🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.78 AU - 0.94 AU

Year: 286 Days

Day: 29.2 Hours

Environment

Temp: 175 °C

Axial Tilt: 36 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.84 AU - 1.02 AU

Year: 321 Days

Day: 15 Hours

Environment

Temp: 117 °C

Axial Tilt: 8.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.83 AU - 1.07 AU

Year: 332 Days

Day: 17.8 Hours

Environment

Temp: 168 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.18 AU - 1.2 AU

Year: 465 Days

Day: 43.8 Hours

Environment

Temp: 26 °C

Axial Tilt: 24.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 49,811,388 km

• M1: 353,201 km (0.04 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.29 AU - 1.33 AU

Year: 537 Days

Day: 19.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 37.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 49,811,388 km

• M1: 407,205 km (0.081 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.37 AU - 3.07 AU

Year: 1607 Days

Day: 39.4 Hours

Environment

Temp: -99 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.42 AU - 3.72 AU

Year: 2416 Days

Day: 29.8 Hours

Environment

Temp: -104 °C

Axial Tilt: 111.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,811,388 km

• M1: 2,603,601 km (0.054 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.41 AU - 5.61 AU

Year: 3430 Days

Day: 13.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,811,388 km

• M1: 511,475 km (0.051 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.1

Radius: 11.1

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.85 AU - 9.13 AU

Year: 7342 Days

Day: 6.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 49,811,388 km

• M1: 145,260 km (0.116 R)
• M2: 609,611 km (0.078 R)
• M3: 891,903 km (0.092 R)
• M4: 1,272,928 km (0.117 R)
• M5: 1,390,961 km (0.049 R)
• M6: 1,811,331 km (0.093 R)
• M7: 1,990,549 km (0.067 R)
• M8: 2,105,590 km (0.05 R)
• M9: 2,342,403 km (0.113 R)
• M10: 2,613,176 km (0.046 R)
• M11: 2,739,735 km (0.064 R)
• M12: 3,513,306 km (0.091 R)
• M13: 3,824,021 km (0.093 R)
• M14: 5,153,796 km (0.049 R)
• M15: 5,604,684 km (0.097 R)
• M16: 6,101,948 km (0.117 R)
• M17: 6,304,952 km (0.104 R)
• M18: 6,510,051 km (0.106 R)
• M19: 6,613,423 km (0.103 R)
• M20: 6,927,129 km (0.074 R)
• M21: 6,997,440 km (0.078 R)
• M22: 7,316,981 km (0.115 R)
• M23: 7,605,107 km (0.116 R)
• M24: 7,860,171 km (0.114 R)
• M25: 8,118,228 km (0.054 R)
• M26: 8,379,126 km (0.054 R)
• M27: 9,333,112 km (0.112 R)
• M28: 9,763,655 km (0.055 R)
• M29: 10,442,081 km (0.09 R)
• M30: 10,522,864 km (0.096 R)
• M31: 11,425,687 km (0.119 R)
• M32: 11,886,299 km (0.118 R)
• M33: 12,353,044 km (0.108 R)
• M34: 12,610,203 km (0.117 R)
• M35: 13,700,771 km (0.041 R)
• M36: 14,414,503 km (0.067 R)
• M37: 15,048,947 km (0.117 R)
• M38: 15,231,906 km (0.078 R)
• M39: 15,738,893 km (0.06 R)
• M40: 16,298,239 km (0.032 R)
• M41: 16,439,011 km (0.092 R)
• M42: 16,533,257 km (0.099 R)
• M43: 16,627,504 km (0.115 R)
• M44: 17,918,235 km (0.066 R)
• M45: 18,160,882 km (0.061 R)
• M46: 18,404,428 km (0.045 R)
• M47: 19,043,061 km (0.108 R)
• M48: 20,039,682 km (0.118 R)
• M49: 20,798,293 km (0.025 R)
• M50: 21,104,370 km (0.074 R)
• M51: 21,617,790 km (0.117 R)
• M52: 22,187,309 km (0.105 R)
• M53: 22,657,046 km (0.076 R)
• M54: 24,299,930 km (0.099 R)
• M55: 25,597,991 km (0.108 R)
• M56: 25,816,553 km (0.063 R)
• M57: 26,918,491 km (0.117 R)
• M58: 27,085,143 km (0.105 R)
• M59: 27,363,545 km (0.108 R)
• M60: 27,698,943 km (0.099 R)
• M61: 28,940,606 km (0.116 R)
• M62: 30,604,732 km (0.046 R)
• M63: 30,894,803 km (0.104 R)
• M64: 33,905,161 km (0.116 R)
• M65: 34,627,120 km (0.098 R)
• M66: 34,747,845 km (0.083 R)
• M67: 35,050,482 km (0.077 R)
• M68: 35,293,279 km (0.086 R)
• M69: 35,414,753 km (0.054 R)
• M70: 35,658,298 km (0.103 R)
• M71: 37,069,604 km (0.111 R)
• M72: 37,317,039 km (0.103 R)
• M73: 37,564,773 km (0.114 R)
• M74: 39,441,179 km (0.093 R)
• M75: 39,946,671 km (0.096 R)
• M76: 41,604,365 km (0.112 R)
• M77: 43,414,499 km (0.078 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.6

Radius: 9.2

Gravity: 9.65 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.61 AU - 10.43 AU

Year: 9702 Days

Day: 11.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 49,811,388 km

• M1: 196,721 km (0.113 R)
• M2: 359,783 km (0.087 R)
• M3: 790,774 km (0.051 R)
• M4: 1,238,970 km (0.115 R)
• M5: 1,367,773 km (0.119 R)
• M6: 1,546,692 km (0.077 R)
• M7: 2,002,218 km (0.102 R)
• M8: 2,077,914 km (0.117 R)
• M9: 2,801,819 km (0.099 R)
• M10: 3,690,430 km (0.096 R)
• M11: 4,036,899 km (0.076 R)
• M12: 4,360,928 km (0.09 R)
• M13: 4,492,873 km (0.025 R)
• M14: 4,559,444 km (0.081 R)
• M15: 4,727,143 km (0.118 R)
• M16: 4,896,937 km (0.11 R)
• M17: 5,207,651 km (0.104 R)
• M18: 5,921,084 km (0.108 R)
• M19: 5,994,087 km (0.096 R)
• M20: 7,242,183 km (0.103 R)
• M21: 7,398,811 km (0.059 R)
• M22: 7,675,717 km (0.114 R)
• M23: 8,650,646 km (0.04 R)
• M24: 12,078,981 km (0.054 R)
• M25: 12,451,928 km (0.096 R)
• M26: 12,592,700 km (0.109 R)
• M27: 13,304,786 km (0.084 R)
• M28: 13,738,171 km (0.081 R)
• M29: 13,883,730 km (0.116 R)
• M30: 14,127,425 km (0.029 R)
• M31: 14,274,330 km (0.088 R)
• M32: 14,372,615 km (0.108 R)
• M33: 14,767,703 km (0.083 R)
• M34: 14,867,036 km (0.102 R)
• M35: 14,966,669 km (0.09 R)
• M36: 17,422,018 km (0.099 R)
• M37: 17,685,011 km (0.101 R)
• M38: 18,642,288 km (0.106 R)
• M39: 18,749,700 km (0.091 R)
• M40: 19,344,052 km (0.104 R)
• M41: 19,780,279 km (0.07 R)
• M42: 19,944,687 km (0.026 R)
• M43: 20,274,850 km (0.032 R)
• M44: 20,940,710 km (0.094 R)
• M45: 21,220,308 km (0.05 R)
• M46: 22,636,402 km (0.058 R)
• M47: 22,980,926 km (0.11 R)
• M48: 23,038,521 km (0.074 R)
• M49: 23,327,095 km (0.118 R)
• M50: 24,787,918 km (0.12 R)
• M51: 25,202,304 km (0.066 R)
• M52: 25,917,981 km (0.086 R)
• M53: 27,186,271 km (0.079 R)
• M54: 27,613,523 km (0.12 R)
• M55: 27,736,044 km (0.104 R)
• M56: 28,289,556 km (0.069 R)
• M57: 28,536,691 km (0.056 R)
• M58: 29,783,141 km (0.099 R)
• M59: 31,110,972 km (0.078 R)
• M60: 31,493,942 km (0.097 R)
• M61: 31,878,409 km (0.084 R)
• M62: 32,393,474 km (0.067 R)
• M63: 32,522,727 km (0.06 R)
• M64: 33,236,458 km (0.085 R)
• M65: 33,627,956 km (0.089 R)
• M66: 35,541,462 km (0.045 R)
• M67: 36,814,091 km (0.092 R)
• M68: 37,761,495 km (0.054 R)
• M69: 38,238,263 km (0.11 R)
• M70: 38,854,008 km (0.1 R)
• M71: 39,542,158 km (0.063 R)
• M72: 39,749,351 km (0.106 R)
• M73: 40,373,174 km (0.081 R)
• M74: 40,512,151 km (0.08 R)
• M75: 40,930,277 km (0.082 R)
• M76: 42,405,012 km (0.115 R)
• M77: 43,255,626 km (0.083 R)
• M78: 44,326,597 km (0.094 R)
• M79: 44,470,061 km (0.093 R)
• M80: 44,685,632 km (0.087 R)
• M81: 46,349,310 km (0.113 R)
• M82: 47,005,745 km (0.098 R)
• M83: 47,518,417 km (0.12 R)
• M84: 47,665,322 km (0.04 R)
• M85: 49,364,754 km (0.076 R)

Kuiper Belt

Range: 30.6 - 47.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 19,078 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit