🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.48 AU - 0.56 AU

Year: 238 Days

Day: 28.6 Hours

Environment

Temp: -115 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.7

Radius: 12.8

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.9 AU - 1.28 AU

Year: 724 Days

Day: 6.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,536,457 km

• M1: 159,771 km (0.116 R)
• M2: 905,965 km (0.057 R)
• M3: 1,310,029 km (0.066 R)
• M4: 1,720,376 km (0.094 R)
• M5: 2,422,738 km (0.094 R)
• M6: 3,649,440 km (0.031 R)
• M7: 4,073,700 km (0.109 R)
• M8: 4,547,326 km (0.049 R)
• M9: 5,327,180 km (0.059 R)
• M10: 6,174,054 km (0.064 R)
• M11: 6,845,000 km (0.109 R)
• M12: 8,135,731 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.7

Radius: 9.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.89 AU - 1.41 AU

Year: 784 Days

Day: 5.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,536,457 km

• M1: 123,119 km (0.067 R)
• M2: 626,516 km (0.038 R)
• M3: 1,273,078 km (0.065 R)
• M4: 1,939,536 km (0.069 R)
• M5: 2,434,107 km (0.098 R)
• M6: 3,549,359 km (0.113 R)
• M7: 3,983,642 km (0.098 R)
• M8: 4,307,222 km (0.098 R)
• M9: 6,347,288 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.7

Radius: 12.4

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.37 AU - 6.27 AU

Year: 8927 Days

Day: 11.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 46,536,457 km

• M1: 154,235 km (0.115 R)
• M2: 550,520 km (0.119 R)
• M3: 1,366,427 km (0.041 R)
• M4: 1,760,617 km (0.11 R)
• M5: 2,215,694 km (0.079 R)
• M6: 2,673,613 km (0.075 R)
• M7: 3,503,133 km (0.054 R)
• M8: 4,206,393 km (0.086 R)
• M9: 4,944,060 km (0.105 R)
• M10: 5,575,812 km (0.049 R)
• M11: 6,501,523 km (0.106 R)
• M12: 7,261,032 km (0.105 R)
• M13: 8,038,492 km (0.052 R)
• M14: 8,657,378 km (0.063 R)
• M15: 9,396,990 km (0.062 R)
• M16: 10,903,291 km (0.115 R)
• M17: 13,399,481 km (0.095 R)
• M18: 15,117,463 km (0.11 R)
• M19: 16,450,081 km (0.078 R)
• M20: 20,764,633 km (0.103 R)
• M21: 24,309,056 km (0.107 R)
• M22: 24,735,858 km (0.083 R)
• M23: 32,160,849 km (0.055 R)
• M24: 33,405,055 km (0.036 R)
• M25: 34,039,051 km (0.076 R)
• M26: 34,896,845 km (0.051 R)
• M27: 36,321,465 km (0.12 R)
• M28: 38,704,111 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.4

Radius: 5.6

Gravity: 23.39 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.57 AU - 8.09 AU

Year: 11349 Days

Day: 20.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 46,536,457 km

• M1: 70,461 km (0.082 R)
• M2: 300,393 km (0.096 R)
• M3: 477,068 km (0.117 R)
• M4: 668,553 km (0.094 R)
• M5: 1,251,835 km (0.069 R)
• M6: 1,703,471 km (0.071 R)
• M7: 2,257,581 km (0.087 R)
• M8: 3,206,182 km (0.111 R)
• M9: 3,403,651 km (0.109 R)
• M10: 3,662,006 km (0.106 R)
• M11: 3,989,177 km (0.098 R)
• M12: 5,188,653 km (0.089 R)
• M13: 5,531,381 km (0.039 R)
• M14: 5,708,356 km (0.091 R)
• M15: 8,183,303 km (0.113 R)
• M16: 9,227,945 km (0.057 R)
• M17: 9,629,017 km (0.084 R)
• M18: 9,885,577 km (0.09 R)
• M19: 10,737,088 km (0.051 R)
• M20: 11,927,588 km (0.099 R)
• M21: 12,524,334 km (0.11 R)
• M22: 14,169,013 km (0.047 R)
• M23: 15,249,558 km (0.096 R)
• M24: 17,046,378 km (0.034 R)
• M25: 17,956,980 km (0.093 R)
• M26: 18,660,988 km (0.081 R)
• M27: 21,836,951 km (0.118 R)
• M28: 22,910,166 km (0.065 R)
• M29: 28,808,212 km (0.116 R)
• M30: 29,020,641 km (0.106 R)
• M31: 30,426,412 km (0.102 R)
• M32: 36,629,039 km (0.096 R)
• M33: 37,128,696 km (0.081 R)
• M34: 38,397,734 km (0.065 R)
• M35: 42,928,605 km (0.109 R)
• M36: 45,897,973 km (0.107 R)
• M37: 51,457,778 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.7

Radius: 6.5

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.82 AU - 8.92 AU

Year: 12721 Days

Day: 22.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 101.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,536,457 km

• M1: 82,129 km (0.04 R)
• M2: 746,045 km (0.094 R)
• M3: 2,534,637 km (0.058 R)
• M4: 2,746,019 km (0.091 R)
• M5: 4,114,689 km (0.072 R)
• M6: 6,293,582 km (0.082 R)
• M7: 6,755,690 km (0.095 R)
• M8: 9,232,133 km (0.101 R)
• M9: 13,089,365 km (0.097 R)
• M10: 25,244,790 km (0.033 R)
• M11: 26,227,499 km (0.094 R)
• M12: 27,050,137 km (0.12 R)
• M13: 28,459,499 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.8

Radius: 6

Gravity: 25.22 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 8.89 AU - 9.47 AU

Year: 17685 Days

Day: 19.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 46,536,457 km

• M1: 83,625 km (0.097 R)
• M2: 276,756 km (0.076 R)
• M3: 569,519 km (0.101 R)
• M4: 797,207 km (0.102 R)
• M5: 1,178,382 km (0.064 R)
• M6: 1,818,063 km (0.107 R)
• M7: 2,009,399 km (0.072 R)
• M8: 2,838,919 km (0.117 R)
• M9: 3,151,578 km (0.098 R)
• M10: 3,693,422 km (0.064 R)
• M11: 4,066,369 km (0.088 R)
• M12: 4,328,764 km (0.031 R)
• M13: 6,493,894 km (0.046 R)
• M14: 6,898,706 km (0.105 R)
• M15: 10,520,171 km (0.067 R)
• M16: 13,012,472 km (0.106 R)
• M17: 15,160,547 km (0.119 R)
• M18: 16,772,764 km (0.104 R)
• M19: 19,677,057 km (0.099 R)
• M20: 21,988,643 km (0.11 R)
• M21: 22,289,784 km (0.028 R)
• M22: 24,048,157 km (0.043 R)
• M23: 31,118,601 km (0.098 R)
• M24: 32,009,157 km (0.097 R)
• M25: 37,426,395 km (0.103 R)
• M26: 46,156,179 km (0.034 R)
• M27: 47,647,819 km (0.052 R)
• M28: 48,659,999 km (0.025 R)
• M29: 51,782,405 km (0.097 R)
• M30: 52,852,180 km (0.065 R)
• M31: 56,900,897 km (0.078 R)
• M32: 69,844,852 km (0.109 R)
• M33: 71,150,243 km (0.05 R)
• M34: 71,809,072 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.4

Radius: 7.3

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.83 AU - 9.75 AU

Year: 18003 Days

Day: 21.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,536,457 km

• M1: 92,152 km (0.053 R)
• M2: 485,146 km (0.076 R)
• M3: 1,121,386 km (0.099 R)
• M4: 1,447,808 km (0.08 R)
• M5: 1,981,424 km (0.076 R)
• M6: 2,762,025 km (0.094 R)
• M7: 3,041,026 km (0.095 R)
• M8: 3,291,901 km (0.081 R)
• M9: 3,656,172 km (0.102 R)
• M10: 4,943,761 km (0.06 R)
• M11: 6,001,567 km (0.05 R)
• M12: 6,546,403 km (0.109 R)
• M13: 7,692,472 km (0.094 R)
• M14: 8,737,563 km (0.04 R)
• M15: 13,565,535 km (0.084 R)
• M16: 22,644,181 km (0.119 R)
• M17: 23,339,961 km (0.094 R)
• M18: 28,113,778 km (0.064 R)
• M19: 30,675,343 km (0.049 R)
• M20: 33,165,698 km (0.085 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 16,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit