🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.68 AU - 1.1 AU

Year: 311 Days

Day: 28.2 Hours

Environment

Temp: 91 °C

Axial Tilt: 8.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,478,513 km

• M1: 316,250 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.74 AU - 1.14 AU

Year: 338 Days

Day: 18.7 Hours

Environment

Temp: 39 °C

Axial Tilt: 17.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 77,478,513 km

• M1: 283,787 km (0.119 R)
• M2: 303,534 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.9 AU - 1.3 AU

Year: 428 Days

Day: 19.1 Hours

Environment

Temp: -3 °C

Axial Tilt: 13.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 77,478,513 km

• M1: 461,210 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.53 AU - 2.11 AU

Year: 911 Days

Day: 25 Hours

Environment

Temp: -56 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.1 AU - 4.42 AU

Year: 3261 Days

Day: 27.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.18 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 12.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.1

Radius: 14.8

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 11.32 AU - 12.86 AU

Year: 15590 Days

Day: 13.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 77,478,513 km

• M1: 185,501 km (0.05 R)
• M2: 388,655 km (0.101 R)
• M3: 684,261 km (0.104 R)
• M4: 1,019,958 km (0.12 R)
• M5: 1,188,705 km (0.119 R)
• M6: 1,286,990 km (0.07 R)
• M7: 1,753,287 km (0.111 R)
• M8: 2,077,316 km (0.026 R)
• M9: 2,730,610 km (0.061 R)
• M10: 3,618,623 km (0.089 R)
• M11: 3,943,699 km (0.099 R)
• M12: 4,125,012 km (0.077 R)
• M13: 4,371,399 km (0.103 R)
• M14: 4,654,289 km (0.101 R)
• M15: 4,943,312 km (0.051 R)
• M16: 5,438,182 km (0.065 R)
• M17: 5,572,969 km (0.079 R)
• M18: 6,333,974 km (0.08 R)
• M19: 6,618,808 km (0.082 R)
• M20: 7,275,393 km (0.104 R)
• M21: 7,461,493 km (0.071 R)
• M22: 7,762,634 km (0.109 R)
• M23: 9,126,816 km (0.095 R)
• M24: 9,980,721 km (0.105 R)
• M25: 10,312,828 km (0.103 R)
• M26: 10,902,693 km (0.108 R)
• M27: 11,374,076 km (0.099 R)
• M28: 11,764,526 km (0.079 R)
• M29: 12,115,483 km (0.099 R)
• M30: 12,737,959 km (0.079 R)
• M31: 13,370,908 km (0.107 R)
• M32: 13,599,344 km (0.095 R)
• M33: 14,199,680 km (0.114 R)
• M34: 14,479,728 km (0.097 R)
• M35: 14,620,350 km (0.097 R)
• M36: 14,714,447 km (0.059 R)
• M37: 14,950,362 km (0.105 R)
• M38: 15,810,401 km (0.033 R)
• M39: 16,539,391 km (0.096 R)
• M40: 16,932,684 km (0.113 R)
• M41: 19,563,811 km (0.086 R)
• M42: 19,667,482 km (0.065 R)
• M43: 19,927,633 km (0.096 R)
• M44: 20,926,648 km (0.037 R)
• M45: 22,049,529 km (0.042 R)
• M46: 22,482,615 km (0.119 R)
• M47: 23,027,750 km (0.095 R)
• M48: 24,020,033 km (0.032 R)
• M49: 24,689,333 km (0.081 R)
• M50: 24,970,129 km (0.106 R)
• M51: 25,195,423 km (0.101 R)
• M52: 26,274,921 km (0.117 R)
• M53: 28,010,107 km (0.1 R)
• M54: 29,068,961 km (0.077 R)
• M55: 29,841,783 km (0.028 R)
• M56: 30,080,990 km (0.111 R)
• M57: 30,681,775 km (0.114 R)
• M58: 31,104,688 km (0.078 R)
• M59: 31,225,863 km (0.081 R)
• M60: 32,017,235 km (0.089 R)
• M61: 32,692,221 km (0.074 R)
• M62: 33,557,944 km (0.047 R)
• M63: 34,807,834 km (0.054 R)
• M64: 35,059,607 km (0.099 R)
• M65: 35,501,819 km (0.088 R)
• M66: 35,755,237 km (0.039 R)
• M67: 36,455,356 km (0.103 R)
• M68: 36,583,262 km (0.115 R)
• M69: 36,839,224 km (0.079 R)
• M70: 37,740,102 km (0.11 R)
• M71: 38,063,533 km (0.113 R)
• M72: 38,258,010 km (0.113 R)
• M73: 39,235,632 km (0.088 R)
• M74: 39,957,890 km (0.106 R)
• M75: 40,485,821 km (0.118 R)
• M76: 40,618,066 km (0.098 R)
• M77: 41,015,996 km (0.038 R)
• M78: 41,415,273 km (0.051 R)
• M79: 41,615,435 km (0.079 R)
• M80: 42,755,371 km (0.116 R)
• M81: 43,430,655 km (0.036 R)
• M82: 44,997,394 km (0.045 R)
• M83: 45,134,575 km (0.096 R)
• M84: 46,098,285 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.5

Radius: 7.3

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 12.72 AU - 20.44 AU

Year: 25037 Days

Day: 23.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 77,478,513 km

• M1: 343,327 km (0.103 R)
• M2: 473,028 km (0.067 R)
• M3: 533,765 km (0.115 R)
• M4: 619,335 km (0.069 R)
• M5: 780,751 km (0.062 R)
• M6: 829,520 km (0.116 R)
• M7: 1,116,299 km (0.086 R)
• M8: 1,343,688 km (0.092 R)
• M9: 2,537,928 km (0.105 R)
• M10: 2,723,878 km (0.065 R)
• M11: 2,952,763 km (0.057 R)
• M12: 3,267,666 km (0.095 R)
• M13: 4,015,057 km (0.113 R)
• M14: 4,631,700 km (0.113 R)
• M15: 4,813,311 km (0.087 R)
• M16: 5,659,287 km (0.074 R)
• M17: 5,756,227 km (0.067 R)
• M18: 6,348,784 km (0.094 R)
• M19: 6,857,417 km (0.055 R)
• M20: 8,295,202 km (0.11 R)
• M21: 8,405,306 km (0.115 R)
• M22: 8,794,560 km (0.118 R)
• M23: 9,019,555 km (0.115 R)
• M24: 9,076,252 km (0.113 R)
• M25: 9,532,975 km (0.118 R)
• M26: 9,997,327 km (0.045 R)
• M27: 10,055,969 km (0.03 R)
• M28: 10,350,377 km (0.112 R)
• M29: 10,707,617 km (0.089 R)
• M30: 10,767,606 km (0.119 R)
• M31: 11,927,289 km (0.088 R)
• M32: 12,113,987 km (0.06 R)
• M33: 12,238,901 km (0.087 R)
• M34: 13,383,325 km (0.103 R)
• M35: 13,577,503 km (0.09 R)
• M36: 13,772,429 km (0.04 R)
• M37: 13,968,402 km (0.06 R)
• M38: 15,095,921 km (0.098 R)
• M39: 15,977,801 km (0.104 R)
• M40: 17,862,135 km (0.082 R)
• M41: 18,218,627 km (0.109 R)
• M42: 19,595,077 km (0.08 R)
• M43: 20,258,693 km (0.106 R)
• M44: 20,481,594 km (0.037 R)
• M45: 21,004,738 km (0.101 R)
• M46: 21,155,084 km (0.098 R)
• M47: 22,140,485 km (0.107 R)
• M48: 22,600,498 km (0.086 R)
• M49: 23,685,681 km (0.116 R)
• M50: 24,946,791 km (0.118 R)
• M51: 25,105,963 km (0.105 R)
• M52: 25,345,320 km (0.08 R)
• M53: 26,797,467 km (0.104 R)
• M54: 26,960,528 km (0.109 R)
• M55: 28,691,824 km (0.1 R)
• M56: 28,858,626 km (0.069 R)
• M57: 30,119,736 km (0.074 R)
• M58: 30,374,052 km (0.112 R)
• M59: 31,312,779 km (0.053 R)
• M60: 31,656,555 km (0.118 R)
• M61: 32,001,528 km (0.082 R)
• M62: 32,869,345 km (0.074 R)
• M63: 33,043,926 km (0.078 R)
• M64: 33,306,320 km (0.103 R)
• M65: 34,009,281 km (0.102 R)
• M66: 36,688,579 km (0.097 R)
• M67: 40,271,747 km (0.114 R)
• M68: 41,396,573 km (0.072 R)
• M69: 42,912,299 km (0.087 R)
• M70: 44,253,444 km (0.099 R)
• M71: 45,122,757 km (0.116 R)
• M72: 45,900,367 km (0.083 R)
• M73: 46,780,301 km (0.115 R)
• M74: 48,259,376 km (0.088 R)
• M75: 48,855,224 km (0.089 R)
• M76: 52,175,997 km (0.025 R)
• M77: 55,153,743 km (0.098 R)
• M78: 55,257,414 km (0.074 R)
• M79: 55,672,698 km (0.111 R)
• M80: 58,397,324 km (0.086 R)
• M81: 59,456,776 km (0.073 R)
• M82: 59,882,382 km (0.063 R)
• M83: 60,095,559 km (0.06 R)
• M84: 61,487,268 km (0.051 R)
• M85: 62,456,961 km (0.111 R)
• M86: 62,564,971 km (0.103 R)
• M87: 64,084,287 km (0.081 R)
• M88: 65,067,444 km (0.078 R)
• M89: 67,048,569 km (0.099 R)
• M90: 68,937,691 km (0.07 R)
• M91: 70,957,112 km (0.096 R)
• M92: 73,451,358 km (0.039 R)
• M93: 73,793,787 km (0.098 R)
• M94: 75,168,592 km (0.11 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 14,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit