🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.47 AU - 0.63 AU

Year: 263 Days

Day: 36.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 51.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.2

Radius: 10.4

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.74 AU - 0.78 AU

Year: 428 Days

Day: 5.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 42,016,806 km

• M1: 129,701 km (0.091 R)
• M2: 608,564 km (0.099 R)
• M3: 1,303,446 km (0.054 R)
• M4: 1,741,618 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.7

Radius: 8.6

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.95 AU - 1.27 AU

Year: 755 Days

Day: 12.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,016,806 km

• M1: 106,962 km (0.081 R)
• M2: 410,048 km (0.056 R)
• M3: 707,598 km (0.11 R)
• M4: 1,528,441 km (0.1 R)
• M5: 1,798,017 km (0.033 R)
• M6: 3,367,747 km (0.117 R)
• M7: 4,477,464 km (0.093 R)
• M8: 5,391,358 km (0.03 R)
• M9: 5,883,834 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.9

Radius: 12.4

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.9 AU - 1.44 AU

Year: 817 Days

Day: 9.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,016,806 km

• M1: 154,235 km (0.101 R)
• M2: 903,272 km (0.109 R)
• M3: 1,665,174 km (0.083 R)
• M4: 2,278,076 km (0.101 R)
• M5: 2,785,213 km (0.073 R)
• M6: 3,356,827 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.3

Radius: 11.7

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.24 AU - 1.3 AU

Year: 924 Days

Day: 12.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,016,806 km

• M1: 145,559 km (0.081 R)
• M2: 531,970 km (0.108 R)
• M3: 993,330 km (0.07 R)
• M4: 1,358,199 km (0.101 R)
• M5: 1,909,018 km (0.111 R)
• M6: 2,838,919 km (0.104 R)
• M7: 3,779,740 km (0.089 R)
• M8: 4,163,608 km (0.118 R)
• M9: 4,973,381 km (0.051 R)
• M10: 5,535,869 km (0.118 R)
• M11: 5,927,068 km (0.116 R)
• M12: 6,403,238 km (0.104 R)
• M13: 7,117,567 km (0.116 R)
• M14: 7,556,188 km (0.101 R)
• M15: 8,012,911 km (0.084 R)
• M16: 8,650,497 km (0.064 R)
• M17: 10,423,980 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.8

Radius: 13.8

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.63 AU - 2.91 AU

Year: 2977 Days

Day: 14.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,016,806 km

• M1: 185,352 km (0.101 R)
• M2: 662,868 km (0.06 R)
• M3: 1,325,138 km (0.087 R)
• M4: 2,003,415 km (0.053 R)
• M5: 2,964,880 km (0.047 R)
• M6: 3,918,267 km (0.093 R)
• M7: 4,369,006 km (0.093 R)
• M8: 4,812,564 km (0.061 R)
• M9: 5,443,567 km (0.115 R)
• M10: 7,224,380 km (0.115 R)
• M11: 8,203,199 km (0.052 R)
• M12: 9,106,322 km (0.116 R)
• M13: 9,937,188 km (0.111 R)
• M14: 12,898,179 km (0.09 R)
• M15: 13,732,486 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.6

Radius: 14.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.75 AU - 5.31 AU

Year: 6225 Days

Day: 7.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,016,806 km

• M1: 192,233 km (0.078 R)
• M2: 676,182 km (0.027 R)
• M3: 1,327,083 km (0.112 R)
• M4: 2,243,070 km (0.046 R)
• M5: 2,910,726 km (0.034 R)
• M6: 3,641,063 km (0.098 R)
• M7: 4,161,065 km (0.097 R)
• M8: 7,477,051 km (0.105 R)
• M9: 11,398,311 km (0.049 R)
• M10: 12,732,275 km (0.119 R)
• M11: 13,715,133 km (0.09 R)
• M12: 14,340,452 km (0.063 R)
• M13: 16,584,270 km (0.067 R)
• M14: 17,098,737 km (0.029 R)
• M15: 20,412,779 km (0.085 R)
• M16: 21,912,498 km (0.061 R)
• M17: 23,564,956 km (0.054 R)
• M18: 24,215,856 km (0.078 R)
• M19: 29,768,630 km (0.076 R)
• M20: 30,625,676 km (0.118 R)
• M21: 32,189,722 km (0.073 R)
• M22: 34,844,186 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.2

Radius: 14.2

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.12 AU - 5.62 AU

Year: 6939 Days

Day: 5.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,016,806 km

• M1: 176,675 km (0.115 R)
• M2: 861,833 km (0.031 R)
• M3: 1,419,534 km (0.095 R)
• M4: 1,994,289 km (0.1 R)
• M5: 2,571,737 km (0.074 R)
• M6: 3,108,793 km (0.103 R)
• M7: 4,120,673 km (0.099 R)
• M8: 4,949,446 km (0.058 R)
• M9: 5,953,397 km (0.107 R)
• M10: 6,468,911 km (0.098 R)
• M11: 8,969,140 km (0.066 R)
• M12: 9,418,383 km (0.12 R)
• M13: 10,558,468 km (0.111 R)
• M14: 11,009,057 km (0.094 R)
• M15: 11,629,888 km (0.087 R)
• M16: 12,438,764 km (0.055 R)
• M17: 13,810,576 km (0.035 R)
• M18: 15,281,123 km (0.118 R)
• M19: 18,244,807 km (0.086 R)
• M20: 19,635,917 km (0.072 R)
• M21: 20,627,751 km (0.055 R)
• M22: 24,147,639 km (0.108 R)
• M23: 32,249,262 km (0.106 R)
• M24: 34,718,075 km (0.112 R)
• M25: 35,271,139 km (0.114 R)
• M26: 35,942,384 km (0.103 R)
• M27: 38,124,569 km (0.054 R)
• M28: 38,950,349 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.4

Radius: 4.2

Gravity: 27.91 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.77 AU - 7.39 AU

Year: 9680 Days

Day: 17.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 42,016,806 km

• M1: 52,210 km (0.096 R)
• M2: 191,036 km (0.107 R)
• M3: 440,865 km (0.11 R)
• M4: 723,754 km (0.111 R)
• M5: 1,003,353 km (0.025 R)
• M6: 1,278,314 km (0.066 R)
• M7: 1,587,832 km (0.105 R)
• M8: 1,775,428 km (0.081 R)
• M9: 1,977,684 km (0.096 R)
• M10: 2,247,558 km (0.101 R)
• M11: 2,944,535 km (0.114 R)
• M12: 3,459,002 km (0.11 R)
• M13: 3,825,517 km (0.049 R)
• M14: 4,780,699 km (0.097 R)
• M15: 5,080,493 km (0.057 R)
• M16: 5,297,859 km (0.12 R)
• M17: 6,194,249 km (0.068 R)
• M18: 9,391,306 km (0.102 R)
• M19: 10,053,575 km (0.114 R)
• M20: 10,848,090 km (0.078 R)
• M21: 11,156,411 km (0.114 R)
• M22: 13,073,358 km (0.099 R)
• M23: 15,263,022 km (0.076 R)
• M24: 16,579,334 km (0.077 R)
• M25: 19,285,110 km (0.094 R)
• M26: 22,937,094 km (0.092 R)
• M27: 23,530,399 km (0.068 R)
• M28: 24,395,673 km (0.086 R)
• M29: 26,373,357 km (0.106 R)
• M30: 26,930,758 km (0.075 R)
• M31: 27,495,939 km (0.065 R)
• M32: 29,536,304 km (0.046 R)
• M33: 33,265,181 km (0.102 R)
• M34: 35,579,011 km (0.068 R)
• M35: 36,031,545 km (0.06 R)
• M36: 37,997,859 km (0.108 R)
• M37: 38,708,599 km (0.095 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 15,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit