🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.8 AU - 0.84 AU

Year: 263 Days

Day: 21.9 Hours

Environment

Temp: 149 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 97,773,193 km

• M1: 341,532 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.89 AU - 1.41 AU

Year: 438 Days

Day: 12.7 Hours

Environment

Temp: 29 °C

Axial Tilt: 18 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 97,773,193 km

• M1: 328,068 km (0.079 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.16 AU - 1.16 AU

Year: 443 Days

Day: 23.6 Hours

Environment

Temp: 29 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 97,773,193 km

• M1: 414,237 km (0.062 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.18 AU - 1.66 AU

Year: 600 Days

Day: 39.4 Hours

Environment

Temp: 6 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.48 AU - 1.68 AU

Year: 705 Days

Day: 41.2 Hours

Environment

Temp: -40 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 97,773,193 km

• M1: 152,739 km (0.065 R)
• M2: 902,225 km (0.102 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.65 AU - 2.37 AU

Year: 1011 Days

Day: 38.6 Hours

Environment

Temp: -58 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,773,193 km

• M1: 183,856 km (0.093 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.24 AU - 3.26 AU

Year: 1618 Days

Day: 29 Hours

Environment

Temp: -97 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.25 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 17.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.4

Radius: 7

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 14.95 AU - 20.55 AU

Year: 26530 Days

Day: 19.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 97,773,193 km

• M1: 107,262 km (0.113 R)
• M2: 205,099 km (0.073 R)
• M3: 312,360 km (0.061 R)
• M4: 501,003 km (0.114 R)
• M5: 564,732 km (0.111 R)
• M6: 700,716 km (0.071 R)
• M7: 748,438 km (0.104 R)
• M8: 847,622 km (0.095 R)
• M9: 898,934 km (0.117 R)
• M10: 1,468,752 km (0.117 R)
• M11: 1,594,265 km (0.115 R)
• M12: 2,493,946 km (0.102 R)
• M13: 2,797,779 km (0.099 R)
• M14: 2,914,765 km (0.095 R)
• M15: 3,692,973 km (0.094 R)
• M16: 4,082,975 km (0.065 R)
• M17: 4,305,277 km (0.073 R)
• M18: 4,531,768 km (0.084 R)
• M19: 4,577,396 km (0.116 R)
• M20: 4,808,524 km (0.075 R)
• M21: 4,902,023 km (0.091 R)
• M22: 5,378,492 km (0.073 R)
• M23: 7,481,988 km (0.1 R)
• M24: 7,590,596 km (0.117 R)
• M25: 7,864,061 km (0.111 R)
• M26: 8,364,466 km (0.079 R)
• M27: 9,630,812 km (0.071 R)
• M28: 9,867,326 km (0.112 R)
• M29: 10,771,645 km (0.116 R)
• M30: 11,451,567 km (0.069 R)
• M31: 12,145,253 km (0.099 R)
• M32: 13,178,525 km (0.116 R)
• M33: 14,374,261 km (0.06 R)
• M34: 14,712,502 km (0.116 R)
• M35: 15,259,282 km (0.113 R)
• M36: 16,021,782 km (0.064 R)
• M37: 16,655,030 km (0.093 R)
• M38: 16,867,908 km (0.055 R)
• M39: 18,456,189 km (0.071 R)
• M40: 19,045,604 km (0.046 R)
• M41: 19,268,206 km (0.106 R)
• M42: 20,242,686 km (0.029 R)
• M43: 20,394,079 km (0.044 R)
• M44: 20,774,058 km (0.059 R)
• M45: 21,233,323 km (0.057 R)
• M46: 22,005,847 km (0.115 R)
• M47: 22,945,172 km (0.071 R)
• M48: 23,182,135 km (0.109 R)
• M49: 24,298,135 km (0.119 R)
• M50: 25,431,638 km (0.116 R)
• M51: 25,840,639 km (0.086 R)
• M52: 29,618,284 km (0.111 R)
• M53: 29,790,172 km (0.118 R)
• M54: 31,089,729 km (0.096 R)
• M55: 31,527,003 km (0.101 R)
• M56: 32,230,861 km (0.083 R)
• M57: 32,584,660 km (0.026 R)
• M58: 32,673,372 km (0.08 R)
• M59: 32,939,806 km (0.039 R)
• M60: 36,010,152 km (0.118 R)
• M61: 36,377,265 km (0.057 R)
• M62: 36,653,573 km (0.106 R)
• M63: 37,579,284 km (0.052 R)
• M64: 43,487,652 km (0.092 R)
• M65: 44,172,661 km (0.094 R)
• M66: 45,553,449 km (0.035 R)
• M67: 46,049,965 km (0.05 R)
• M68: 47,048,381 km (0.103 R)
• M69: 48,357,063 km (0.035 R)
• M70: 52,354,019 km (0.116 R)
• M71: 55,500,062 km (0.066 R)
• M72: 56,349,329 km (0.08 R)
• M73: 58,060,579 km (0.093 R)
• M74: 59,355,349 km (0.108 R)
• M75: 60,877,806 km (0.119 R)
• M76: 61,643,747 km (0.119 R)
• M77: 62,743,591 km (0.116 R)
• M78: 63,074,950 km (0.099 R)
• M79: 63,406,609 km (0.036 R)
• M80: 65,297,825 km (0.044 R)
• M81: 65,745,571 km (0.104 R)
• M82: 66,082,017 km (0.116 R)
• M83: 66,869,201 km (0.047 R)
• M84: 66,981,848 km (0.051 R)
• M85: 68,907,622 km (0.045 R)
• M86: 70,621,864 km (0.118 R)
• M87: 75,730,780 km (0.035 R)
• M88: 76,318,850 km (0.096 R)
• M89: 77,144,630 km (0.101 R)
• M90: 77,262,962 km (0.067 R)
• M91: 77,381,144 km (0.033 R)
• M92: 77,617,958 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.6

Radius: 5

Gravity: 23.62 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 18 AU - 21.7 AU

Year: 31375 Days

Day: 15 Hours

Environment

Temp: -204 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 97,773,193 km

• M1: 78,240 km (0.11 R)
• M2: 159,920 km (0.071 R)
• M3: 224,098 km (0.103 R)
• M4: 298,149 km (0.102 R)
• M5: 621,579 km (0.073 R)
• M6: 873,352 km (0.094 R)
• M7: 1,057,807 km (0.078 R)
• M8: 1,391,859 km (0.087 R)
• M9: 2,231,851 km (0.114 R)
• M10: 3,014,098 km (0.099 R)
• M11: 3,823,123 km (0.092 R)
• M12: 4,123,965 km (0.087 R)
• M13: 4,380,375 km (0.098 R)
• M14: 4,801,493 km (0.115 R)
• M15: 6,024,905 km (0.032 R)
• M16: 6,198,737 km (0.087 R)
• M17: 6,611,029 km (0.092 R)
• M18: 6,971,560 km (0.08 R)
• M19: 7,338,374 km (0.094 R)
• M20: 8,154,580 km (0.091 R)
• M21: 8,540,842 km (0.109 R)
• M22: 8,867,414 km (0.042 R)
• M23: 9,197,875 km (0.087 R)
• M24: 9,465,356 km (0.095 R)
• M25: 11,694,514 km (0.077 R)
• M26: 12,202,848 km (0.075 R)
• M27: 12,792,563 km (0.062 R)
• M28: 19,348,241 km (0.107 R)
• M29: 20,121,362 km (0.09 R)
• M30: 20,642,262 km (0.115 R)
• M31: 20,729,627 km (0.095 R)
• M32: 21,255,763 km (0.093 R)
• M33: 24,966,987 km (0.113 R)
• M34: 25,339,635 km (0.095 R)
• M35: 25,901,974 km (0.078 R)
• M36: 26,184,714 km (0.112 R)
• M37: 27,806,205 km (0.064 R)
• M38: 29,263,587 km (0.095 R)
• M39: 30,745,803 km (0.111 R)
• M40: 31,747,361 km (0.098 R)
• M41: 32,861,416 km (0.106 R)
• M42: 35,336,214 km (0.119 R)
• M43: 36,701,594 km (0.114 R)
• M44: 37,443,898 km (0.083 R)
• M45: 38,084,177 km (0.098 R)
• M46: 38,405,513 km (0.048 R)
• M47: 39,483,665 km (0.095 R)
• M48: 41,449,082 km (0.102 R)
• M49: 42,111,202 km (0.071 R)
• M50: 42,665,612 km (0.058 R)
• M51: 44,681,742 km (0.103 R)
• M52: 48,341,804 km (0.119 R)
• M53: 49,038,631 km (0.098 R)
• M54: 50,090,154 km (0.119 R)
• M55: 50,442,457 km (0.048 R)
• M56: 54,370,149 km (0.077 R)
• M57: 55,215,826 km (0.112 R)
• M58: 56,309,536 km (0.07 R)
• M59: 57,410,427 km (0.052 R)
• M60: 59,385,119 km (0.102 R)
• M61: 60,131,313 km (0.077 R)
• M62: 60,380,693 km (0.116 R)
• M63: 62,136,224 km (0.096 R)
• M64: 62,262,335 km (0.103 R)
• M65: 64,035,817 km (0.101 R)
• M66: 65,184,579 km (0.075 R)
• M67: 67,373,047 km (0.116 R)
• M68: 69,716,497 km (0.105 R)
• M69: 71,954,033 km (0.091 R)
• M70: 72,218,821 km (0.079 R)
• M71: 73,015,130 km (0.044 R)
• M72: 73,947,873 km (0.111 R)
• M73: 74,616,576 km (0.116 R)
• M74: 74,884,655 km (0.103 R)
• M75: 77,446,668 km (0.071 R)
• M76: 78,943,096 km (0.076 R)
• M77: 80,586,428 km (0.059 R)
• M78: 81,136,799 km (0.113 R)
• M79: 81,826,295 km (0.065 R)
• M80: 82,240,981 km (0.043 R)
• M81: 83,767,477 km (0.061 R)
• M82: 85,583,595 km (0.079 R)
• M83: 86,566,902 km (0.104 R)
• M84: 86,707,674 km (0.078 R)
• M85: 88,119,579 km (0.085 R)
• M86: 89,396,845 km (0.107 R)
• M87: 89,823,947 km (0.109 R)
• M88: 90,109,081 km (0.099 R)
• M89: 90,680,096 km (0.12 R)
• M90: 91,969,629 km (0.118 R)
• M91: 94,856,569 km (0.113 R)
• M92: 95,437,607 km (0.101 R)
• M93: 95,583,016 km (0.111 R)
• M94: 97,041,296 km (0.107 R)
• M95: 97,480,217 km (0.051 R)
• M96: 97,626,673 km (0.091 R)

Kuiper Belt

Range: 30.9 - 49.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 14,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit