🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.49 AU - 0.57 AU

Year: 249 Days

Day: 26.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,975,748 km

• M1: 48,470 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.1

Radius: 9.6

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.57 AU - 0.87 AU

Year: 394 Days

Day: 12.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,975,748 km

• M1: 119,529 km (0.105 R)
• M2: 437,574 km (0.097 R)
• M3: 748,588 km (0.117 R)
• M4: 1,094,608 km (0.079 R)
• M5: 1,448,407 km (0.096 R)
• M6: 2,256,385 km (0.072 R)
• M7: 2,555,580 km (0.037 R)
• M8: 3,351,291 km (0.12 R)
• M9: 3,692,524 km (0.047 R)
• M10: 4,374,092 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.3

Radius: 11.5

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.67 AU - 0.93 AU

Year: 462 Days

Day: 14.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 87.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,975,748 km

• M1: 143,016 km (0.061 R)
• M2: 549,024 km (0.091 R)
• M3: 968,197 km (0.063 R)
• M4: 1,341,743 km (0.034 R)
• M5: 1,821,653 km (0.032 R)
• M6: 2,330,735 km (0.037 R)
• M7: 2,721,784 km (0.05 R)
• M8: 3,145,295 km (0.111 R)
• M9: 3,663,353 km (0.108 R)
• M10: 4,452,182 km (0.079 R)
• M11: 4,871,804 km (0.103 R)
• M12: 5,584,788 km (0.066 R)
• M13: 5,966,711 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.8

Radius: 13.2

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.92 AU - 1.48 AU

Year: 849 Days

Day: 13.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,975,748 km

• M1: 164,109 km (0.074 R)
• M2: 747,989 km (0.064 R)
• M3: 1,199,775 km (0.103 R)
• M4: 1,699,731 km (0.029 R)
• M5: 2,688,872 km (0.102 R)
• M6: 3,536,643 km (0.09 R)
• M7: 4,272,366 km (0.055 R)
• M8: 5,374,004 km (0.101 R)
• M9: 6,247,955 km (0.083 R)
• M10: 7,281,078 km (0.051 R)

Asteroid Belt

Center: 1.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.6

Radius: 12.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.63 AU - 2.47 AU

Year: 1895 Days

Day: 8.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,975,748 km

• M1: 159,172 km (0.113 R)
• M2: 694,433 km (0.094 R)
• M3: 1,127,968 km (0.082 R)
• M4: 1,638,545 km (0.09 R)
• M5: 2,234,394 km (0.048 R)
• M6: 3,097,873 km (0.086 R)
• M7: 3,882,962 km (0.066 R)
• M8: 4,350,156 km (0.113 R)
• M9: 4,816,004 km (0.085 R)
• M10: 6,027,298 km (0.095 R)
• M11: 6,900,202 km (0.041 R)
• M12: 7,991,369 km (0.115 R)
• M13: 8,492,970 km (0.035 R)
• M14: 10,157,247 km (0.078 R)
• M15: 11,015,639 km (0.097 R)
• M16: 11,957,657 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207

Radius: 11.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.47 AU - 5.63 AU

Year: 8442 Days

Day: 9.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,975,748 km

• M1: 149,149 km (0.028 R)
• M2: 762,052 km (0.116 R)
• M3: 1,232,238 km (0.12 R)
• M4: 3,211,417 km (0.108 R)
• M5: 4,190,386 km (0.072 R)
• M6: 5,303,394 km (0.057 R)
• M7: 6,108,530 km (0.116 R)
• M8: 7,160,053 km (0.069 R)
• M9: 7,711,471 km (0.047 R)
• M10: 9,702,320 km (0.101 R)
• M11: 12,498,603 km (0.1 R)
• M12: 15,003,470 km (0.063 R)
• M13: 16,373,936 km (0.095 R)
• M14: 18,076,360 km (0.084 R)
• M15: 20,230,868 km (0.101 R)
• M16: 21,475,672 km (0.062 R)
• M17: 22,697,438 km (0.084 R)
• M18: 23,587,545 km (0.065 R)
• M19: 24,117,271 km (0.087 R)
• M20: 25,675,034 km (0.078 R)
• M21: 27,967,023 km (0.098 R)
• M22: 28,390,235 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.1

Radius: 7

Gravity: 18.8 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.91 AU - 9.35 AU

Year: 13608 Days

Day: 19.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,975,748 km

• M1: 99,034 km (0.097 R)
• M2: 497,862 km (0.064 R)
• M3: 1,321,996 km (0.103 R)
• M4: 2,965,329 km (0.091 R)
• M5: 3,508,519 km (0.05 R)
• M6: 6,443,629 km (0.072 R)
• M7: 13,277,409 km (0.045 R)
• M8: 22,437,137 km (0.083 R)
• M9: 22,725,263 km (0.106 R)
• M10: 32,076,476 km (0.093 R)
• M11: 33,933,435 km (0.091 R)
• M12: 43,553,026 km (0.093 R)
• M13: 43,851,624 km (0.108 R)
• M14: 44,302,362 km (0.111 R)
• M15: 45,212,964 km (0.116 R)
• M16: 54,321,829 km (0.054 R)
• M17: 55,715,333 km (0.102 R)
• M18: 56,598,260 km (0.112 R)
• M19: 60,780,418 km (0.083 R)
• M20: 62,092,990 km (0.112 R)
• M21: 63,616,046 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.4

Radius: 6.3

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 8.79 AU - 9.21 AU

Year: 17433 Days

Day: 22.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 123.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,975,748 km

• M1: 112,198 km (0.114 R)
• M2: 398,230 km (0.074 R)
• M3: 5,090,666 km (0.105 R)
• M4: 5,328,826 km (0.052 R)
• M5: 6,391,120 km (0.114 R)
• M6: 7,026,612 km (0.066 R)
• M7: 7,664,647 km (0.099 R)
• M8: 12,758,305 km (0.112 R)
• M9: 15,122,998 km (0.087 R)
• M10: 15,741,137 km (0.03 R)
• M11: 16,569,909 km (0.099 R)
• M12: 23,528,753 km (0.097 R)
• M13: 23,941,045 km (0.054 R)
• M14: 34,808,283 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.4

Radius: 7.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.72 AU - 10.44 AU

Year: 17666 Days

Day: 18.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,975,748 km

• M1: 94,546 km (0.047 R)
• M2: 337,493 km (0.096 R)
• M3: 837,898 km (0.076 R)
• M4: 1,093,710 km (0.112 R)
• M5: 1,858,305 km (0.064 R)
• M6: 2,427,973 km (0.106 R)
• M7: 3,196,308 km (0.115 R)
• M8: 4,038,395 km (0.098 R)
• M9: 5,648,965 km (0.093 R)
• M10: 5,982,269 km (0.033 R)
• M11: 6,399,498 km (0.083 R)
• M12: 7,061,468 km (0.105 R)
• M13: 9,460,270 km (0.099 R)
• M14: 10,171,907 km (0.066 R)
• M15: 10,565,798 km (0.082 R)
• M16: 13,031,471 km (0.092 R)
• M17: 13,437,479 km (0.076 R)
• M18: 19,214,051 km (0.086 R)
• M19: 19,740,187 km (0.041 R)
• M20: 21,779,206 km (0.113 R)
• M21: 22,682,777 km (0.11 R)
• M22: 25,273,513 km (0.102 R)
• M23: 27,200,184 km (0.058 R)
• M24: 31,550,789 km (0.064 R)
• M25: 32,919,759 km (0.087 R)
• M26: 36,229,463 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 14,266 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit