0.082 R)
• M13: 16,120,517 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849

Radius: 6.6

Gravity: 19.49 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 11.84 AU - 12.92 AU

Year: 16678 Days

Day: 23.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 103,276,453 km

• M1: 82,129 km (0.099 R)
• M2: 578,196 km (0.081 R)
• M3: 1,171,950 km (0.044 R)
• M4: 1,569,880 km (0.1 R)
• M5: 3,156,665 km (0.075 R)
• M6: 3,716,161 km (0.112 R)
• M7: 4,050,961 km (0.111 R)
• M8: 5,030,677 km (0.039 R)
• M9: 5,634,454 km (0.092 R)
• M10: 8,591,555 km (0.098 R)
• M11: 9,232,133 km (0.049 R)
• M12: 9,904,127 km (0.079 R)
• M13: 10,369,975 km (0.085 R)
• M14: 11,919,958 km (0.096 R)
• M15: 14,488,404 km (0.117 R)
• M16: 15,088,591 km (0.086 R)
• M17: 16,338,481 km (0.104 R)
• M18: 16,988,633 km (0.101 R)
• M19: 18,167,764 km (0.091 R)
• M20: 18,954,050 km (0.104 R)
• M21: 22,925,126 km (0.09 R)
• M22: 25,318,692 km (0.049 R)
• M23: 25,751,329 km (0.118 R)
• M24: 26,854,463 km (0.114 R)
• M25: 32,846,157 km (0.102 R)
• M26: 33,620,027 km (0.084 R)
• M27: 35,878,805 km (0.069 R)
• M28: 39,236,978 km (0.051 R)
• M29: 46,570,565 km (0.099 R)
• M30: 50,387,555 km (0.055 R)
• M31: 52,459,336 km (0.098 R)
• M32: 53,871,689 km (0.076 R)
• M33: 60,157,493 km (0.119 R)
• M34: 64,877,605 km (0.056 R)
• M35: 66,504,182 km (0.1 R)
• M36: 68,994,688 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.9

Radius: 3.1

Gravity: 88.75 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 13.82 AU - 21.44 AU

Year: 28343 Days

Day: 15.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 103,276,453 km

• M1: 38,746 km (0.119 R)
• M2: 161,566 km (0.059 R)
• M3: 292,613 km (0.097 R)
• M4: 477,516 km (0.109 R)
• M5: 902,225 km (0.053 R)
• M6: 1,575,415 km (0.07 R)
• M7: 2,116,062 km (0.067 R)
• M8: 2,256,684 km (0.085 R)
• M9: 2,428,422 km (0.095 R)
• M10: 4,025,080 km (0.079 R)
• M11: 6,795,633 km (0.095 R)
• M12: 7,153,770 km (0.116 R)
• M13: 7,741,989 km (0.035 R)
• M14: 9,383,526 km (0.066 R)
• M15: 10,756,984 km (0.088 R)
• M16: 11,384,697 km (0.109 R)
• M17: 11,816,287 km (0.114 R)
• M18: 13,572,716 km (0.09 R)
• M19: 14,638,600 km (0.101 R)
• M20: 17,308,623 km (0.102 R)
• M21: 18,461,724 km (0.098 R)
• M22: 18,956,893 km (0.107 R)
• M23: 21,241,402 km (0.06 R)
• M24: 22,561,603 km (0.106 R)
• M25: 25,364,319 km (0.043 R)
• M26: 28,390,235 km (0.073 R)
• M27: 32,643,303 km (0.104 R)
• M28: 32,787,066 km (0.108 R)
• M29: 36,059,669 km (0.072 R)
• M30: 40,035,083 km (0.111 R)
• M31: 40,697,054 km (0.066 R)
• M32: 52,107,482 km (0.076 R)
• M33: 54,094,590 km (0.086 R)
• M34: 56,752,645 km (0.033 R)
• M35: 76,054,061 km (0.029 R)
• M36: 78,092,332 km (0.047 R)
• M37: 89,112,310 km (0.088 R)
• M38: 93,679,383 km (0.065 R)
• M39: 94,261,020 km (0.088 R)
• M40: 101,429,301 km (0.1 R)
• M41: 102,042,503 km (0.071 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 16,277 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit