🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.49 AU - 0.67 AU

Year: 285 Days

Day: 25.1 Hours

Environment

Temp: -119 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.2

Radius: 9.9

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.76 AU - 1.1 AU

Year: 579 Days

Day: 13.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,396,359 km

• M1: 123,119 km (0.039 R)
• M2: 449,990 km (0.07 R)
• M3: 926,460 km (0.087 R)
• M4: 1,268,440 km (0.095 R)
• M5: 1,673,551 km (0.063 R)
• M6: 2,033,035 km (0.108 R)
• M7: 2,473,750 km (0.067 R)
• M8: 2,955,007 km (0.077 R)
• M9: 3,289,956 km (0.093 R)
• M10: 3,599,026 km (0.086 R)
• M11: 4,450,836 km (0.062 R)
• M12: 4,767,983 km (0.12 R)
• M13: 5,550,679 km (0.084 R)
• M14: 5,901,038 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.3

Radius: 10.2

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.47 AU - 1.73 AU

Year: 1307 Days

Day: 8.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,396,359 km

• M1: 126,859 km (0.117 R)
• M2: 489,185 km (0.097 R)
• M3: 933,491 km (0.087 R)
• M4: 1,251,386 km (0.097 R)
• M5: 1,617,751 km (0.054 R)
• M6: 2,894,420 km (0.1 R)
• M7: 3,486,528 km (0.101 R)
• M8: 5,043,991 km (0.089 R)
• M9: 6,356,414 km (0.114 R)
• M10: 6,879,856 km (0.095 R)
• M11: 7,630,389 km (0.116 R)
• M12: 9,380,534 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.5

Radius: 12.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.7 AU - 2.22 AU

Year: 1772 Days

Day: 11.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,396,359 km

• M1: 159,322 km (0.087 R)
• M2: 711,039 km (0.094 R)
• M3: 1,544,299 km (0.051 R)
• M4: 2,102,598 km (0.089 R)
• M5: 2,560,218 km (0.114 R)
• M6: 3,084,558 km (0.12 R)
• M7: 3,536,194 km (0.12 R)
• M8: 4,279,247 km (0.067 R)
• M9: 4,843,829 km (0.074 R)
• M10: 5,309,827 km (0.101 R)
• M11: 6,523,514 km (0.104 R)
• M12: 10,325,694 km (0.067 R)
• M13: 10,827,146 km (0.102 R)
• M14: 11,988,175 km (0.033 R)
• M15: 12,467,636 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.6

Radius: 11.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.71 AU - 2.59 AU

Year: 2036 Days

Day: 11 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,396,359 km

• M1: 140,921 km (0.117 R)
• M2: 594,203 km (0.117 R)
• M3: 1,064,688 km (0.093 R)
• M4: 1,512,584 km (0.084 R)
• M5: 1,935,048 km (0.115 R)
• M6: 2,772,647 km (0.108 R)
• M7: 3,289,956 km (0.089 R)
• M8: 3,888,198 km (0.092 R)
• M9: 8,029,067 km (0.089 R)
• M10: 8,429,092 km (0.108 R)
• M11: 10,667,375 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.1

Radius: 8

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.48 AU - 3.48 AU

Year: 3322 Days

Day: 12.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,396,359 km

• M1: 107,710 km (0.034 R)
• M2: 506,688 km (0.111 R)
• M3: 971,937 km (0.111 R)
• M4: 1,627,475 km (0.03 R)
• M5: 2,052,333 km (0.096 R)
• M6: 2,549,297 km (0.086 R)
• M7: 3,875,931 km (0.092 R)
• M8: 4,593,552 km (0.116 R)
• M9: 4,939,572 km (0.078 R)
• M10: 6,690,316 km (0.064 R)
• M11: 7,541,677 km (0.088 R)
• M12: 8,147,998 km (0.054 R)
• M13: 9,185,459 km (0.079 R)
• M14: 12,572,205 km (0.094 R)
• M15: 13,036,258 km (0.105 R)
• M16: 13,953,741 km (0.07 R)
• M17: 15,577,477 km (0.044 R)
• M18: 16,211,472 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.1

Radius: 13.8

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.86 AU - 3.88 AU

Year: 3994 Days

Day: 8.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,396,359 km

• M1: 171,738 km (0.063 R)
• M2: 624,721 km (0.106 R)
• M3: 1,113,607 km (0.084 R)
• M4: 1,636,451 km (0.09 R)
• M5: 2,079,710 km (0.053 R)
• M6: 2,636,962 km (0.081 R)
• M7: 3,179,703 km (0.1 R)
• M8: 4,760,204 km (0.111 R)
• M9: 8,752,373 km (0.117 R)
• M10: 10,094,565 km (0.075 R)
• M11: 14,891,122 km (0.078 R)
• M12: 15,825,809 km (0.09 R)
• M13: 16,336,237 km (0.046 R)
• M14: 17,330,315 km (0.091 R)
• M15: 19,055,328 km (0.049 R)
• M16: 20,025,171 km (0.071 R)
• M17: 21,645,166 km (0.076 R)
• M18: 23,938,801 km (0.117 R)
• M19: 24,687,837 km (0.064 R)

Asteroid Belt

Center: 4.89 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.3

Radius: 5.5

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.4 AU - 7.42 AU

Year: 10479 Days

Day: 20.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,396,359 km

• M1: 68,665 km (0.075 R)
• M2: 279,000 km (0.112 R)
• M3: 467,493 km (0.081 R)
• M4: 1,063,641 km (0.087 R)
• M5: 1,278,613 km (0.092 R)
• M6: 1,574,817 km (0.09 R)
• M7: 2,481,679 km (0.027 R)
• M8: 6,563,158 km (0.054 R)
• M9: 6,920,547 km (0.096 R)
• M10: 10,941,139 km (0.078 R)
• M11: 11,804,469 km (0.072 R)
• M12: 12,603,172 km (0.11 R)
• M13: 18,446,016 km (0.069 R)
• M14: 22,747,104 km (0.09 R)
• M15: 26,941,230 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.5

Radius: 7

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 10.24 AU - 12.22 AU

Year: 24299 Days

Day: 22 Hours

Environment

Temp: -237 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,396,359 km

• M1: 115,490 km (0.077 R)
• M2: 342,579 km (0.113 R)
• M3: 1,645,277 km (0.119 R)
• M4: 2,418,998 km (0.084 R)
• M5: 2,851,036 km (0.118 R)
• M6: 3,280,083 km (0.091 R)
• M7: 3,958,210 km (0.115 R)
• M8: 4,298,695 km (0.074 R)
• M9: 5,781,659 km (0.108 R)
• M10: 6,179,888 km (0.117 R)
• M11: 7,210,019 km (0.117 R)
• M12: 7,813,646 km (0.066 R)
• M13: 9,551,226 km (0.051 R)
• M14: 10,804,108 km (0.096 R)
• M15: 11,593,835 km (0.075 R)
• M16: 14,122,937 km (0.108 R)
• M17: 15,591,539 km (0.117 R)
• M18: 21,158,076 km (0.116 R)
• M19: 29,517,754 km (0.073 R)
• M20: 29,985,547 km (0.092 R)
• M21: 36,928,384 km (0.102 R)
• M22: 38,852,512 km (0.064 R)
• M23: 45,179,006 km (0.06 R)
• M24: 45,644,405 km (0.109 R)
• M25: 57,070,540 km (0.047 R)
• M26: 62,473,268 km (0.088 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: 211 - 13,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit