🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.52 AU - 0.56 AU

Year: 148 Days

Day: 32.9 Hours

Environment

Temp: 196 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 77,219,683 km

• M1: 23,337 km (0.109 R)
• M2: 42,037 km (0.061 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.23 AU - 1.43 AU

Year: 572 Days

Day: 21.6 Hours

Environment

Temp: -21 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,219,683 km

• M1: 22,440 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.2

Radius: 10

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.49 AU - 5.23 AU

Year: 3994 Days

Day: 5.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,219,683 km

• M1: 124,316 km (0.12 R)
• M2: 438,471 km (0.119 R)
• M3: 1,349,223 km (0.032 R)
• M4: 2,522,968 km (0.057 R)
• M5: 2,878,263 km (0.104 R)
• M6: 3,924,850 km (0.092 R)
• M7: 5,249,090 km (0.086 R)
• M8: 5,677,090 km (0.082 R)
• M9: 6,676,703 km (0.086 R)
• M10: 8,902,120 km (0.103 R)
• M11: 9,763,954 km (0.116 R)
• M12: 10,182,529 km (0.056 R)
• M13: 11,941,650 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986

Radius: 12.3

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.26 AU - 7.82 AU

Year: 6963 Days

Day: 9.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,219,683 km

• M1: 153,039 km (0.055 R)
• M2: 775,964 km (0.089 R)
• M3: 2,000,722 km (0.106 R)
• M4: 2,589,539 km (0.093 R)
• M5: 3,359,370 km (0.06 R)
• M6: 6,318,416 km (0.078 R)
• M7: 7,317,430 km (0.09 R)
• M8: 8,081,576 km (0.032 R)
• M9: 11,468,173 km (0.063 R)
• M10: 15,188,073 km (0.047 R)
• M11: 15,768,812 km (0.068 R)
• M12: 17,250,729 km (0.097 R)
• M13: 17,954,288 km (0.103 R)
• M14: 20,103,111 km (0.101 R)
• M15: 25,532,766 km (0.073 R)
• M16: 30,423,420 km (0.096 R)
• M17: 36,132,523 km (0.03 R)
• M18: 38,341,934 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.5

Radius: 10.5

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.6 AU - 8.44 AU

Year: 7687 Days

Day: 11.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,219,683 km

• M1: 130,599 km (0.038 R)
• M2: 552,615 km (0.084 R)
• M3: 950,545 km (0.085 R)
• M4: 1,518,568 km (0.048 R)
• M5: 1,895,255 km (0.063 R)
• M6: 2,623,348 km (0.112 R)
• M7: 3,212,465 km (0.099 R)
• M8: 3,772,858 km (0.028 R)
• M9: 4,297,049 km (0.118 R)
• M10: 4,788,329 km (0.116 R)
• M11: 5,374,453 km (0.081 R)
• M12: 5,852,717 km (0.084 R)
• M13: 6,490,304 km (0.095 R)
• M14: 7,642,955 km (0.115 R)
• M15: 8,764,341 km (0.103 R)
• M16: 11,524,422 km (0.118 R)
• M17: 16,123,359 km (0.118 R)
• M18: 21,225,544 km (0.056 R)
• M19: 22,422,178 km (0.067 R)
• M20: 23,505,565 km (0.103 R)
• M21: 26,197,130 km (0.099 R)
• M22: 28,368,244 km (0.097 R)
• M23: 28,816,439 km (0.119 R)
• M24: 30,003,947 km (0.093 R)
• M25: 30,562,845 km (0.102 R)
• M26: 31,414,206 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.9

Radius: 10.3

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.04 AU - 9.06 AU

Year: 7733 Days

Day: 14.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,219,683 km

• M1: 128,056 km (0.052 R)
• M2: 457,171 km (0.078 R)
• M3: 940,821 km (0.098 R)
• M4: 1,496,128 km (0.102 R)
• M5: 2,027,799 km (0.096 R)
• M6: 2,383,094 km (0.034 R)
• M7: 3,047,907 km (0.025 R)
• M8: 3,424,445 km (0.08 R)
• M9: 5,253,578 km (0.087 R)
• M10: 6,702,433 km (0.084 R)
• M11: 7,343,011 km (0.028 R)
• M12: 7,778,940 km (0.073 R)
• M13: 8,529,622 km (0.11 R)
• M14: 8,878,484 km (0.028 R)
• M15: 9,511,881 km (0.106 R)
• M16: 10,272,437 km (0.032 R)
• M17: 11,227,470 km (0.076 R)
• M18: 12,240,846 km (0.107 R)
• M19: 13,724,857 km (0.057 R)
• M20: 15,008,257 km (0.101 R)
• M21: 16,773,811 km (0.097 R)
• M22: 17,601,386 km (0.094 R)
• M23: 18,383,634 km (0.072 R)
• M24: 18,893,313 km (0.085 R)
• M25: 21,265,038 km (0.102 R)
• M26: 24,087,202 km (0.101 R)
• M27: 24,610,047 km (0.083 R)
• M28: 26,776,972 km (0.04 R)
• M29: 29,760,252 km (0.109 R)
• M30: 30,972,294 km (0.087 R)
• M31: 36,151,073 km (0.1 R)
• M32: 36,951,572 km (0.12 R)
• M33: 40,885,248 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.6

Radius: 6.3

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 14.35 AU - 16.87 AU

Year: 22991 Days

Day: 16 Hours

Environment

Temp: -190 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,219,683 km

• M1: 188,194 km (0.025 R)
• M2: 813,364 km (0.109 R)
• M3: 1,019,061 km (0.12 R)
• M4: 1,387,670 km (0.066 R)
• M5: 3,573,594 km (0.107 R)
• M6: 4,880,032 km (0.111 R)
• M7: 5,434,741 km (0.118 R)
• M8: 7,146,440 km (0.047 R)
• M9: 7,817,835 km (0.094 R)
• M10: 9,530,432 km (0.102 R)
• M11: 11,534,744 km (0.081 R)
• M12: 11,760,786 km (0.106 R)
• M13: 12,875,440 km (0.118 R)
• M14: 23,705,129 km (0.115 R)
• M15: 24,907,746 km (0.12 R)
• M16: 31,757,234 km (0.087 R)
• M17: 37,990,230 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.2

Radius: 5.4

Gravity: 13.35 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 16.33 AU - 18.53 AU

Year: 27127 Days

Day: 24.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,219,683 km

• M1: 99,632 km (0.109 R)
• M2: 292,763 km (0.069 R)
• M3: 540,048 km (0.045 R)
• M4: 761,453 km (0.11 R)
• M5: 993,629 km (0.119 R)
• M6: 1,423,125 km (0.069 R)
• M7: 2,027,799 km (0.096 R)
• M8: 2,764,868 km (0.098 R)
• M9: 3,126,446 km (0.116 R)
• M10: 3,607,104 km (0.04 R)
• M11: 5,154,544 km (0.085 R)
• M12: 5,906,573 km (0.064 R)
• M13: 7,675,268 km (0.113 R)
• M14: 8,026,375 km (0.107 R)
• M15: 9,653,401 km (0.118 R)
• M16: 11,423,892 km (0.092 R)
• M17: 11,815,389 km (0.12 R)
• M18: 13,114,647 km (0.114 R)
• M19: 13,543,993 km (0.116 R)
• M20: 13,835,260 km (0.05 R)
• M21: 14,056,515 km (0.102 R)
• M22: 16,155,672 km (0.118 R)
• M23: 16,983,397 km (0.084 R)
• M24: 19,358,862 km (0.043 R)
• M25: 23,689,870 km (0.08 R)
• M26: 24,648,942 km (0.115 R)
• M27: 26,872,116 km (0.104 R)
• M28: 29,590,160 km (0.094 R)
• M29: 31,078,359 km (0.1 R)
• M30: 34,069,120 km (0.102 R)
• M31: 42,918,582 km (0.101 R)
• M32: 50,872,252 km (0.064 R)
• M33: 59,364,624 km (0.096 R)
• M34: 60,144,926 km (0.087 R)
• M35: 60,734,492 km (0.117 R)
• M36: 69,183,630 km (0.105 R)
• M37: 71,137,527 km (0.111 R)
• M38: 72,905,026 km (0.115 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 11,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit