🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.48 AU - 0.8 AU

Year: 331 Days

Day: 41.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.5

Radius: 9.9

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.22 AU - 1.58 AU

Year: 1070 Days

Day: 7.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,872,903 km

• M1: 123,418 km (0.093 R)
• M2: 632,649 km (0.035 R)
• M3: 1,392,307 km (0.117 R)
• M4: 1,898,397 km (0.119 R)
• M5: 2,872,429 km (0.067 R)
• M6: 3,239,691 km (0.068 R)
• M7: 3,773,307 km (0.101 R)
• M8: 4,085,518 km (0.118 R)
• M9: 4,673,886 km (0.099 R)
• M10: 6,448,117 km (0.066 R)
• M11: 6,805,207 km (0.084 R)
• M12: 7,317,729 km (0.095 R)
• M13: 8,289,667 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.9

Radius: 9.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.24 AU - 1.56 AU

Year: 1070 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 77,872,903 km

• M1: 115,340 km (0.056 R)
• M2: 1,366,726 km (0.111 R)
• M3: 2,730,909 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.1

Radius: 10.6

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.92 AU - 2.3 AU

Year: 1979 Days

Day: 12.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,872,903 km

• M1: 131,796 km (0.09 R)
• M2: 475,572 km (0.087 R)
• M3: 1,829,283 km (0.059 R)
• M4: 2,677,802 km (0.039 R)
• M5: 3,240,140 km (0.114 R)
• M6: 3,734,561 km (0.071 R)
• M7: 4,747,488 km (0.094 R)
• M8: 5,620,542 km (0.12 R)
• M9: 6,757,186 km (0.104 R)
• M10: 7,112,631 km (0.105 R)
• M11: 10,787,353 km (0.081 R)
• M12: 12,863,472 km (0.117 R)
• M13: 13,711,842 km (0.115 R)
• M14: 15,379,409 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.1

Radius: 14.3

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.43 AU - 3.31 AU

Year: 3139 Days

Day: 13.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,872,903 km

• M1: 182,061 km (0.093 R)
• M2: 702,512 km (0.031 R)
• M3: 1,437,187 km (0.072 R)
• M4: 4,311,859 km (0.072 R)
• M5: 4,925,510 km (0.088 R)
• M6: 7,094,978 km (0.118 R)
• M7: 8,846,171 km (0.065 R)
• M8: 13,322,738 km (0.07 R)
• M9: 14,106,630 km (0.115 R)
• M10: 16,175,569 km (0.097 R)
• M11: 16,696,618 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.7

Radius: 12.6

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.93 AU - 3.09 AU

Year: 3372 Days

Day: 13.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,872,903 km

• M1: 156,779 km (0.103 R)
• M2: 669,450 km (0.104 R)
• M3: 1,313,918 km (0.077 R)
• M4: 1,853,817 km (0.082 R)
• M5: 2,259,526 km (0.082 R)
• M6: 2,904,742 km (0.091 R)
• M7: 3,389,738 km (0.081 R)
• M8: 5,946,964 km (0.104 R)
• M9: 8,549,070 km (0.105 R)
• M10: 9,903,977 km (0.099 R)
• M11: 11,125,743 km (0.117 R)
• M12: 12,907,753 km (0.1 R)
• M13: 13,425,212 km (0.09 R)
• M14: 16,025,672 km (0.107 R)
• M15: 16,775,606 km (0.099 R)
• M16: 17,288,428 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.9

Radius: 4.3

Gravity: 30.66 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.06 AU - 7.12 AU

Year: 10923 Days

Day: 20.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,872,903 km

• M1: 57,296 km (0.09 R)
• M2: 370,255 km (0.073 R)
• M3: 737,667 km (0.119 R)
• M4: 910,901 km (0.073 R)
• M5: 1,168,808 km (0.116 R)
• M6: 1,501,514 km (0.115 R)
• M7: 2,045,601 km (0.071 R)
• M8: 2,587,894 km (0.055 R)
• M9: 2,732,106 km (0.062 R)
• M10: 3,150,830 km (0.109 R)
• M11: 3,870,695 km (0.076 R)
• M12: 4,032,261 km (0.04 R)
• M13: 5,697,136 km (0.11 R)
• M14: 6,048,990 km (0.119 R)
• M15: 7,813,946 km (0.1 R)
• M16: 9,212,386 km (0.082 R)
• M17: 9,945,416 km (0.12 R)
• M18: 10,351,873 km (0.103 R)
• M19: 11,861,914 km (0.045 R)
• M20: 14,781,766 km (0.104 R)
• M21: 18,373,162 km (0.09 R)
• M22: 28,010,406 km (0.03 R)
• M23: 34,005,690 km (0.104 R)
• M24: 43,972,499 km (0.03 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.6

Radius: 3

Gravity: 104.18 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.61 AU - 8.37 AU

Year: 14583 Days

Day: 24.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,872,903 km

• M1: 37,848 km (0.059 R)
• M2: 191,036 km (0.05 R)
• M3: 355,893 km (0.082 R)
• M4: 456,573 km (0.115 R)
• M5: 679,922 km (0.034 R)
• M6: 880,383 km (0.083 R)
• M7: 1,324,689 km (0.05 R)
• M8: 1,571,226 km (0.045 R)
• M9: 1,722,919 km (0.107 R)
• M10: 1,958,984 km (0.098 R)
• M11: 2,821,715 km (0.082 R)
• M12: 4,001,893 km (0.12 R)
• M13: 4,648,903 km (0.044 R)
• M14: 5,628,919 km (0.098 R)
• M15: 6,105,538 km (0.101 R)
• M16: 6,651,869 km (0.076 R)
• M17: 7,414,370 km (0.056 R)
• M18: 8,742,200 km (0.118 R)
• M19: 9,057,553 km (0.106 R)
• M20: 9,271,777 km (0.071 R)
• M21: 11,232,257 km (0.062 R)
• M22: 13,041,045 km (0.066 R)
• M23: 13,801,600 km (0.082 R)
• M24: 16,339,229 km (0.085 R)
• M25: 20,152,628 km (0.069 R)
• M26: 21,830,668 km (0.11 R)
• M27: 27,086,340 km (0.105 R)
• M28: 27,980,337 km (0.108 R)
• M29: 28,434,815 km (0.101 R)
• M30: 29,827,272 km (0.114 R)
• M31: 32,248,065 km (0.11 R)
• M32: 33,125,457 km (0.049 R)
• M33: 33,506,183 km (0.118 R)
• M34: 42,341,284 km (0.037 R)
• M35: 44,154,111 km (0.047 R)
• M36: 46,492,026 km (0.066 R)
• M37: 65,805,261 km (0.098 R)
• M38: 67,417,477 km (0.112 R)
• M39: 67,620,781 km (0.028 R)

Asteroid Belt

Center: 8.57 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833

Radius: 7.4

Gravity: 15.21 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.85 AU - 10.43 AU

Year: 17842 Days

Day: 17 Hours

Environment

Temp: -236 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,872,903 km

• M1: 93,798 km (0.106 R)
• M2: 474,524 km (0.09 R)
• M3: 778,208 km (0.102 R)
• M4: 5,741,117 km (0.039 R)
• M5: 7,033,643 km (0.054 R)
• M6: 11,094,178 km (0.095 R)
• M7: 14,834,574 km (0.073 R)
• M8: 24,042,023 km (0.107 R)
• M9: 24,893,534 km (0.107 R)
• M10: 25,654,838 km (0.105 R)
• M11: 30,800,257 km (0.087 R)
• M12: 32,058,674 km (0.087 R)
• M13: 38,004,591 km (0.112 R)
• M14: 39,013,629 km (0.119 R)
• M15: 41,084,961 km (0.105 R)
• M16: 44,327,943 km (0.104 R)
• M17: 53,982,541 km (0.097 R)
• M18: 54,344,568 km (0.116 R)
• M19: 58,244,884 km (0.057 R)
• M20: 66,182,696 km (0.108 R)
• M21: 70,408,986 km (0.097 R)
• M22: 73,250,448 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 658.1

Radius: 7.8

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.69 AU - 11.77 AU

Year: 21127 Days

Day: 23.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,872,903 km

• M1: 96,939 km (0.099 R)
• M2: 622,028 km (0.117 R)
• M3: 2,073,426 km (0.093 R)
• M4: 2,742,279 km (0.093 R)
• M5: 6,025,503 km (0.051 R)
• M6: 9,936,141 km (0.105 R)
• M7: 14,960,236 km (0.083 R)
• M8: 16,645,905 km (0.096 R)
• M9: 20,485,484 km (0.067 R)
• M10: 21,653,993 km (0.105 R)
• M11: 23,384,541 km (0.095 R)
• M12: 29,126,705 km (0.084 R)
• M13: 31,998,536 km (0.103 R)
• M14: 38,443,511 km (0.102 R)
• M15: 41,737,208 km (0.098 R)
• M16: 42,045,678 km (0.056 R)
• M17: 43,610,771 km (0.051 R)
• M18: 45,702,897 km (0.078 R)
• M19: 53,461,342 km (0.065 R)
• M20: 56,418,443 km (0.085 R)
• M21: 68,693,397 km (0.071 R)
• M22: 70,861,669 km (0.091 R)
• M23: 75,106,509 km (0.096 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 191 - 14,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit