🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.47 AU - 0.65 AU

Year: 275 Days

Day: 15.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.4

Radius: 10.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.23 AU - 1.45 AU

Year: 1018 Days

Day: 6.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 144.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,385,478 km

• M1: 134,488 km (0.103 R)
• M2: 715,676 km (0.097 R)
• M3: 1,085,781 km (0.05 R)
• M4: 1,628,822 km (0.11 R)
• M5: 2,151,816 km (0.068 R)
• M6: 3,863,515 km (0.11 R)
• M7: 4,224,195 km (0.097 R)
• M8: 4,666,107 km (0.1 R)
• M9: 5,444,166 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.1

Radius: 10

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.43 AU - 1.87 AU

Year: 1390 Days

Day: 11.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,385,478 km

• M1: 124,615 km (0.087 R)
• M2: 510,428 km (0.069 R)
• M3: 936,333 km (0.028 R)
• M4: 1,263,803 km (0.081 R)
• M5: 1,641,837 km (0.117 R)
• M6: 2,160,492 km (0.085 R)
• M7: 2,759,482 km (0.115 R)
• M8: 3,465,734 km (0.117 R)
• M9: 4,235,265 km (0.091 R)
• M10: 4,976,672 km (0.052 R)
• M11: 5,845,686 km (0.101 R)
• M12: 6,339,659 km (0.092 R)
• M13: 9,150,303 km (0.117 R)
• M14: 10,162,483 km (0.095 R)
• M15: 11,179,748 km (0.08 R)
• M16: 11,906,644 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.8

Radius: 11.3

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.28 AU - 2.56 AU

Year: 2470 Days

Day: 9.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,385,478 km

• M1: 140,472 km (0.062 R)
• M2: 573,558 km (0.052 R)
• M3: 975,528 km (0.104 R)
• M4: 1,509,592 km (0.091 R)
• M5: 2,102,448 km (0.094 R)
• M6: 3,385,549 km (0.081 R)
• M7: 3,853,791 km (0.111 R)
• M8: 4,259,351 km (0.107 R)
• M9: 4,715,774 km (0.1 R)
• M10: 5,301,599 km (0.081 R)
• M11: 6,257,380 km (0.04 R)
• M12: 7,632,783 km (0.039 R)
• M13: 8,849,911 km (0.118 R)
• M14: 9,235,724 km (0.088 R)
• M15: 10,154,255 km (0.086 R)
• M16: 10,538,422 km (0.117 R)
• M17: 12,827,718 km (0.052 R)
• M18: 13,322,588 km (0.116 R)
• M19: 14,591,328 km (0.103 R)
• M20: 15,280,076 km (0.096 R)
• M21: 16,511,267 km (0.119 R)
• M22: 19,757,989 km (0.028 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.7

Radius: 13

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.78 AU - 3.46 AU

Year: 3615 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 68,385,478 km

• M1: 161,715 km (0.077 R)
• M2: 757,264 km (0.099 R)
• M3: 1,399,787 km (0.082 R)
• M4: 1,828,236 km (0.085 R)
• M5: 2,286,603 km (0.052 R)
• M6: 3,268,713 km (0.038 R)
• M7: 3,804,274 km (0.114 R)
• M8: 4,561,837 km (0.048 R)
• M9: 5,969,703 km (0.095 R)
• M10: 6,438,094 km (0.077 R)
• M11: 7,717,455 km (0.063 R)
• M12: 8,599,334 km (0.111 R)
• M13: 9,586,680 km (0.111 R)
• M14: 11,922,651 km (0.11 R)
• M15: 12,479,006 km (0.07 R)
• M16: 13,296,558 km (0.115 R)
• M17: 13,945,813 km (0.095 R)
• M18: 14,459,382 km (0.107 R)
• M19: 15,470,215 km (0.116 R)
• M20: 16,076,535 km (0.113 R)
• M21: 16,928,944 km (0.047 R)
• M22: 17,811,272 km (0.081 R)
• M23: 19,413,016 km (0.046 R)
• M24: 22,061,796 km (0.114 R)

Asteroid Belt

Center: 6.39 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.7

Radius: 3.8

Gravity: 63.14 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.48 AU - 9.82 AU

Year: 19665 Days

Day: 15.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 68,385,478 km

• M1: 49,068 km (0.067 R)
• M2: 250,726 km (0.115 R)
• M3: 708,944 km (0.097 R)
• M4: 1,402,630 km (0.073 R)
• M5: 1,982,172 km (0.097 R)
• M6: 2,511,299 km (0.053 R)
• M7: 3,129,139 km (0.106 R)
• M8: 3,533,053 km (0.116 R)
• M9: 3,970,926 km (0.118 R)
• M10: 4,305,277 km (0.105 R)
• M11: 4,444,104 km (0.117 R)
• M12: 6,352,075 km (0.09 R)
• M13: 7,238,143 km (0.027 R)
• M14: 10,262,713 km (0.091 R)
• M15: 10,448,514 km (0.085 R)
• M16: 10,699,689 km (0.076 R)
• M17: 15,124,494 km (0.108 R)
• M18: 15,284,564 km (0.078 R)
• M19: 17,295,159 km (0.056 R)
• M20: 17,646,565 km (0.113 R)
• M21: 18,092,516 km (0.062 R)
• M22: 22,138,989 km (0.069 R)
• M23: 22,972,548 km (0.066 R)
• M24: 26,983,566 km (0.057 R)
• M25: 27,934,111 km (0.054 R)
• M26: 32,091,885 km (0.11 R)
• M27: 33,158,518 km (0.105 R)
• M28: 35,362,094 km (0.098 R)
• M29: 40,673,267 km (0.041 R)
• M30: 40,982,935 km (0.103 R)
• M31: 41,921,512 km (0.091 R)
• M32: 43,195,188 km (0.104 R)
• M33: 45,986,984 km (0.08 R)
• M34: 47,341,293 km (0.041 R)
• M35: 55,079,243 km (0.083 R)
• M36: 59,345,475 km (0.113 R)
• M37: 60,344,939 km (0.086 R)
• M38: 62,171,977 km (0.063 R)
• M39: 63,618,290 km (0.06 R)
• M40: 67,656,684 km (0.078 R)
• M41: 70,516,248 km (0.067 R)
• M42: 74,838,728 km (0.06 R)
• M43: 82,017,930 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.9

Radius: 4.1

Gravity: 30.04 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.68 AU - 11.74 AU

Year: 19849 Days

Day: 16.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,385,478 km

• M1: 53,406 km (0.087 R)
• M2: 191,036 km (0.083 R)
• M3: 336,146 km (0.108 R)
• M4: 483,650 km (0.092 R)
• M5: 631,153 km (0.107 R)
• M6: 2,269,250 km (0.08 R)
• M7: 2,551,691 km (0.116 R)
• M8: 2,689,620 km (0.108 R)
• M9: 3,428,783 km (0.061 R)
• M10: 3,597,230 km (0.07 R)
• M11: 4,073,400 km (0.04 R)
• M12: 4,490,330 km (0.066 R)
• M13: 7,420,802 km (0.1 R)
• M14: 8,389,449 km (0.076 R)
• M15: 9,714,886 km (0.06 R)
• M16: 10,052,678 km (0.118 R)
• M17: 10,573,877 km (0.115 R)
• M18: 11,544,617 km (0.107 R)
• M19: 12,116,081 km (0.099 R)
• M20: 12,573,252 km (0.079 R)
• M21: 14,300,659 km (0.113 R)
• M22: 14,959,338 km (0.119 R)
• M23: 16,574,546 km (0.085 R)
• M24: 17,547,830 km (0.073 R)
• M25: 18,048,534 km (0.068 R)
• M26: 18,473,093 km (0.062 R)
• M27: 18,817,318 km (0.082 R)
• M28: 20,511,514 km (0.08 R)
• M29: 22,499,520 km (0.093 R)
• M30: 35,169,562 km (0.086 R)
• M31: 37,453,473 km (0.111 R)
• M32: 37,728,433 km (0.109 R)
• M33: 40,843,061 km (0.096 R)
• M34: 41,280,635 km (0.096 R)
• M35: 44,585,551 km (0.066 R)
• M36: 46,144,361 km (0.107 R)
• M37: 67,568,721 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 13,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit