🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.46 AU - 0.58 AU

Year: 246 Days

Day: 17.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,626,023 km

• M1: 43,683 km (0.056 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.43 AU - 0.65 AU

Year: 260 Days

Day: 42.8 Hours

Environment

Temp: -115 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,626,023 km

• M1: 601,832 km (0.089 R)

Asteroid Belt

Center: 0.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.7

Radius: 12

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.08 AU - 1.12 AU

Year: 757 Days

Day: 14.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,626,023 km

• M1: 160,668 km (0.097 R)
• M2: 604,525 km (0.064 R)
• M3: 1,138,589 km (0.108 R)
• M4: 3,214,858 km (0.102 R)
• M5: 3,864,861 km (0.095 R)
• M6: 4,276,854 km (0.084 R)
• M7: 6,086,389 km (0.03 R)
• M8: 6,603,848 km (0.091 R)
• M9: 7,918,365 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.2

Radius: 8.5

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.11 AU - 1.83 AU

Year: 1169 Days

Day: 12.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,626,023 km

• M1: 105,766 km (0.072 R)
• M2: 389,403 km (0.05 R)
• M3: 878,289 km (0.12 R)
• M4: 1,282,951 km (0.052 R)
• M5: 1,574,069 km (0.074 R)
• M6: 2,546,455 km (0.115 R)
• M7: 2,928,528 km (0.114 R)
• M8: 3,199,150 km (0.037 R)
• M9: 4,363,321 km (0.086 R)
• M10: 5,358,745 km (0.108 R)
• M11: 6,193,651 km (0.093 R)
• M12: 6,666,530 km (0.088 R)
• M13: 7,011,802 km (0.119 R)
• M14: 7,631,436 km (0.118 R)
• M15: 8,399,920 km (0.103 R)
• M16: 9,098,842 km (0.112 R)
• M17: 9,804,495 km (0.036 R)
• M18: 10,480,228 km (0.106 R)
• M19: 11,083,706 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.7

Radius: 14.5

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.46 AU - 2.32 AU

Year: 1705 Days

Day: 8.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,626,023 km

• M1: 180,415 km (0.11 R)
• M2: 720,164 km (0.055 R)
• M3: 1,185,713 km (0.085 R)
• M4: 1,997,132 km (0.104 R)
• M5: 2,619,160 km (0.12 R)
• M6: 3,399,911 km (0.114 R)
• M7: 4,240,352 km (0.088 R)
• M8: 4,948,548 km (0.111 R)
• M9: 6,456,345 km (0.083 R)
• M10: 7,343,311 km (0.088 R)
• M11: 9,612,112 km (0.094 R)
• M12: 11,046,307 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.9

Radius: 8.9

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.86 AU - 2.46 AU

Year: 2083 Days

Day: 13.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,626,023 km

• M1: 110,702 km (0.049 R)
• M2: 394,190 km (0.097 R)
• M3: 730,786 km (0.072 R)
• M4: 1,019,509 km (0.091 R)
• M5: 1,423,274 km (0.088 R)
• M6: 1,700,180 km (0.099 R)
• M7: 1,989,801 km (0.091 R)
• M8: 2,392,070 km (0.041 R)
• M9: 2,817,975 km (0.101 R)
• M10: 3,194,513 km (0.082 R)
• M11: 3,498,795 km (0.108 R)
• M12: 4,107,210 km (0.114 R)
• M13: 4,467,890 km (0.079 R)
• M14: 5,161,575 km (0.103 R)
• M15: 6,360,453 km (0.102 R)
• M16: 7,616,327 km (0.101 R)
• M17: 8,637,033 km (0.111 R)
• M18: 9,130,108 km (0.05 R)
• M19: 11,722,788 km (0.036 R)
• M20: 12,286,623 km (0.116 R)
• M21: 16,351,496 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.5

Radius: 9.1

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.62 AU - 3.16 AU

Year: 3223 Days

Day: 8.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 28,626,023 km

• M1: 120,875 km (0.105 R)
• M2: 661,971 km (0.096 R)
• M3: 945,459 km (0.098 R)
• M4: 1,939,088 km (0.067 R)
• M5: 2,254,889 km (0.048 R)
• M6: 2,573,383 km (0.118 R)
• M7: 3,153,523 km (0.063 R)
• M8: 3,694,619 km (0.11 R)
• M9: 4,479,708 km (0.058 R)
• M10: 6,260,820 km (0.12 R)
• M11: 8,834,053 km (0.086 R)
• M12: 9,322,491 km (0.064 R)
• M13: 9,789,385 km (0.088 R)
• M14: 10,109,226 km (0.047 R)
• M15: 11,415,215 km (0.097 R)
• M16: 12,688,443 km (0.103 R)
• M17: 13,555,362 km (0.056 R)
• M18: 15,895,073 km (0.065 R)
• M19: 16,959,312 km (0.107 R)
• M20: 19,416,607 km (0.037 R)
• M21: 19,731,660 km (0.111 R)
• M22: 21,291,816 km (0.075 R)
• M23: 21,694,384 km (0.111 R)
• M24: 22,376,550 km (0.063 R)
• M25: 23,002,617 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.1

Radius: 14

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.79 AU - 4.59 AU

Year: 4650 Days

Day: 8.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 28,626,023 km

• M1: 174,282 km (0.111 R)
• M2: 650,601 km (0.083 R)
• M3: 1,250,937 km (0.095 R)
• M4: 2,262,219 km (0.109 R)
• M5: 3,001,232 km (0.09 R)
• M6: 3,700,154 km (0.045 R)
• M7: 4,240,501 km (0.043 R)
• M8: 5,509,839 km (0.085 R)
• M9: 6,787,854 km (0.102 R)
• M10: 7,358,270 km (0.084 R)
• M11: 7,888,146 km (0.08 R)
• M12: 10,441,483 km (0.033 R)
• M13: 11,387,988 km (0.071 R)
• M14: 11,906,195 km (0.092 R)
• M15: 13,348,319 km (0.116 R)
• M16: 14,517,875 km (0.084 R)
• M17: 17,865,726 km (0.078 R)
• M18: 18,566,442 km (0.108 R)
• M19: 19,219,437 km (0.085 R)
• M20: 20,779,443 km (0.09 R)
• M21: 24,227,375 km (0.079 R)
• M22: 25,723,803 km (0.097 R)
• M23: 28,554,045 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.4

Radius: 14.2

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.56 AU - 6.52 AU

Year: 8554 Days

Day: 5.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,626,023 km

• M1: 176,525 km (0.103 R)
• M2: 849,118 km (0.112 R)
• M3: 2,438,595 km (0.104 R)
• M4: 3,206,331 km (0.088 R)
• M5: 3,690,280 km (0.105 R)
• M6: 4,557,499 km (0.116 R)
• M7: 7,358,270 km (0.093 R)
• M8: 9,082,536 km (0.093 R)
• M9: 10,707,019 km (0.094 R)
• M10: 13,522,152 km (0.085 R)
• M11: 14,633,664 km (0.096 R)
• M12: 24,338,078 km (0.113 R)
• M13: 25,504,492 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 12,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit