🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.59 AU - 0.95 AU

Year: 287 Days

Day: 13.5 Hours

Environment

Temp: 7 °C

Axial Tilt: 24.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.03 AU - 1.11 AU

Year: 470 Days

Day: 32.2 Hours

Environment

Temp: -50 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.98 AU - 1.54 AU

Year: 601 Days

Day: 30.6 Hours

Environment

Temp: -82 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.84 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.84 AU - 3 AU

Year: 1598 Days

Day: 19.1 Hours

Environment

Temp: -117 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.3

Radius: 10.1

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.56 AU - 4.2 AU

Year: 2638 Days

Day: 7.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,805,107 km

• M1: 125,662 km (0.053 R)
• M2: 454,179 km (0.068 R)
• M3: 779,704 km (0.112 R)
• M4: 1,373,907 km (0.113 R)
• M5: 1,886,130 km (0.062 R)
• M6: 2,769,505 km (0.078 R)
• M7: 3,242,085 km (0.066 R)
• M8: 3,867,554 km (0.095 R)
• M9: 4,708,144 km (0.091 R)
• M10: 6,719,936 km (0.114 R)
• M11: 7,139,409 km (0.09 R)
• M12: 8,231,473 km (0.103 R)
• M13: 9,211,638 km (0.107 R)
• M14: 10,704,027 km (0.092 R)
• M15: 12,799,743 km (0.109 R)
• M16: 14,953,205 km (0.067 R)
• M17: 15,462,586 km (0.083 R)
• M18: 17,899,984 km (0.05 R)
• M19: 21,213,576 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344

Radius: 13.1

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 5.98 AU - 6.52 AU

Year: 6634 Days

Day: 7.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,805,107 km

• M1: 166,054 km (0.053 R)
• M2: 652,097 km (0.069 R)
• M3: 1,116,150 km (0.118 R)
• M4: 1,670,559 km (0.054 R)
• M5: 2,207,765 km (0.047 R)
• M6: 4,309,316 km (0.1 R)
• M7: 5,873,512 km (0.098 R)
• M8: 6,325,596 km (0.093 R)
• M9: 7,164,990 km (0.1 R)
• M10: 7,895,925 km (0.071 R)
• M11: 8,599,634 km (0.081 R)
• M12: 9,344,781 km (0.106 R)
• M13: 9,921,032 km (0.034 R)
• M14: 11,009,207 km (0.069 R)
• M15: 12,913,737 km (0.119 R)
• M16: 13,786,192 km (0.105 R)
• M17: 14,807,646 km (0.048 R)
• M18: 15,534,991 km (0.088 R)
• M19: 17,736,473 km (0.102 R)
• M20: 20,823,425 km (0.1 R)
• M21: 23,568,247 km (0.066 R)
• M22: 27,286,652 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.3

Radius: 10.6

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.99 AU - 8.83 AU

Year: 8564 Days

Day: 8.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,805,107 km

• M1: 131,796 km (0.082 R)
• M2: 609,761 km (0.078 R)
• M3: 1,000,959 km (0.076 R)
• M4: 1,562,699 km (0.067 R)
• M5: 2,499,032 km (0.096 R)
• M6: 4,737,914 km (0.037 R)
• M7: 6,380,648 km (0.055 R)
• M8: 8,859,934 km (0.109 R)
• M9: 10,913,464 km (0.11 R)
• M10: 11,877,921 km (0.089 R)
• M11: 14,610,775 km (0.11 R)
• M12: 18,021,756 km (0.104 R)
• M13: 19,850,740 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.9

Radius: 3

Gravity: 47.32 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.98 AU - 14.08 AU

Year: 16623 Days

Day: 21.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,805,107 km

• M1: 37,549 km (0.07 R)
• M2: 154,834 km (0.092 R)
• M3: 290,369 km (0.12 R)
• M4: 955,482 km (0.05 R)
• M5: 1,337,704 km (0.098 R)
• M6: 1,617,602 km (0.119 R)
• M7: 1,746,555 km (0.032 R)
• M8: 2,560,966 km (0.113 R)
• M9: 3,087,102 km (0.101 R)
• M10: 3,185,387 km (0.098 R)
• M11: 3,285,917 km (0.111 R)
• M12: 3,493,260 km (0.112 R)
• M13: 3,654,377 km (0.09 R)
• M14: 4,227,486 km (0.087 R)
• M15: 4,472,677 km (0.064 R)
• M16: 5,230,540 km (0.042 R)
• M17: 5,585,386 km (0.115 R)
• M18: 6,070,233 km (0.055 R)
• M19: 6,870,133 km (0.099 R)
• M20: 7,737,651 km (0.083 R)
• M21: 8,244,787 km (0.104 R)
• M22: 9,021,350 km (0.11 R)
• M23: 10,774,487 km (0.081 R)
• M24: 15,939,055 km (0.115 R)
• M25: 16,985,641 km (0.082 R)
• M26: 18,236,579 km (0.083 R)
• M27: 19,214,351 km (0.12 R)
• M28: 19,970,119 km (0.103 R)
• M29: 24,338,227 km (0.107 R)
• M30: 37,947,594 km (0.075 R)
• M31: 39,402,134 km (0.108 R)
• M32: 44,421,741 km (0.107 R)
• M33: 45,004,425 km (0.076 R)
• M34: 47,084,135 km (0.09 R)
• M35: 52,886,737 km (0.082 R)
• M36: 55,874,506 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.5

Radius: 7.2

Gravity: 15.71 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 9.18 AU - 14.38 AU

Year: 17167 Days

Day: 21.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,805,107 km

• M1: 89,609 km (0.108 R)
• M2: 446,849 km (0.087 R)
• M3: 688,898 km (0.098 R)
• M4: 1,009,337 km (0.055 R)
• M5: 1,412,353 km (0.104 R)
• M6: 2,255,786 km (0.081 R)
• M7: 2,539,873 km (0.112 R)
• M8: 2,947,527 km (0.112 R)
• M9: 4,079,534 km (0.108 R)
• M10: 5,174,890 km (0.088 R)
• M11: 6,241,672 km (0.09 R)
• M12: 6,540,569 km (0.089 R)
• M13: 10,432,357 km (0.099 R)
• M14: 11,925,493 km (0.077 R)
• M15: 12,386,704 km (0.111 R)
• M16: 12,655,381 km (0.04 R)
• M17: 14,572,777 km (0.058 R)
• M18: 15,252,700 km (0.069 R)
• M19: 16,192,025 km (0.083 R)
• M20: 19,601,809 km (0.081 R)
• M21: 21,281,344 km (0.095 R)
• M22: 22,254,778 km (0.044 R)
• M23: 24,817,838 km (0.09 R)
• M24: 27,685,330 km (0.114 R)
• M25: 27,914,663 km (0.068 R)
• M26: 28,610,294 km (0.085 R)
• M27: 29,555,603 km (0.115 R)
• M28: 30,036,111 km (0.088 R)
• M29: 31,383,988 km (0.083 R)
• M30: 35,534,281 km (0.061 R)
• M31: 40,329,492 km (0.055 R)
• M32: 40,920,403 km (0.118 R)
• M33: 52,395,457 km (0.118 R)
• M34: 58,956,970 km (0.115 R)
• M35: 62,237,352 km (0.043 R)
• M36: 68,110,714 km (0.115 R)
• M37: 68,528,840 km (0.08 R)
• M38: 71,288,771 km (0.087 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: 166 - 16,005 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit