🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.83 AU - 1.37 AU

Year: 428 Days

Day: 41.9 Hours

Environment

Temp: -4 °C

Axial Tilt: 11.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 87,676,653 km

• M1: 552,914 km (0.099 R)
• M2: 979,866 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.31 AU - 1.33 AU

Year: 562 Days

Day: 19.3 Hours

Environment

Temp: -27 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,676,653 km

• M1: 75,397 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.78 AU - 4.18 AU

Year: 2408 Days

Day: 30 Hours

Environment

Temp: -113 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,676,653 km

• M1: 295,755 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892

Radius: 10.8

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.24 AU - 5.44 AU

Year: 3949 Days

Day: 6.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,676,653 km

• M1: 137,480 km (0.025 R)
• M2: 484,398 km (0.1 R)
• M3: 945,608 km (0.115 R)
• M4: 1,305,840 km (0.111 R)
• M5: 2,426,477 km (0.101 R)
• M6: 2,935,409 km (0.105 R)
• M7: 3,723,940 km (0.112 R)
• M8: 6,374,216 km (0.055 R)
• M9: 6,752,399 km (0.077 R)
• M10: 7,347,649 km (0.079 R)
• M11: 8,269,022 km (0.108 R)
• M12: 9,385,471 km (0.103 R)
• M13: 10,599,907 km (0.115 R)
• M14: 10,952,659 km (0.118 R)
• M15: 12,201,502 km (0.079 R)
• M16: 13,287,432 km (0.067 R)
• M17: 15,707,627 km (0.032 R)
• M18: 19,177,101 km (0.111 R)
• M19: 25,331,108 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.4

Radius: 12.2

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.63 AU - 6.69 AU

Year: 6374 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,676,653 km

• M1: 155,283 km (0.045 R)
• M2: 536,009 km (0.073 R)
• M3: 1,283,550 km (0.104 R)
• M4: 1,866,533 km (0.105 R)
• M5: 3,003,327 km (0.109 R)
• M6: 3,685,194 km (0.071 R)
• M7: 4,737,017 km (0.111 R)
• M8: 9,027,035 km (0.08 R)
• M9: 10,925,731 km (0.103 R)
• M10: 11,926,092 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.9

Radius: 4.5

Gravity: 30.71 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 12.68 AU - 19.74 AU

Year: 24204 Days

Day: 18.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 87,676,653 km

• M1: 59,241 km (0.085 R)
• M2: 404,961 km (0.066 R)
• M3: 786,885 km (0.077 R)
• M4: 1,362,388 km (0.029 R)
• M5: 1,629,719 km (0.067 R)
• M6: 1,991,596 km (0.087 R)
• M7: 2,246,511 km (0.077 R)
• M8: 2,451,760 km (0.105 R)
• M9: 3,088,149 km (0.043 R)
• M10: 4,325,622 km (0.048 R)
• M11: 5,610,369 km (0.111 R)
• M12: 6,339,509 km (0.101 R)
• M13: 6,657,554 km (0.051 R)
• M14: 8,736,815 km (0.119 R)
• M15: 11,278,333 km (0.11 R)
• M16: 12,293,803 km (0.114 R)
• M17: 13,591,116 km (0.097 R)
• M18: 14,897,554 km (0.103 R)
• M19: 16,795,353 km (0.099 R)
• M20: 17,054,157 km (0.04 R)
• M21: 23,337,567 km (0.093 R)
• M22: 23,985,176 km (0.104 R)
• M23: 26,462,667 km (0.097 R)
• M24: 29,354,094 km (0.1 R)
• M25: 31,134,309 km (0.089 R)
• M26: 31,918,950 km (0.09 R)
• M27: 37,342,471 km (0.094 R)
• M28: 38,675,837 km (0.098 R)
• M29: 41,280,336 km (0.111 R)
• M30: 41,909,694 km (0.093 R)
• M31: 42,545,335 km (0.104 R)
• M32: 45,485,981 km (0.103 R)
• M33: 45,988,929 km (0.097 R)
• M34: 47,691,951 km (0.086 R)
• M35: 48,908,929 km (0.049 R)
• M36: 51,223,508 km (0.075 R)
• M37: 54,547,572 km (0.059 R)
• M38: 61,009,602 km (0.094 R)
• M39: 62,236,753 km (0.066 R)
• M40: 63,480,360 km (0.095 R)
• M41: 65,164,084 km (0.119 R)
• M42: 68,620,543 km (0.079 R)
• M43: 69,281,915 km (0.057 R)
• M44: 77,791,790 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.7

Radius: 7.9

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 13.98 AU - 19.42 AU

Year: 25309 Days

Day: 18.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,676,653 km

• M1: 102,624 km (0.052 R)
• M2: 647,908 km (0.106 R)
• M3: 1,254,079 km (0.12 R)
• M4: 1,943,576 km (0.051 R)
• M5: 2,215,844 km (0.031 R)
• M6: 2,684,833 km (0.083 R)
• M7: 3,051,348 km (0.087 R)
• M8: 8,439,564 km (0.057 R)
• M9: 9,820,801 km (0.119 R)
• M10: 10,565,200 km (0.067 R)
• M11: 13,393,497 km (0.084 R)
• M12: 19,516,239 km (0.093 R)
• M13: 21,808,228 km (0.051 R)
• M14: 22,329,128 km (0.048 R)
• M15: 24,052,346 km (0.089 R)
• M16: 26,211,492 km (0.093 R)
• M17: 30,006,491 km (0.051 R)
• M18: 33,597,139 km (0.117 R)
• M19: 41,142,257 km (0.116 R)
• M20: 43,559,160 km (0.036 R)
• M21: 54,365,213 km (0.098 R)
• M22: 61,512,700 km (0.12 R)
• M23: 67,486,442 km (0.107 R)
• M24: 74,538,485 km (0.102 R)
• M25: 76,434,938 km (0.097 R)
• M26: 81,067,535 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.4

Radius: 4.4

Gravity: 22.49 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 17.35 AU - 20.91 AU

Year: 31030 Days

Day: 21.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 87,676,653 km

• M1: 54,753 km (0.092 R)
• M2: 242,797 km (0.07 R)
• M3: 427,252 km (0.049 R)
• M4: 937,679 km (0.12 R)
• M5: 1,206,507 km (0.103 R)
• M6: 1,423,873 km (0.1 R)
• M7: 1,612,665 km (0.12 R)
• M8: 2,019,721 km (0.109 R)
• M9: 4,565,428 km (0.1 R)
• M10: 4,787,132 km (0.085 R)
• M11: 6,733,699 km (0.065 R)
• M12: 8,417,723 km (0.094 R)
• M13: 8,751,475 km (0.089 R)
• M14: 9,268,486 km (0.109 R)
• M15: 10,682,186 km (0.042 R)
• M16: 11,953,468 km (0.098 R)
• M17: 14,317,115 km (0.093 R)
• M18: 15,278,281 km (0.115 R)
• M19: 19,554,536 km (0.113 R)
• M20: 21,242,150 km (0.101 R)
• M21: 27,363,545 km (0.063 R)
• M22: 38,215,823 km (0.117 R)
• M23: 38,975,930 km (0.109 R)
• M24: 46,966,401 km (0.117 R)
• M25: 51,803,349 km (0.119 R)
• M26: 51,988,551 km (0.118 R)
• M27: 53,297,832 km (0.093 R)
• M28: 55,787,140 km (0.069 R)
• M29: 57,555,238 km (0.094 R)
• M30: 63,931,099 km (0.104 R)
• M31: 68,284,846 km (0.104 R)
• M32: 68,730,797 km (0.03 R)
• M33: 72,832,023 km (0.068 R)
• M34: 76,371,957 km (0.081 R)
• M35: 78,306,108 km (0.085 R)
• M36: 79,777,852 km (0.099 R)
• M37: 81,267,996 km (0.106 R)
• M38: 85,074,215 km (0.091 R)
• M39: 86,890,482 km (0.094 R)
• M40: 87,151,980 km (0.114 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: 279 - 17,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit