🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.41 AU - 0.63 AU

Year: 144 Days

Day: 43.7 Hours

Environment

Temp: 230 °C

Axial Tilt: 9.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.61 AU - 0.73 AU

Year: 210 Days

Day: 16.9 Hours

Environment

Temp: 100 °C

Axial Tilt: 21.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.78 AU - 1.04 AU

Year: 332 Days

Day: 34.1 Hours

Environment

Temp: 10 °C

Axial Tilt: 21.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1 AU - 1.2 AU

Year: 442 Days

Day: 43.4 Hours

Environment

Temp: 4 °C

Axial Tilt: 46.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.22 AU - 1.5 AU

Year: 607 Days

Day: 13.9 Hours

Environment

Temp: -39 °C

Axial Tilt: 41 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 106,319,064 km

• M1: 1,050,327 km (0.094 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.47 AU - 1.83 AU

Year: 812 Days

Day: 44.6 Hours

Environment

Temp: -68 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 12.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 786.5

Radius: 4.7

Gravity: 35.6 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 11.9 AU - 12.51 AU

Year: 16316 Days

Day: 20.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 106,319,064 km

• M1: 149,747 km (0.04 R)
• M2: 656,735 km (0.077 R)
• M3: 744,100 km (0.078 R)
• M4: 1,236,875 km (0.112 R)
• M5: 1,290,880 km (0.111 R)
• M6: 1,935,048 km (0.108 R)
• M7: 2,322,657 km (0.113 R)
• M8: 2,983,879 km (0.105 R)
• M9: 3,582,869 km (0.107 R)
• M10: 3,856,484 km (0.109 R)
• M11: 4,632,448 km (0.063 R)
• M12: 5,455,086 km (0.113 R)
• M13: 5,544,247 km (0.088 R)
• M14: 5,588,976 km (0.102 R)
• M15: 6,135,757 km (0.106 R)
• M16: 6,462,478 km (0.039 R)
• M17: 6,604,297 km (0.093 R)
• M18: 6,651,720 km (0.08 R)
• M19: 6,890,927 km (0.067 R)
• M20: 7,476,453 km (0.086 R)
• M21: 7,825,315 km (0.1 R)
• M22: 7,976,409 km (0.057 R)
• M23: 8,128,550 km (0.12 R)
• M24: 8,487,136 km (0.102 R)
• M25: 9,432,894 km (0.061 R)
• M26: 10,191,205 km (0.111 R)
• M27: 10,301,160 km (0.094 R)
• M28: 10,466,914 km (0.112 R)
• M29: 10,912,865 km (0.033 R)
• M30: 11,025,363 km (0.086 R)
• M31: 11,996,852 km (0.086 R)
• M32: 12,171,133 km (0.096 R)
• M33: 12,758,155 km (0.059 R)
• M34: 12,936,027 km (0.101 R)
• M35: 13,474,729 km (0.108 R)
• M36: 13,655,892 km (0.107 R)
• M37: 13,837,803 km (0.056 R)
• M38: 14,946,473 km (0.111 R)
• M39: 15,133,919 km (0.066 R)
• M40: 16,019,389 km (0.086 R)
• M41: 16,404,005 km (0.088 R)
• M42: 16,921,464 km (0.076 R)
• M43: 17,182,213 km (0.118 R)
• M44: 17,509,982 km (0.104 R)
• M45: 18,171,953 km (0.082 R)
• M46: 20,206,035 km (0.107 R)
• M47: 21,179,618 km (0.062 R)
• M48: 21,249,779 km (0.082 R)
• M49: 21,672,244 km (0.112 R)
• M50: 22,668,565 km (0.12 R)
• M51: 25,149,646 km (0.11 R)
• M52: 26,045,737 km (0.084 R)
• M53: 30,205,306 km (0.116 R)
• M54: 30,363,281 km (0.07 R)
• M55: 30,680,130 km (0.084 R)
• M56: 30,759,417 km (0.081 R)
• M57: 31,556,923 km (0.074 R)
• M58: 31,717,142 km (0.099 R)
• M59: 32,441,794 km (0.1 R)
• M60: 35,394,707 km (0.083 R)
• M61: 35,895,111 km (0.068 R)
• M62: 37,410,388 km (0.079 R)
• M63: 37,665,004 km (0.115 R)
• M64: 38,090,460 km (0.085 R)
• M65: 38,346,572 km (0.12 R)
• M66: 38,432,142 km (0.093 R)
• M67: 39,290,534 km (0.103 R)
• M68: 40,068,593 km (0.075 R)
• M69: 41,639,819 km (0.113 R)
• M70: 43,408,964 km (0.065 R)
• M71: 44,842,111 km (0.109 R)
• M72: 46,472,579 km (0.109 R)
• M73: 46,837,597 km (0.109 R)
• M74: 47,295,217 km (0.109 R)
• M75: 47,754,183 km (0.033 R)
• M76: 48,769,355 km (0.12 R)
• M77: 50,445,748 km (0.053 R)
• M78: 53,472,263 km (0.085 R)
• M79: 55,296,908 km (0.048 R)
• M80: 56,071,227 km (0.075 R)
• M81: 56,751,747 km (0.07 R)
• M82: 57,239,586 km (0.09 R)
• M83: 57,924,744 km (0.1 R)
• M84: 61,291,145 km (0.082 R)
• M85: 62,092,541 km (0.068 R)
• M86: 62,695,720 km (0.103 R)
• M87: 63,300,993 km (0.041 R)
• M88: 64,009,488 km (0.051 R)
• M89: 64,110,915 km (0.108 R)
• M90: 65,945,733 km (0.062 R)
• M91: 67,487,938 km (0.085 R)
• M92: 68,211,692 km (0.042 R)
• M93: 69,458,291 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.3

Radius: 6.7

Gravity: 17.2 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 15.65 AU - 21.87 AU

Year: 31111 Days

Day: 17.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 106,319,064 km

• M1: 339,886 km (0.105 R)
• M2: 554,709 km (0.094 R)
• M3: 1,131,409 km (0.084 R)
• M4: 1,200,523 km (0.115 R)
• M5: 1,343,090 km (0.085 R)
• M6: 1,529,040 km (0.051 R)
• M7: 2,050,837 km (0.063 R)
• M8: 2,221,828 km (0.041 R)
• M9: 2,669,724 km (0.104 R)
• M10: 2,762,624 km (0.116 R)
• M11: 3,096,227 km (0.052 R)
• M12: 3,194,064 km (0.105 R)
• M13: 3,595,136 km (0.11 R)
• M14: 4,065,322 km (0.105 R)
• M15: 4,666,107 km (0.053 R)
• M16: 4,948,398 km (0.073 R)
• M17: 5,178,181 km (0.105 R)
• M18: 6,132,017 km (0.097 R)
• M19: 6,755,391 km (0.087 R)
• M20: 6,946,278 km (0.069 R)
• M21: 8,812,362 km (0.061 R)
• M22: 9,443,216 km (0.092 R)
• M23: 9,656,692 km (0.096 R)
• M24: 10,233,841 km (0.12 R)
• M25: 11,045,708 km (0.066 R)
• M26: 11,421,498 km (0.097 R)
• M27: 12,340,628 km (0.097 R)
• M28: 13,045,383 km (0.109 R)
• M29: 14,167,517 km (0.114 R)
• M30: 14,657,749 km (0.115 R)
• M31: 16,077,134 km (0.099 R)
• M32: 16,502,740 km (0.101 R)
• M33: 17,278,404 km (0.094 R)
• M34: 17,626,968 km (0.057 R)
• M35: 19,223,925 km (0.064 R)
• M36: 19,313,983 km (0.097 R)
• M37: 20,681,906 km (0.116 R)
• M38: 21,330,861 km (0.051 R)
• M39: 22,934,700 km (0.1 R)
• M40: 25,067,068 km (0.1 R)
• M41: 25,758,809 km (0.104 R)
• M42: 26,256,670 km (0.104 R)
• M43: 27,566,100 km (0.072 R)
• M44: 28,896,474 km (0.101 R)
• M45: 29,206,591 km (0.076 R)
• M46: 31,089,579 km (0.05 R)
• M47: 31,938,996 km (0.081 R)
• M48: 33,119,473 km (0.117 R)
• M49: 36,410,626 km (0.087 R)
• M50: 37,081,273 km (0.069 R)
• M51: 39,575,070 km (0.059 R)
• M52: 40,149,376 km (0.119 R)
• M53: 40,610,736 km (0.039 R)
• M54: 42,473,977 km (0.044 R)
• M55: 43,889,472 km (0.091 R)
• M56: 44,961,341 km (0.045 R)
• M57: 46,041,737 km (0.108 R)
• M58: 47,495,529 km (0.094 R)
• M59: 50,075,643 km (0.108 R)
• M60: 51,821,002 km (0.097 R)
• M61: 54,476,065 km (0.109 R)
• M62: 56,657,501 km (0.103 R)
• M63: 58,084,365 km (0.084 R)
• M64: 58,214,665 km (0.034 R)
• M65: 60,312,476 km (0.109 R)
• M66: 62,434,971 km (0.043 R)
• M67: 63,505,343 km (0.112 R)
• M68: 65,664,340 km (0.12 R)
• M69: 66,752,664 km (0.113 R)
• M70: 71,026,526 km (0.069 R)
• M71: 76,527,389 km (0.102 R)
• M72: 78,679,355 km (0.099 R)
• M73: 81,142,184 km (0.04 R)
• M74: 81,579,459 km (0.103 R)
• M75: 82,309,796 km (0.116 R)
• M76: 85,253,433 km (0.093 R)
• M77: 86,738,042 km (0.051 R)
• M78: 87,483,488 km (0.1 R)
• M79: 88,380,926 km (0.1 R)
• M80: 92,153,036 km (0.066 R)
• M81: 92,913,592 km (0.059 R)
• M82: 93,218,472 km (0.078 R)
• M83: 94,747,811 km (0.064 R)
• M84: 95,515,548 km (0.069 R)
• M85: 98,762,569 km (0.105 R)
• M86: 99,852,988 km (0.07 R)
• M87: 103,463,683 km (0.07 R)
• M88: 103,937,758 km (0.032 R)
• M89: 104,254,158 km (0.079 R)
• M90: 105,046,727 km (0.083 R)
• M91: 105,364,323 km (0.04 R)
• M92: 106,159,735 km (0.11 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 20,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit