🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.48 AU - 0.66 AU

Year: 274 Days

Day: 12.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406

Radius: 13.3

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.65 AU - 1.03 AU

Year: 489 Days

Day: 10.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,195,327 km

• M1: 165,455 km (0.077 R)
• M2: 725,101 km (0.104 R)
• M3: 1,221,766 km (0.118 R)
• M4: 1,771,538 km (0.117 R)
• M5: 2,290,194 km (0.102 R)
• M6: 2,711,013 km (0.074 R)
• M7: 3,418,162 km (0.104 R)
• M8: 4,558,696 km (0.079 R)
• M9: 4,991,034 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.1

Radius: 10.4

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.99 AU - 1.21 AU

Year: 734 Days

Day: 6.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,195,327 km

• M1: 129,402 km (0.036 R)
• M2: 574,306 km (0.071 R)
• M3: 1,104,481 km (0.1 R)
• M4: 1,687,165 km (0.112 R)
• M5: 2,121,298 km (0.119 R)
• M6: 2,529,999 km (0.047 R)
• M7: 3,320,774 km (0.042 R)
• M8: 3,831,800 km (0.088 R)
• M9: 5,134,947 km (0.078 R)
• M10: 5,572,521 km (0.08 R)
• M11: 7,624,405 km (0.078 R)
• M12: 8,293,108 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.2

Radius: 9.3

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.58 AU - 1.74 AU

Year: 1360 Days

Day: 6 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,195,327 km

• M1: 115,639 km (0.03 R)
• M2: 472,879 km (0.028 R)
• M3: 784,192 km (0.056 R)
• M4: 1,252,882 km (0.066 R)
• M5: 1,660,237 km (0.055 R)
• M6: 2,078,513 km (0.108 R)
• M7: 2,419,596 km (0.09 R)
• M8: 3,186,584 km (0.109 R)
• M9: 3,610,844 km (0.102 R)
• M10: 4,211,778 km (0.037 R)
• M11: 5,155,143 km (0.11 R)
• M12: 5,961,774 km (0.082 R)
• M13: 6,302,409 km (0.031 R)
• M14: 6,728,314 km (0.048 R)
• M15: 7,717,455 km (0.099 R)
• M16: 8,570,612 km (0.088 R)
• M17: 9,303,192 km (0.091 R)
• M18: 9,856,256 km (0.101 R)
• M19: 10,301,309 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.8

Radius: 13

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.57 AU - 1.93 AU

Year: 1472 Days

Day: 12.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,195,327 km

• M1: 161,715 km (0.083 R)
• M2: 615,146 km (0.087 R)
• M3: 1,252,284 km (0.088 R)
• M4: 1,787,246 km (0.107 R)
• M5: 2,418,250 km (0.115 R)
• M6: 3,612,340 km (0.055 R)
• M7: 4,162,710 km (0.045 R)
• M8: 5,889,070 km (0.092 R)
• M9: 6,435,551 km (0.109 R)
• M10: 7,038,580 km (0.102 R)
• M11: 8,001,392 km (0.104 R)
• M12: 8,567,320 km (0.053 R)
• M13: 9,132,202 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.9

Radius: 10.5

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.56 AU - 2.36 AU

Year: 1745 Days

Day: 6.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,195,327 km

• M1: 131,347 km (0.086 R)
• M2: 520,900 km (0.118 R)
• M3: 871,557 km (0.089 R)
• M4: 1,212,790 km (0.103 R)
• M5: 1,596,808 km (0.112 R)
• M6: 2,443,681 km (0.098 R)
• M7: 2,799,724 km (0.072 R)
• M8: 3,237,747 km (0.12 R)
• M9: 3,721,397 km (0.116 R)
• M10: 4,176,623 km (0.091 R)
• M11: 4,751,079 km (0.084 R)
• M12: 5,984,812 km (0.099 R)
• M13: 7,089,443 km (0.074 R)
• M14: 8,114,637 km (0.079 R)
• M15: 8,600,830 km (0.069 R)
• M16: 8,946,401 km (0.104 R)
• M17: 10,564,003 km (0.11 R)
• M18: 12,132,088 km (0.099 R)
• M19: 13,218,917 km (0.08 R)
• M20: 13,552,969 km (0.099 R)
• M21: 14,501,120 km (0.025 R)
• M22: 14,991,502 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.3

Radius: 8.4

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.7 AU - 2.34 AU

Year: 1825 Days

Day: 13.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,195,327 km

• M1: 104,419 km (0.091 R)
• M2: 428,149 km (0.05 R)
• M3: 828,922 km (0.091 R)
• M4: 1,140,235 km (0.063 R)
• M5: 1,682,078 km (0.098 R)
• M6: 2,028,248 km (0.109 R)
• M7: 2,445,626 km (0.045 R)
• M8: 2,905,789 km (0.047 R)
• M9: 3,243,880 km (0.072 R)
• M10: 4,153,435 km (0.093 R)
• M11: 4,510,077 km (0.097 R)
• M12: 4,945,257 km (0.093 R)
• M13: 5,597,055 km (0.11 R)
• M14: 6,609,084 km (0.112 R)
• M15: 7,046,359 km (0.118 R)
• M16: 7,348,547 km (0.092 R)
• M17: 9,467,900 km (0.119 R)
• M18: 9,961,124 km (0.119 R)
• M19: 11,337,574 km (0.112 R)
• M20: 11,753,157 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.6

Radius: 14.4

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.47 AU - 4.45 AU

Year: 5010 Days

Day: 5.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,195,327 km

• M1: 181,462 km (0.118 R)
• M2: 726,597 km (0.095 R)
• M3: 1,439,281 km (0.101 R)
• M4: 2,398,203 km (0.086 R)
• M5: 3,376,424 km (0.089 R)
• M6: 4,701,562 km (0.084 R)
• M7: 8,007,824 km (0.08 R)
• M8: 9,314,113 km (0.118 R)
• M9: 11,490,014 km (0.032 R)
• M10: 14,290,486 km (0.036 R)
• M11: 15,658,559 km (0.057 R)
• M12: 18,472,046 km (0.08 R)
• M13: 23,123,941 km (0.083 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.9

Radius: 14.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.07 AU - 4.77 AU

Year: 5908 Days

Day: 14.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,195,327 km

• M1: 185,352 km (0.055 R)
• M2: 743,053 km (0.12 R)
• M3: 1,266,645 km (0.098 R)
• M4: 2,830,541 km (0.117 R)
• M5: 4,151,790 km (0.065 R)
• M6: 4,620,031 km (0.114 R)
• M7: 6,376,460 km (0.057 R)
• M8: 8,060,184 km (0.081 R)
• M9: 9,527,888 km (0.115 R)
• M10: 10,490,551 km (0.114 R)
• M11: 12,081,075 km (0.061 R)
• M12: 12,771,170 km (0.112 R)
• M13: 13,770,334 km (0.073 R)
• M14: 15,182,688 km (0.085 R)
• M15: 16,819,588 km (0.082 R)
• M16: 19,563,961 km (0.116 R)
• M17: 21,423,761 km (0.077 R)
• M18: 24,894,282 km (0.029 R)
• M19: 26,718,479 km (0.119 R)
• M20: 27,617,712 km (0.064 R)
• M21: 28,630,340 km (0.106 R)
• M22: 34,488,443 km (0.067 R)
• M23: 35,770,646 km (0.039 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 14,245 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit