🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.43 AU - 0.59 AU

Year: 129 Days

Day: 23.9 Hours

Environment

Temp: 274 °C

Axial Tilt: 28.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,899,303 km

• M1: 351,256 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.59 AU - 0.65 AU

Year: 173 Days

Day: 17.5 Hours

Environment

Temp: 238 °C

Axial Tilt: 32.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,899,303 km

• M1: 68,665 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.59 AU - 0.67 AU

Year: 177 Days

Day: 19.9 Hours

Environment

Temp: 240 °C

Axial Tilt: 38.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,899,303 km

• M1: 144,212 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.86 AU - 0.88 AU

Year: 288 Days

Day: 45.4 Hours

Environment

Temp: 174 °C

Axial Tilt: 25.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,899,303 km

• M1: 514,317 km (0.047 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.85 AU - 1.23 AU

Year: 376 Days

Day: 43.5 Hours

Environment

Temp: 132 °C

Axial Tilt: 15.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,899,303 km

• M1: 665,711 km (0.048 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1 AU - 1.28 AU

Year: 432 Days

Day: 24.4 Hours

Environment

Temp: 34 °C

Axial Tilt: 4.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 7 - Terrestrial

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.36 AU - 5.3 AU

Year: 3766 Days

Day: 42.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.68 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.4

Radius: 9.7

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.51 AU - 8.55 AU

Year: 8838 Days

Day: 7.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 77,899,303 km

• M1: 188,344 km (0.078 R)
• M2: 759,359 km (0.111 R)
• M3: 860,936 km (0.065 R)
• M4: 967,449 km (0.096 R)
• M5: 1,253,780 km (0.113 R)
• M6: 1,314,367 km (0.095 R)
• M7: 1,545,047 km (0.068 R)
• M8: 2,439,343 km (0.082 R)
• M9: 2,992,406 km (0.066 R)
• M10: 3,877,876 km (0.12 R)
• M11: 4,241,249 km (0.106 R)
• M12: 4,521,147 km (0.037 R)
• M13: 4,584,128 km (0.069 R)
• M14: 4,711,136 km (0.09 R)
• M15: 4,903,669 km (0.07 R)
• M16: 4,968,444 km (0.092 R)
• M17: 5,263,451 km (0.1 R)
• M18: 5,429,954 km (0.105 R)
• M19: 6,252,892 km (0.12 R)
• M20: 6,429,268 km (0.067 R)
• M21: 9,066,379 km (0.086 R)
• M22: 9,266,242 km (0.063 R)
• M23: 9,710,996 km (0.084 R)
• M24: 10,162,782 km (0.073 R)
• M25: 10,874,419 km (0.111 R)
• M26: 11,001,727 km (0.118 R)
• M27: 11,950,028 km (0.054 R)
• M28: 12,567,119 km (0.071 R)
• M29: 12,656,129 km (0.118 R)
• M30: 13,059,296 km (0.101 R)
• M31: 13,149,503 km (0.099 R)
• M32: 13,649,011 km (0.097 R)
• M33: 13,832,268 km (0.062 R)
• M34: 13,924,271 km (0.093 R)
• M35: 14,016,423 km (0.073 R)
• M36: 14,433,502 km (0.098 R)
• M37: 14,760,672 km (0.118 R)
• M38: 14,948,717 km (0.103 R)
• M39: 15,997,398 km (0.103 R)
• M40: 16,433,326 km (0.07 R)
• M41: 16,677,171 km (0.12 R)
• M42: 17,316,702 km (0.056 R)
• M43: 18,265,900 km (0.036 R)
• M44: 19,283,315 km (0.11 R)
• M45: 19,643,696 km (0.069 R)
• M46: 20,058,382 km (0.109 R)
• M47: 20,266,772 km (0.107 R)
• M48: 22,067,032 km (0.073 R)
• M49: 22,174,593 km (0.118 R)
• M50: 22,606,333 km (0.1 R)
• M51: 23,587,844 km (0.108 R)
• M52: 23,697,649 km (0.108 R)
• M53: 23,918,007 km (0.113 R)
• M54: 24,194,464 km (0.039 R)
• M55: 24,750,369 km (0.09 R)
• M56: 25,423,111 km (0.115 R)
• M57: 25,592,306 km (0.106 R)
• M58: 25,931,594 km (0.098 R)
• M59: 27,246,260 km (0.072 R)
• M60: 28,582,618 km (0.082 R)
• M61: 29,584,026 km (0.098 R)
• M62: 31,379,051 km (0.091 R)
• M63: 31,439,489 km (0.119 R)
• M64: 31,924,335 km (0.108 R)
• M65: 32,472,911 km (0.101 R)
• M66: 33,209,082 km (0.064 R)
• M67: 34,948,157 km (0.111 R)
• M68: 35,702,579 km (0.075 R)
• M69: 35,891,970 km (0.1 R)
• M70: 37,099,524 km (0.101 R)
• M71: 39,293,377 km (0.1 R)
• M72: 40,471,759 km (0.119 R)
• M73: 41,661,661 km (0.087 R)
• M74: 42,327,820 km (0.078 R)
• M75: 43,266,247 km (0.103 R)
• M76: 43,535,524 km (0.118 R)
• M77: 43,670,461 km (0.105 R)
• M78: 44,143,788 km (0.116 R)
• M79: 44,279,175 km (0.086 R)
• M80: 44,618,612 km (0.045 R)
• M81: 45,163,597 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.1

Radius: 4.1

Gravity: 45.87 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 11.89 AU - 17.05 AU

Year: 19527 Days

Day: 15.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 77,899,303 km

• M1: 78,539 km (0.096 R)
• M2: 153,338 km (0.048 R)
• M3: 560,693 km (0.114 R)
• M4: 769,531 km (0.113 R)
• M5: 1,000,810 km (0.106 R)
• M6: 1,462,020 km (0.033 R)
• M7: 2,083,150 km (0.074 R)
• M8: 2,512,795 km (0.115 R)
• M9: 3,166,538 km (0.054 R)
• M10: 3,368,346 km (0.112 R)
• M11: 3,574,342 km (0.037 R)
• M12: 4,085,368 km (0.088 R)
• M13: 4,172,733 km (0.066 R)
• M14: 4,573,506 km (0.096 R)
• M15: 4,664,312 km (0.113 R)
• M16: 4,847,569 km (0.04 R)
• M17: 6,095,365 km (0.112 R)
• M18: 7,276,740 km (0.114 R)
• M19: 7,811,851 km (0.098 R)
• M20: 8,193,924 km (0.116 R)
• M21: 8,919,474 km (0.082 R)
• M22: 9,033,019 km (0.102 R)
• M23: 10,851,680 km (0.094 R)
• M24: 11,523,374 km (0.037 R)
• M25: 12,083,020 km (0.085 R)
• M26: 12,587,763 km (0.12 R)
• M27: 14,011,187 km (0.038 R)
• M28: 14,541,212 km (0.068 R)
• M29: 14,674,803 km (0.084 R)
• M30: 16,170,483 km (0.095 R)
• M31: 17,500,707 km (0.088 R)
• M32: 17,856,600 km (0.078 R)
• M33: 19,011,346 km (0.079 R)
• M34: 19,893,076 km (0.044 R)
• M35: 20,115,678 km (0.109 R)
• M36: 21,316,350 km (0.088 R)
• M37: 25,375,539 km (0.093 R)
• M38: 26,671,206 km (0.069 R)
• M39: 26,834,716 km (0.053 R)
• M40: 26,916,546 km (0.085 R)
• M41: 28,154,469 km (0.104 R)
• M42: 28,738,499 km (0.072 R)
• M43: 30,685,515 km (0.106 R)
• M44: 32,064,808 km (0.073 R)
• M45: 33,288,069 km (0.087 R)
• M46: 33,817,047 km (0.049 R)
• M47: 34,883,381 km (0.091 R)
• M48: 34,972,691 km (0.037 R)
• M49: 35,870,428 km (0.06 R)
• M50: 36,412,720 km (0.116 R)
• M51: 36,684,839 km (0.065 R)
• M52: 38,147,607 km (0.117 R)
• M53: 38,331,762 km (0.049 R)
• M54: 38,424,063 km (0.11 R)
• M55: 41,602,569 km (0.096 R)
• M56: 42,362,676 km (0.11 R)
• M57: 42,935,786 km (0.066 R)
• M58: 43,511,438 km (0.092 R)
• M59: 43,607,630 km (0.068 R)
• M60: 44,961,640 km (0.078 R)
• M61: 45,253,505 km (0.059 R)
• M62: 45,937,168 km (0.104 R)
• M63: 46,624,271 km (0.094 R)
• M64: 46,722,706 km (0.105 R)
• M65: 47,314,665 km (0.046 R)
• M66: 48,008,500 km (0.109 R)
• M67: 48,905,489 km (0.041 R)
• M68: 49,506,573 km (0.069 R)
• M69: 49,808,162 km (0.111 R)
• M70: 51,426,063 km (0.039 R)
• M71: 52,139,495 km (0.076 R)
• M72: 52,446,171 km (0.099 R)
• M73: 52,753,445 km (0.091 R)
• M74: 53,885,303 km (0.104 R)
• M75: 54,092,047 km (0.116 R)
• M76: 55,650,258 km (0.073 R)
• M77: 56,907,479 km (0.057 R)
• M78: 58,492,169 km (0.113 R)
• M79: 59,236,718 km (0.1 R)
• M80: 59,449,895 km (0.084 R)
• M81: 59,663,520 km (0.085 R)
• M82: 60,842,501 km (0.056 R)
• M83: 61,704,783 km (0.119 R)
• M84: 63,005,836 km (0.113 R)
• M85: 63,223,501 km (0.06 R)
• M86: 64,535,025 km (0.064 R)
• M87: 67,073,701 km (0.07 R)
• M88: 69,757,338 km (0.112 R)
• M89: 70,208,076 km (0.081 R)
• M90: 70,433,819 km (0.062 R)
• M91: 70,999,149 km (0.118 R)
• M92: 71,112,395 km (0.108 R)
• M93: 71,339,036 km (0.047 R)
• M94: 74,537,588 km (0.108 R)
• M95: 77,782,515 km (0.096 R)

Kuiper Belt

Range: 30.9 - 60.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 18,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit