🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.6 AU - 0.74 AU

Year: 193 Days

Day: 34.6 Hours

Environment

Temp: 198 °C

Axial Tilt: 41.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.07 AU - 1.43 AU

Year: 491 Days

Day: 46.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 19.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 88,466,533 km

• M1: 111,899 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.31 AU - 3.15 AU

Year: 1585 Days

Day: 42 Hours

Environment

Temp: -75 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.34 AU - 3.88 AU

Year: 1928 Days

Day: 47.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.83 AU - 3.47 AU

Year: 1965 Days

Day: 20.8 Hours

Environment

Temp: -101 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.38 AU - 4.56 AU

Year: 2780 Days

Day: 23.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.1

Radius: 12

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.47 AU - 8.07 AU

Year: 6191 Days

Day: 12.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 88,466,533 km

• M1: 174,880 km (0.068 R)
• M2: 304,880 km (0.117 R)
• M3: 416,331 km (0.08 R)
• M4: 494,271 km (0.113 R)
• M5: 789,428 km (0.052 R)
• M6: 1,012,778 km (0.093 R)
• M7: 1,348,326 km (0.102 R)
• M8: 1,441,824 km (0.104 R)
• M9: 1,635,404 km (0.089 R)
• M10: 1,872,517 km (0.077 R)
• M11: 1,977,684 km (0.109 R)
• M12: 2,084,946 km (0.082 R)
• M13: 2,268,053 km (0.111 R)
• M14: 2,418,399 km (0.118 R)
• M15: 2,689,770 km (0.081 R)
• M16: 2,829,195 km (0.056 R)
• M17: 2,991,658 km (0.072 R)
• M18: 3,283,374 km (0.107 R)
• M19: 4,236,761 km (0.095 R)
• M20: 4,660,123 km (0.116 R)
• M21: 4,780,250 km (0.104 R)
• M22: 5,121,932 km (0.09 R)
• M23: 5,471,692 km (0.086 R)
• M24: 5,649,564 km (0.103 R)
• M25: 5,803,500 km (0.066 R)
• M26: 5,881,141 km (0.057 R)
• M27: 6,142,040 km (0.06 R)
• M28: 6,460,085 km (0.038 R)
• M29: 6,675,207 km (0.083 R)
• M30: 6,975,001 km (0.071 R)
• M31: 7,418,858 km (0.043 R)
• M32: 7,843,416 km (0.076 R)
• M33: 8,159,666 km (0.105 R)
• M34: 8,686,550 km (0.081 R)
• M35: 8,954,031 km (0.104 R)
• M36: 9,133,997 km (0.103 R)
• M37: 9,375,747 km (0.074 R)
• M38: 9,680,777 km (0.056 R)
• M39: 9,865,531 km (0.05 R)
• M40: 10,426,523 km (0.068 R)
• M41: 10,774,637 km (0.09 R)
• M42: 11,030,150 km (0.052 R)
• M43: 11,482,085 km (0.076 R)
• M44: 11,874,331 km (0.105 R)
• M45: 12,138,371 km (0.059 R)
• M46: 12,840,584 km (0.079 R)
• M47: 13,179,572 km (0.042 R)
• M48: 13,521,553 km (0.079 R)
• M49: 13,693,591 km (0.114 R)
• M50: 14,005,203 km (0.045 R)
• M51: 14,459,532 km (0.078 R)
• M52: 15,203,632 km (0.077 R)
• M53: 15,346,797 km (0.064 R)
• M54: 15,670,527 km (0.079 R)
• M55: 17,136,436 km (0.118 R)
• M56: 17,697,428 km (0.105 R)
• M57: 18,037,015 km (0.102 R)
• M58: 18,569,434 km (0.086 R)
• M59: 19,805,860 km (0.106 R)
• M60: 20,118,969 km (0.104 R)
• M61: 20,829,858 km (0.085 R)
• M62: 21,388,456 km (0.094 R)
• M63: 21,911,451 km (0.062 R)
• M64: 22,194,938 km (0.044 R)
• M65: 22,357,402 km (0.08 R)
• M66: 22,642,685 km (0.11 R)
• M67: 23,423,287 km (0.075 R)
• M68: 23,796,084 km (0.067 R)
• M69: 23,879,261 km (0.083 R)
• M70: 24,884,259 km (0.1 R)
• M71: 25,732,180 km (0.116 R)
• M72: 25,902,871 km (0.08 R)
• M73: 26,331,469 km (0.114 R)
• M74: 26,417,488 km (0.083 R)
• M75: 26,935,246 km (0.09 R)
• M76: 27,152,014 km (0.114 R)
• M77: 27,456,595 km (0.05 R)
• M78: 28,112,731 km (0.038 R)
• M79: 28,597,279 km (0.067 R)
• M80: 28,685,691 km (0.078 R)
• M81: 29,084,668 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.4

Radius: 9.4

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 9.59 AU - 9.63 AU

Year: 10470 Days

Day: 14.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,466,533 km

• M1: 309,668 km (0.119 R)
• M2: 518,656 km (0.065 R)
• M3: 640,877 km (0.11 R)
• M4: 879,037 km (0.095 R)
• M5: 1,002,455 km (0.096 R)
• M6: 1,480,271 km (0.087 R)
• M7: 1,925,175 km (0.097 R)
• M8: 2,055,176 km (0.059 R)
• M9: 2,515,189 km (0.113 R)
• M10: 2,729,862 km (0.065 R)
• M11: 3,687,737 km (0.083 R)
• M12: 4,244,989 km (0.066 R)
• M13: 4,372,447 km (0.117 R)
• M14: 7,456,107 km (0.086 R)
• M15: 7,610,193 km (0.118 R)
• M16: 8,908,254 km (0.119 R)
• M17: 9,071,914 km (0.094 R)
• M18: 9,708,453 km (0.118 R)
• M19: 10,618,008 km (0.11 R)
• M20: 10,733,647 km (0.119 R)
• M21: 11,141,601 km (0.079 R)
• M22: 11,763,030 km (0.094 R)
• M23: 12,093,043 km (0.046 R)
• M24: 12,977,615 km (0.097 R)
• M25: 14,487,207 km (0.095 R)
• M26: 15,721,390 km (0.077 R)
• M27: 16,018,641 km (0.089 R)
• M28: 16,652,188 km (0.075 R)
• M29: 18,671,460 km (0.107 R)
• M30: 18,986,214 km (0.103 R)
• M31: 19,196,997 km (0.075 R)
• M32: 19,267,458 km (0.086 R)
• M33: 19,408,678 km (0.068 R)
• M34: 20,083,813 km (0.081 R)
• M35: 20,298,636 km (0.067 R)
• M36: 22,007,642 km (0.066 R)
• M37: 24,867,504 km (0.119 R)
• M38: 25,716,921 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.3

Radius: 4.7

Gravity: 43.38 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 12.41 AU - 18.35 AU

Year: 21199 Days

Day: 17.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 88,466,533 km

• M1: 66,421 km (0.027 R)
• M2: 1,874,312 km (0.083 R)
• M3: 1,984,416 km (0.073 R)
• M4: 2,058,915 km (0.092 R)
• M5: 2,096,465 km (0.114 R)
• M6: 2,405,833 km (0.105 R)
• M7: 2,485,419 km (0.074 R)
• M8: 3,283,823 km (0.103 R)
• M9: 3,461,396 km (0.071 R)
• M10: 3,872,191 km (0.077 R)
• M11: 4,154,632 km (0.119 R)
• M12: 5,041,149 km (0.085 R)
• M13: 6,255,285 km (0.065 R)
• M14: 7,788,664 km (0.109 R)
• M15: 7,847,605 km (0.095 R)
• M16: 8,144,557 km (0.109 R)
• M17: 9,243,503 km (0.041 R)
• M18: 9,937,637 km (0.057 R)
• M19: 10,323,450 km (0.107 R)
• M20: 10,453,002 km (0.094 R)
• M21: 11,175,859 km (0.115 R)
• M22: 11,982,490 km (0.086 R)
• M23: 12,255,656 km (0.107 R)
• M24: 13,227,444 km (0.082 R)
• M25: 16,514,259 km (0.064 R)
• M26: 16,589,955 km (0.045 R)
• M27: 17,431,144 km (0.031 R)
• M28: 17,818,004 km (0.111 R)
• M29: 17,895,795 km (0.104 R)
• M30: 18,916,352 km (0.08 R)
• M31: 19,473,753 km (0.101 R)
• M32: 20,441,651 km (0.051 R)
• M33: 21,095,693 km (0.11 R)
• M34: 21,177,972 km (0.106 R)
• M35: 21,260,251 km (0.118 R)
• M36: 21,342,679 km (0.096 R)
• M37: 21,507,985 km (0.108 R)
• M38: 21,756,467 km (0.093 R)
• M39: 21,839,644 km (0.106 R)
• M40: 23,779,330 km (0.067 R)
• M41: 25,685,805 km (0.112 R)
• M42: 26,835,165 km (0.057 R)
• M43: 28,091,638 km (0.115 R)
• M44: 29,092,148 km (0.107 R)
• M45: 29,458,962 km (0.115 R)
• M46: 30,382,430 km (0.055 R)
• M47: 31,503,217 km (0.106 R)
• M48: 31,879,755 km (0.08 R)
• M49: 34,170,398 km (0.107 R)
• M50: 34,363,678 km (0.095 R)
• M51: 34,945,614 km (0.053 R)
• M52: 35,922,787 km (0.118 R)
• M53: 37,305,819 km (0.111 R)
• M54: 37,405,302 km (0.118 R)
• M55: 37,504,934 km (0.059 R)
• M56: 38,304,385 km (0.091 R)
• M57: 39,514,333 km (0.072 R)
• M58: 41,455,365 km (0.119 R)
• M59: 41,558,438 km (0.105 R)
• M60: 41,867,956 km (0.088 R)
• M61: 43,113,807 km (0.088 R)
• M62: 43,531,933 km (0.03 R)
• M63: 43,951,256 km (0.109 R)
• M64: 46,281,542 km (0.036 R)
• M65: 48,977,894 km (0.107 R)
• M66: 49,414,121 km (0.118 R)
• M67: 50,180,362 km (0.036 R)
• M68: 51,171,448 km (0.042 R)
• M69: 51,503,256 km (0.12 R)
• M70: 52,280,117 km (0.119 R)
• M71: 54,860,082 km (0.091 R)
• M72: 55,313,065 km (0.102 R)
• M73: 55,539,855 km (0.113 R)
• M74: 55,653,549 km (0.083 R)
• M75: 58,749,178 km (0.056 R)
• M76: 60,726,712 km (0.034 R)
• M77: 61,195,103 km (0.112 R)
• M78: 61,312,538 km (0.111 R)
• M79: 65,345,248 km (0.071 R)
• M80: 66,909,592 km (0.045 R)
• M81: 67,757,064 km (0.106 R)
• M82: 68,730,049 km (0.047 R)
• M83: 69,096,115 km (0.083 R)
• M84: 69,830,042 km (0.103 R)
• M85: 73,164,878 km (0.098 R)
• M86: 73,913,017 km (0.073 R)
• M87: 74,162,995 km (0.075 R)
• M88: 74,663,699 km (0.115 R)
• M89: 74,789,062 km (0.092 R)
• M90: 78,072,586 km (0.107 R)
• M91: 79,604,019 km (0.117 R)
• M92: 81,016,372 km (0.109 R)
• M93: 83,215,461 km (0.112 R)
• M94: 86,880,011 km (0.032 R)
• M95: 88,201,409 km (0.039 R)

Kuiper Belt

Range: 31.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 12,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit