🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.55 AU - 0.65 AU

Year: 165 Days

Day: 33.8 Hours

Environment

Temp: 211 °C

Axial Tilt: 14.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,682,058 km

• M1: 66,571 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.55 AU - 0.77 AU

Year: 190 Days

Day: 31 Hours

Environment

Temp: 152 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 69,682,058 km

• M1: 115,938 km (0.118 R)
• M2: 576,700 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.79 AU - 1.01 AU

Year: 303 Days

Day: 27.2 Hours

Environment

Temp: 147 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,682,058 km

• M1: 38,746 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.14 AU - 1.22 AU

Year: 455 Days

Day: 40.5 Hours

Environment

Temp: 21 °C

Axial Tilt: 22.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,682,058 km

• M1: 115,190 km (0.051 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.18 AU - 1.96 AU

Year: 698 Days

Day: 36.7 Hours

Environment

Temp: -26 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.79 AU - 2.07 AU

Year: 951 Days

Day: 24.4 Hours

Environment

Temp: -46 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.74 AU - 2.22 AU

Year: 988 Days

Day: 17.8 Hours

Environment

Temp: -52 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,682,058 km

• M1: 1,166,714 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.7

Radius: 10

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.2 AU - 8.82 AU

Year: 8042 Days

Day: 5 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 69,682,058 km

• M1: 165,156 km (0.119 R)
• M2: 312,510 km (0.116 R)
• M3: 387,309 km (0.1 R)
• M4: 499,208 km (0.083 R)
• M5: 656,585 km (0.088 R)
• M6: 1,048,232 km (0.108 R)
• M7: 1,129,314 km (0.112 R)
• M8: 1,298,061 km (0.097 R)
• M9: 1,837,810 km (0.05 R)
• M10: 1,903,783 km (0.093 R)
• M11: 1,970,503 km (0.117 R)
• M12: 2,175,452 km (0.095 R)
• M13: 2,927,930 km (0.094 R)
• M14: 3,064,064 km (0.108 R)
• M15: 3,162,649 km (0.053 R)
• M16: 3,692,075 km (0.064 R)
• M17: 3,797,093 km (0.104 R)
• M18: 3,860,672 km (0.049 R)
• M19: 5,204,211 km (0.086 R)
• M20: 5,298,607 km (0.057 R)
• M21: 5,393,452 km (0.059 R)
• M22: 5,681,727 km (0.119 R)
• M23: 5,803,350 km (0.043 R)
• M24: 5,876,803 km (0.093 R)
• M25: 6,049,139 km (0.114 R)
• M26: 6,148,472 km (0.056 R)
• M27: 6,704,378 km (0.109 R)
• M28: 6,832,883 km (0.092 R)
• M29: 6,910,524 km (0.12 R)
• M30: 7,092,585 km (0.1 R)
• M31: 7,329,099 km (0.116 R)
• M32: 7,488,271 km (0.111 R)
• M33: 8,356,238 km (0.099 R)
• M34: 8,439,265 km (0.08 R)
• M35: 9,198,623 km (0.108 R)
• M36: 9,313,066 km (0.088 R)
• M37: 9,862,838 km (0.073 R)
• M38: 10,097,407 km (0.095 R)
• M39: 10,572,381 km (0.078 R)
• M40: 11,237,194 km (0.103 R)
• M41: 12,009,119 km (0.102 R)
• M42: 12,354,091 km (0.067 R)
• M43: 12,702,505 km (0.107 R)
• M44: 13,441,369 km (0.102 R)
• M45: 14,029,288 km (0.097 R)
• M46: 14,559,014 km (0.03 R)
• M47: 14,859,856 km (0.05 R)
• M48: 15,365,796 km (0.097 R)
• M49: 15,501,631 km (0.053 R)
• M50: 15,980,344 km (0.104 R)
• M51: 16,742,545 km (0.112 R)
• M52: 17,022,592 km (0.104 R)
• M53: 17,233,675 km (0.088 R)
• M54: 17,658,383 km (0.078 R)
• M55: 17,800,800 km (0.097 R)
• M56: 17,943,517 km (0.052 R)
• M57: 18,230,146 km (0.093 R)
• M58: 18,590,527 km (0.086 R)
• M59: 19,281,819 km (0.098 R)
• M60: 19,759,784 km (0.108 R)
• M61: 20,278,739 km (0.078 R)
• M62: 20,839,731 km (0.08 R)
• M63: 21,065,624 km (0.119 R)
• M64: 21,405,959 km (0.091 R)
• M65: 21,557,652 km (0.113 R)
• M66: 22,053,569 km (0.12 R)
• M67: 23,799,226 km (0.093 R)
• M68: 24,193,117 km (0.108 R)
• M69: 24,430,529 km (0.089 R)
• M70: 24,708,482 km (0.063 R)
• M71: 25,347,714 km (0.085 R)
• M72: 25,427,898 km (0.08 R)
• M73: 25,911,398 km (0.106 R)
• M74: 26,113,804 km (0.117 R)
• M75: 26,235,427 km (0.105 R)
• M76: 26,520,112 km (0.107 R)
• M77: 27,133,463 km (0.059 R)
• M78: 27,256,732 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.6

Radius: 7.8

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 12.95 AU - 20.01 AU

Year: 23734 Days

Day: 17.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 69,682,058 km

• M1: 121,623 km (0.119 R)
• M2: 188,493 km (0.043 R)
• M3: 251,175 km (0.116 R)
• M4: 324,029 km (0.112 R)
• M5: 423,063 km (0.098 R)
• M6: 653,743 km (0.079 R)
• M7: 783,594 km (0.117 R)
• M8: 1,497,774 km (0.096 R)
• M9: 1,671,607 km (0.105 R)
• M10: 1,791,135 km (0.11 R)
• M11: 2,953,511 km (0.054 R)
• M12: 3,742,041 km (0.08 R)
• M13: 4,018,797 km (0.099 R)
• M14: 4,384,564 km (0.057 R)
• M15: 4,974,428 km (0.115 R)
• M16: 5,366,824 km (0.093 R)
• M17: 5,814,570 km (0.098 R)
• M18: 6,274,284 km (0.058 R)
• M19: 6,555,678 km (0.113 R)
• M20: 7,228,569 km (0.117 R)
• M21: 7,474,209 km (0.115 R)
• M22: 7,772,507 km (0.045 R)
• M23: 7,872,887 km (0.075 R)
• M24: 8,795,158 km (0.116 R)
• M25: 9,163,019 km (0.098 R)
• M26: 9,859,547 km (0.07 R)
• M27: 10,351,724 km (0.074 R)
• M28: 10,517,478 km (0.11 R)
• M29: 10,740,080 km (0.059 R)
• M30: 10,851,830 km (0.087 R)
• M31: 11,246,319 km (0.111 R)
• M32: 12,049,360 km (0.086 R)
• M33: 12,223,792 km (0.1 R)
• M34: 12,457,763 km (0.109 R)
• M35: 12,693,230 km (0.059 R)
• M36: 13,468,595 km (0.099 R)
• M37: 13,528,883 km (0.119 R)
• M38: 15,315,680 km (0.113 R)
• M39: 15,567,902 km (0.102 R)
• M40: 15,758,041 km (0.1 R)
• M41: 16,784,731 km (0.073 R)
• M42: 17,568,924 km (0.118 R)
• M43: 18,231,493 km (0.088 R)
• M44: 19,105,144 km (0.097 R)
• M45: 19,240,680 km (0.097 R)
• M46: 20,130,039 km (0.062 R)
• M47: 21,172,587 km (0.029 R)
• M48: 21,242,748 km (0.052 R)
• M49: 22,161,578 km (0.047 R)
• M50: 23,382,596 km (0.074 R)
• M51: 23,455,001 km (0.088 R)
• M52: 23,527,706 km (0.091 R)
• M53: 26,718,479 km (0.108 R)
• M54: 27,022,163 km (0.09 R)
• M55: 27,403,338 km (0.119 R)
• M56: 27,939,946 km (0.109 R)
• M57: 28,016,988 km (0.104 R)
• M58: 28,325,459 km (0.107 R)
• M59: 28,868,051 km (0.12 R)
• M60: 29,335,843 km (0.081 R)
• M61: 30,279,058 km (0.096 R)
• M62: 31,953,357 km (0.027 R)
• M63: 32,114,325 km (0.11 R)
• M64: 32,518,089 km (0.111 R)
• M65: 33,330,705 km (0.083 R)
• M66: 33,657,576 km (0.072 R)
• M67: 34,975,683 km (0.114 R)
• M68: 35,391,116 km (0.083 R)
• M69: 35,557,619 km (0.058 R)
• M70: 36,059,071 km (0.035 R)
• M71: 37,322,874 km (0.115 R)
• M72: 38,601,038 km (0.109 R)
• M73: 40,240,630 km (0.103 R)
• M74: 40,327,547 km (0.111 R)
• M75: 45,113,183 km (0.091 R)
• M76: 45,655,924 km (0.092 R)
• M77: 46,839,243 km (0.119 R)
• M78: 47,297,012 km (0.06 R)
• M79: 51,200,769 km (0.12 R)
• M80: 51,577,905 km (0.08 R)
• M81: 52,429,865 km (0.065 R)
• M82: 52,809,993 km (0.119 R)
• M83: 54,147,697 km (0.085 R)
• M84: 56,758,779 km (0.087 R)
• M85: 57,149,229 km (0.076 R)
• M86: 58,522,238 km (0.117 R)
• M87: 60,303,650 km (0.051 R)
• M88: 60,403,132 km (0.11 R)
• M89: 63,615,597 km (0.055 R)
• M90: 64,325,588 km (0.101 R)
• M91: 68,640,889 km (0.116 R)
• M92: 68,848,680 km (0.066 R)
• M93: 68,952,651 km (0.116 R)
• M94: 69,265,011 km (0.089 R)

Kuiper Belt

Range: 30.9 - 53.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 18,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit