🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.86 AU - 1.1 AU

Year: 353 Days

Day: 46.7 Hours

Environment

Temp: 47 °C

Axial Tilt: 23.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.09 AU - 1.65 AU

Year: 583 Days

Day: 22.7 Hours

Environment

Temp: -15 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.58 AU - 1.78 AU

Year: 791 Days

Day: 39 Hours

Environment

Temp: -53 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.5 AU - 4.56 AU

Year: 2940 Days

Day: 44.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 4.04 AU - 4.42 AU

Year: 3162 Days

Day: 27.7 Hours

Environment

Temp: -122 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,606,358 km

• M1: 1,829,732 km (0.098 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.11 AU - 4.77 AU

Year: 3400 Days

Day: 22.5 Hours

Environment

Temp: -130 °C

Axial Tilt: 46.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.2

Radius: 8.7

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 8.16 AU - 9.1 AU

Year: 9214 Days

Day: 5.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 66,606,358 km

• M1: 119,977 km (0.102 R)
• M2: 269,725 km (0.071 R)
• M3: 1,442,572 km (0.073 R)
• M4: 1,728,603 km (0.101 R)
• M5: 2,154,359 km (0.108 R)
• M6: 2,481,679 km (0.101 R)
• M7: 2,559,470 km (0.118 R)
• M8: 2,690,966 km (0.047 R)
• M9: 3,099,069 km (0.116 R)
• M10: 3,410,831 km (0.04 R)
• M11: 3,972,871 km (0.078 R)
• M12: 4,094,943 km (0.081 R)
• M13: 4,311,560 km (0.034 R)
• M14: 4,627,511 km (0.095 R)
• M15: 5,791,532 km (0.072 R)
• M16: 6,069,934 km (0.117 R)
• M17: 6,495,689 km (0.101 R)
• M18: 6,931,169 km (0.086 R)
• M19: 7,078,373 km (0.1 R)
• M20: 7,526,418 km (0.049 R)
• M21: 7,677,812 km (0.049 R)
• M22: 8,293,407 km (0.077 R)
• M23: 8,371,497 km (0.108 R)
• M24: 8,528,425 km (0.041 R)
• M25: 9,165,712 km (0.067 R)
• M26: 10,150,216 km (0.116 R)
• M27: 10,233,841 km (0.099 R)
• M28: 10,825,201 km (0.118 R)
• M29: 10,910,622 km (0.076 R)
• M30: 10,996,191 km (0.095 R)
• M31: 11,211,313 km (0.088 R)
• M32: 12,485,737 km (0.034 R)
• M33: 12,845,371 km (0.031 R)
• M34: 12,935,877 km (0.075 R)
• M35: 13,898,241 km (0.076 R)
• M36: 14,364,687 km (0.108 R)
• M37: 14,694,101 km (0.119 R)
• M38: 14,836,070 km (0.103 R)
• M39: 15,026,209 km (0.103 R)
• M40: 15,264,817 km (0.113 R)
• M41: 16,183,348 km (0.117 R)
• M42: 16,427,941 km (0.119 R)
• M43: 16,575,294 km (0.097 R)
• M44: 16,723,247 km (0.108 R)
• M45: 18,327,235 km (0.04 R)
• M46: 18,684,624 km (0.113 R)
• M47: 18,787,099 km (0.107 R)
• M48: 20,930,088 km (0.092 R)
• M49: 21,036,602 km (0.079 R)
• M50: 21,303,634 km (0.039 R)
• M51: 21,410,746 km (0.103 R)
• M52: 22,984,366 km (0.11 R)
• M53: 23,480,283 km (0.112 R)
• M54: 23,646,337 km (0.071 R)
• M55: 24,932,580 km (0.052 R)
• M56: 24,989,128 km (0.101 R)
• M57: 25,328,565 km (0.073 R)
• M58: 26,241,561 km (0.095 R)
• M59: 26,759,768 km (0.087 R)
• M60: 27,806,355 km (0.098 R)
• M61: 28,570,501 km (0.1 R)
• M62: 29,282,138 km (0.101 R)
• M63: 32,001,977 km (0.047 R)
• M64: 32,186,131 km (0.109 R)
• M65: 32,247,616 km (0.079 R)
• M66: 32,864,408 km (0.083 R)
• M67: 32,988,275 km (0.114 R)
• M68: 33,298,541 km (0.068 R)
• M69: 33,734,619 km (0.119 R)
• M70: 33,922,065 km (0.065 R)
• M71: 34,486,498 km (0.057 R)
• M72: 34,738,271 km (0.069 R)
• M73: 35,054,072 km (0.103 R)
• M74: 36,582,514 km (0.062 R)
• M75: 37,613,542 km (0.067 R)
• M76: 37,678,318 km (0.073 R)
• M77: 39,835,968 km (0.118 R)
• M78: 39,902,090 km (0.083 R)
• M79: 40,166,430 km (0.119 R)
• M80: 40,763,475 km (0.096 R)
• M81: 40,830,046 km (0.097 R)
• M82: 42,437,326 km (0.08 R)
• M83: 42,774,818 km (0.103 R)
• M84: 44,475,447 km (0.093 R)
• M85: 44,543,963 km (0.031 R)
• M86: 44,680,994 km (0.097 R)
• M87: 44,886,841 km (0.103 R)
• M88: 45,093,137 km (0.065 R)
• M89: 45,575,440 km (0.104 R)
• M90: 45,990,275 km (0.054 R)
• M91: 46,128,803 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.2

Radius: 3.8

Gravity: 44.89 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 12.4 AU - 13.4 AU

Year: 16839 Days

Day: 16.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 66,606,358 km

• M1: 134,788 km (0.105 R)
• M2: 169,494 km (0.093 R)
• M3: 221,554 km (0.091 R)
• M4: 410,497 km (0.088 R)
• M5: 769,232 km (0.118 R)
• M6: 813,812 km (0.119 R)
• M7: 905,815 km (0.087 R)
• M8: 1,333,216 km (0.087 R)
• M9: 1,638,845 km (0.075 R)
• M10: 1,667,717 km (0.075 R)
• M11: 2,409,573 km (0.118 R)
• M12: 2,475,546 km (0.092 R)
• M13: 2,779,528 km (0.117 R)
• M14: 3,533,801 km (0.116 R)
• M15: 3,798,589 km (0.08 R)
• M16: 3,913,929 km (0.06 R)
• M17: 4,467,740 km (0.117 R)
• M18: 4,919,825 km (0.079 R)
• M19: 5,386,421 km (0.09 R)
• M20: 5,429,655 km (0.099 R)
• M21: 5,472,739 km (0.03 R)
• M22: 5,822,798 km (0.115 R)
• M23: 6,498,382 km (0.114 R)
• M24: 6,590,235 km (0.072 R)
• M25: 7,150,928 km (0.027 R)
• M26: 7,245,773 km (0.074 R)
• M27: 7,484,980 km (0.088 R)
• M28: 7,824,118 km (0.079 R)
• M29: 9,281,650 km (0.077 R)
• M30: 9,645,772 km (0.101 R)
• M31: 10,874,868 km (0.048 R)
• M32: 13,068,571 km (0.041 R)
• M33: 14,006,699 km (0.08 R)
• M34: 14,185,020 km (0.086 R)
• M35: 14,364,088 km (0.097 R)
• M36: 14,483,916 km (0.079 R)
• M37: 14,905,932 km (0.094 R)
• M38: 15,087,992 km (0.082 R)
• M39: 16,133,532 km (0.057 R)
• M40: 17,202,259 km (0.087 R)
• M41: 17,648,958 km (0.117 R)
• M42: 17,712,986 km (0.098 R)
• M43: 20,139,464 km (0.087 R)
• M44: 20,475,161 km (0.093 R)
• M45: 21,356,891 km (0.081 R)
• M46: 21,493,624 km (0.042 R)
• M47: 22,250,888 km (0.044 R)
• M48: 23,438,396 km (0.061 R)
• M49: 24,646,249 km (0.108 R)
• M50: 26,679,434 km (0.047 R)
• M51: 26,753,036 km (0.067 R)
• M52: 27,270,196 km (0.047 R)
• M53: 28,916,820 km (0.113 R)
• M54: 29,904,764 km (0.117 R)
• M55: 30,134,397 km (0.074 R)
• M56: 33,488,531 km (0.117 R)
• M57: 35,007,847 km (0.114 R)
• M58: 36,304,561 km (0.098 R)
• M59: 37,699,561 km (0.104 R)
• M60: 38,528,333 km (0.106 R)
• M61: 38,778,012 km (0.118 R)
• M62: 38,861,488 km (0.108 R)
• M63: 39,028,439 km (0.096 R)
• M64: 39,362,940 km (0.032 R)
• M65: 39,950,859 km (0.093 R)
• M66: 40,710,966 km (0.104 R)
• M67: 42,159,522 km (0.111 R)
• M68: 45,019,385 km (0.1 R)
• M69: 45,370,341 km (0.104 R)
• M70: 45,986,535 km (0.112 R)
• M71: 46,074,798 km (0.072 R)
• M72: 46,428,447 km (0.087 R)
• M73: 47,673,101 km (0.052 R)
• M74: 52,023,108 km (0.113 R)
• M75: 52,945,080 km (0.057 R)
• M76: 53,500,986 km (0.106 R)
• M77: 54,245,086 km (0.056 R)
• M78: 54,711,980 km (0.117 R)
• M79: 56,781,667 km (0.063 R)
• M80: 57,445,582 km (0.085 R)
• M81: 57,635,871 km (0.115 R)
• M82: 57,731,015 km (0.099 R)
• M83: 58,494,114 km (0.1 R)
• M84: 59,741,461 km (0.093 R)
• M85: 60,030,484 km (0.049 R)
• M86: 61,385,691 km (0.082 R)
• M87: 61,482,780 km (0.112 R)
• M88: 62,555,247 km (0.096 R)
• M89: 62,848,758 km (0.073 R)
• M90: 62,946,745 km (0.103 R)
• M91: 63,240,854 km (0.082 R)
• M92: 63,535,412 km (0.092 R)
• M93: 64,619,548 km (0.106 R)
• M94: 65,809,300 km (0.114 R)
• M95: 66,606,358 km (0.088 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 17,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit