🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.45 AU - 0.65 AU

Year: 263 Days

Day: 12.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.2

Radius: 9.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.82 AU - 0.94 AU

Year: 533 Days

Day: 14.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,280,860 km

• M1: 120,576 km (0.109 R)
• M2: 428,299 km (0.081 R)
• M3: 732,132 km (0.118 R)
• M4: 1,091,765 km (0.117 R)
• M5: 1,475,933 km (0.074 R)
• M6: 1,801,757 km (0.113 R)
• M7: 3,451,672 km (0.094 R)
• M8: 3,837,036 km (0.065 R)
• M9: 5,074,958 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.2

Radius: 9

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.93 AU - 1.93 AU

Year: 1731 Days

Day: 12.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 25,280,860 km

• M1: 112,797 km (0.117 R)
• M2: 917,933 km (0.055 R)
• M3: 1,640,191 km (0.094 R)
• M4: 2,523,716 km (0.105 R)
• M5: 2,895,168 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.1

Radius: 8.1

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.15 AU - 3.07 AU

Year: 2723 Days

Day: 13.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 25,280,860 km

• M1: 100,679 km (0.047 R)
• M2: 461,659 km (0.064 R)
• M3: 767,886 km (0.084 R)
• M4: 1,693,149 km (0.034 R)
• M5: 2,380,252 km (0.117 R)
• M6: 2,890,680 km (0.09 R)
• M7: 3,328,702 km (0.093 R)
• M8: 3,657,369 km (0.081 R)
• M9: 3,967,635 km (0.12 R)
• M10: 4,316,497 km (0.085 R)
• M11: 4,596,843 km (0.059 R)
• M12: 5,242,657 km (0.114 R)
• M13: 6,241,223 km (0.083 R)
• M14: 7,091,537 km (0.104 R)
• M15: 8,049,263 km (0.072 R)
• M16: 8,575,997 km (0.11 R)
• M17: 8,847,966 km (0.107 R)
• M18: 9,125,620 km (0.101 R)
• M19: 9,882,286 km (0.096 R)
• M20: 10,758,331 km (0.086 R)
• M21: 13,151,298 km (0.065 R)
• M22: 13,697,031 km (0.074 R)
• M23: 14,687,968 km (0.07 R)
• M24: 15,726,027 km (0.118 R)
• M25: 16,185,592 km (0.117 R)
• M26: 16,496,905 km (0.072 R)
• M27: 16,971,280 km (0.072 R)
• M28: 17,892,354 km (0.119 R)
• M29: 18,393,208 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.8

Radius: 11.7

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.22 AU - 3.1 AU

Year: 2801 Days

Day: 5.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,280,860 km

• M1: 145,559 km (0.102 R)
• M2: 550,969 km (0.075 R)
• M3: 1,150,707 km (0.114 R)
• M4: 1,663,080 km (0.112 R)
• M5: 2,188,318 km (0.104 R)
• M6: 2,903,545 km (0.092 R)
• M7: 3,463,041 km (0.119 R)
• M8: 3,868,451 km (0.104 R)
• M9: 4,706,499 km (0.073 R)
• M10: 5,899,542 km (0.072 R)
• M11: 6,596,069 km (0.084 R)
• M12: 8,875,492 km (0.11 R)
• M13: 9,677,486 km (0.078 R)
• M14: 10,527,202 km (0.059 R)
• M15: 10,929,471 km (0.111 R)
• M16: 12,286,623 km (0.085 R)
• M17: 14,727,013 km (0.077 R)
• M18: 17,085,872 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.2

Radius: 14.3

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.32 AU - 4.06 AU

Year: 4577 Days

Day: 9.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 25,280,860 km

• M1: 178,021 km (0.083 R)
• M2: 631,901 km (0.055 R)
• M3: 1,410,708 km (0.095 R)
• M4: 1,860,100 km (0.101 R)
• M5: 2,343,151 km (0.047 R)
• M6: 3,139,311 km (0.096 R)
• M7: 6,069,634 km (0.096 R)
• M8: 6,979,638 km (0.05 R)
• M9: 7,575,337 km (0.114 R)
• M10: 8,053,601 km (0.116 R)
• M11: 8,749,231 km (0.073 R)
• M12: 9,359,292 km (0.057 R)
• M13: 10,128,823 km (0.086 R)
• M14: 10,802,013 km (0.109 R)
• M15: 11,941,052 km (0.046 R)
• M16: 12,438,764 km (0.081 R)
• M17: 15,663,047 km (0.097 R)
• M18: 16,687,044 km (0.11 R)
• M19: 17,819,500 km (0.092 R)
• M20: 19,137,158 km (0.084 R)
• M21: 21,818,401 km (0.11 R)
• M22: 23,791,447 km (0.084 R)
• M23: 24,901,912 km (0.086 R)
• M24: 25,633,745 km (0.038 R)
• M25: 29,691,587 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.1

Radius: 10

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.8 AU - 4.4 AU

Year: 5360 Days

Day: 9.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,280,860 km

• M1: 124,465 km (0.115 R)
• M2: 585,825 km (0.115 R)
• M3: 1,043,744 km (0.084 R)
• M4: 1,356,853 km (0.088 R)
• M5: 2,150,469 km (0.081 R)
• M6: 2,527,306 km (0.105 R)
• M7: 3,373,282 km (0.048 R)
• M8: 3,908,843 km (0.068 R)
• M9: 4,526,084 km (0.106 R)
• M10: 6,049,289 km (0.116 R)
• M11: 7,442,943 km (0.031 R)
• M12: 8,352,049 km (0.107 R)
• M13: 9,764,403 km (0.108 R)
• M14: 12,071,052 km (0.029 R)
• M15: 13,432,243 km (0.08 R)
• M16: 24,457,756 km (0.102 R)
• M17: 25,444,055 km (0.096 R)
• M18: 27,496,089 km (0.055 R)
• M19: 28,833,194 km (0.099 R)
• M20: 31,252,940 km (0.117 R)
• M21: 31,829,939 km (0.038 R)
• M22: 33,005,329 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 65.4

Radius: 4.2

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.93 AU - 7.41 AU

Year: 12396 Days

Day: 22.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 91.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,280,860 km

• M1: 52,658 km (0.085 R)
• M2: 302,936 km (0.104 R)
• M3: 505,940 km (0.097 R)
• M4: 642,373 km (0.029 R)
• M5: 782,247 km (0.088 R)
• M6: 4,602,528 km (0.074 R)
• M7: 6,330,533 km (0.103 R)
• M8: 6,853,527 km (0.064 R)
• M9: 8,090,402 km (0.099 R)
• M10: 8,631,648 km (0.083 R)
• M11: 17,539,602 km (0.118 R)
• M12: 22,512,684 km (0.082 R)
• M13: 23,435,554 km (0.084 R)
• M14: 23,869,986 km (0.056 R)
• M15: 24,979,254 km (0.099 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 330 - 15,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit