🌌 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: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.63 AU - 0.73 AU

Year: 163 Days

Day: 14.3 Hours

Environment

Temp: 377 °C

Axial Tilt: 140.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.68 AU - 0.74 AU

Year: 174 Days

Day: 25.3 Hours

Environment

Temp: 341 °C

Axial Tilt: 38 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 109,761,564 km

• M1: 198,816 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.96 AU - 1.02 AU

Year: 287 Days

Day: 28.2 Hours

Environment

Temp: 218 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 109,761,564 km

• M1: 376,089 km (0.117 R)
• M2: 467,793 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.98 AU - 1.38 AU

Year: 374 Days

Day: 46.4 Hours

Environment

Temp: 161 °C

Axial Tilt: 42.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.35 AU - 2.05 AU

Year: 646 Days

Day: 14.8 Hours

Environment

Temp: 176 °C

Axial Tilt: 51 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 109,761,564 km

• M1: 124,316 km (0.107 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.81 AU - 2.89 AU

Year: 1403 Days

Day: 19.1 Hours

Environment

Temp: 1 °C

Axial Tilt: 14.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 109,761,564 km

• M1: 432,338 km (0.067 R)
• M2: 2,192,357 km (0.119 R)

Planet 7 - Terrestrial

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.98 AU - 5.84 AU

Year: 3668 Days

Day: 29.9 Hours

Environment

Temp: -76 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.53 AU - 8.97 AU

Year: 7545 Days

Day: 40.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 109,761,564 km

• M1: 758,162 km (0.116 R)
• M2: 2,674,960 km (0.064 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.7

Radius: 11.9

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 9.96 AU - 11.42 AU

Year: 10188 Days

Day: 5.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 109,761,564 km

• M1: 350,059 km (0.092 R)
• M2: 436,078 km (0.083 R)
• M3: 531,820 km (0.118 R)
• M4: 930,948 km (0.066 R)
• M5: 1,163,423 km (0.097 R)
• M6: 1,269,039 km (0.103 R)
• M7: 1,359,695 km (0.105 R)
• M8: 1,724,714 km (0.117 R)
• M9: 2,098,858 km (0.119 R)
• M10: 2,251,448 km (0.104 R)
• M11: 3,446,137 km (0.032 R)
• M12: 3,523,329 km (0.115 R)
• M13: 4,721,458 km (0.082 R)
• M14: 4,981,160 km (0.067 R)
• M15: 5,127,317 km (0.094 R)
• M16: 5,275,120 km (0.107 R)
• M17: 5,484,408 km (0.106 R)
• M18: 6,035,077 km (0.1 R)
• M19: 6,191,257 km (0.054 R)
• M20: 6,380,499 km (0.104 R)
• M21: 6,700,040 km (0.09 R)
• M22: 6,829,292 km (0.043 R)
• M23: 7,024,817 km (0.047 R)
• M24: 7,189,225 km (0.029 R)
• M25: 7,421,550 km (0.076 R)
• M26: 7,555,440 km (0.115 R)
• M27: 7,690,079 km (0.094 R)
• M28: 8,167,745 km (0.078 R)
• M29: 8,375,536 km (0.076 R)
• M30: 8,973,479 km (0.069 R)
• M31: 9,187,852 km (0.106 R)
• M32: 10,136,453 km (0.083 R)
• M33: 10,660,195 km (0.052 R)
• M34: 11,192,613 km (0.046 R)
• M35: 11,539,531 km (0.103 R)
• M36: 12,046,967 km (0.1 R)
• M37: 12,165,149 km (0.065 R)
• M38: 12,801,688 km (0.108 R)
• M39: 12,922,264 km (0.116 R)
• M40: 13,859,196 km (0.101 R)
• M41: 15,029,350 km (0.075 R)
• M42: 15,156,658 km (0.097 R)
• M43: 15,583,311 km (0.078 R)
• M44: 16,014,153 km (0.066 R)
• M45: 16,405,202 km (0.099 R)
• M46: 17,108,012 km (0.096 R)
• M47: 17,196,574 km (0.102 R)
• M48: 19,275,536 km (0.102 R)
• M49: 20,673,678 km (0.088 R)
• M50: 21,432,588 km (0.107 R)
• M51: 22,152,453 km (0.027 R)
• M52: 22,782,709 km (0.095 R)
• M53: 23,320,662 km (0.067 R)
• M54: 24,061,022 km (0.063 R)
• M55: 24,259,688 km (0.091 R)
• M56: 24,458,953 km (0.098 R)
• M57: 24,959,507 km (0.109 R)
• M58: 25,311,960 km (0.089 R)
• M59: 25,666,058 km (0.117 R)
• M60: 25,818,199 km (0.113 R)
• M61: 26,686,615 km (0.109 R)
• M62: 27,046,996 km (0.088 R)
• M63: 27,305,351 km (0.109 R)
• M64: 27,668,575 km (0.11 R)
• M65: 28,033,295 km (0.113 R)
• M66: 28,190,073 km (0.101 R)
• M67: 28,399,660 km (0.034 R)
• M68: 31,712,953 km (0.064 R)
• M69: 32,204,083 km (0.115 R)
• M70: 32,642,704 km (0.084 R)
• M71: 33,083,270 km (0.105 R)
• M72: 34,137,636 km (0.061 R)
• M73: 34,640,883 km (0.108 R)
• M74: 35,372,117 km (0.11 R)
• M75: 35,881,348 km (0.112 R)
• M76: 35,994,893 km (0.106 R)
• M77: 36,907,141 km (0.111 R)
• M78: 37,136,475 km (0.091 R)
• M79: 37,711,678 km (0.083 R)
• M80: 38,347,918 km (0.117 R)
• M81: 38,871,062 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 24.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.1

Radius: 5.8

Gravity: 19.98 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 18.52 AU - 30.14 AU

Year: 34983 Days

Day: 18.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 109,761,564 km

• M1: 81,980 km (0.094 R)
• M2: 181,761 km (0.083 R)
• M3: 558,748 km (0.106 R)
• M4: 699,968 km (0.055 R)
• M5: 916,885 km (0.066 R)
• M6: 2,507,709 km (0.104 R)
• M7: 3,033,695 km (0.071 R)
• M8: 3,133,028 km (0.068 R)
• M9: 3,334,836 km (0.095 R)
• M10: 3,385,849 km (0.103 R)
• M11: 3,804,124 km (0.1 R)
• M12: 4,461,906 km (0.053 R)
• M13: 4,978,019 km (0.094 R)
• M14: 5,941,579 km (0.104 R)
• M15: 6,317,518 km (0.071 R)
• M16: 8,588,863 km (0.093 R)
• M17: 8,729,634 km (0.066 R)
• M18: 8,871,154 km (0.097 R)
• M19: 9,956,785 km (0.061 R)
• M20: 10,628,031 km (0.033 R)
• M21: 10,703,428 km (0.11 R)
• M22: 10,854,971 km (0.12 R)
• M23: 11,700,947 km (0.091 R)
• M24: 13,455,580 km (0.106 R)
• M25: 14,030,784 km (0.084 R)
• M26: 14,530,292 km (0.064 R)
• M27: 16,673,431 km (0.064 R)
• M28: 17,647,163 km (0.066 R)
• M29: 19,188,171 km (0.036 R)
• M30: 22,687,415 km (0.088 R)
• M31: 25,261,246 km (0.063 R)
• M32: 25,868,165 km (0.115 R)
• M33: 26,787,593 km (0.093 R)
• M34: 27,096,363 km (0.092 R)
• M35: 28,238,842 km (0.07 R)
• M36: 28,343,561 km (0.086 R)
• M37: 28,553,147 km (0.079 R)
• M38: 29,609,308 km (0.118 R)
• M39: 31,325,495 km (0.104 R)
• M40: 33,294,353 km (0.106 R)
• M41: 34,741,114 km (0.111 R)
• M42: 36,094,675 km (0.095 R)
• M43: 37,121,216 km (0.082 R)
• M44: 38,969,647 km (0.105 R)
• M45: 40,257,685 km (0.116 R)
• M46: 43,477,928 km (0.045 R)
• M47: 45,302,424 km (0.064 R)
• M48: 48,023,160 km (0.111 R)
• M49: 48,648,928 km (0.104 R)
• M50: 49,403,350 km (0.119 R)
• M51: 51,817,710 km (0.118 R)
• M52: 54,530,668 km (0.114 R)
• M53: 54,922,016 km (0.096 R)
• M54: 55,183,363 km (0.12 R)
• M55: 59,824,338 km (0.113 R)
• M56: 59,958,677 km (0.11 R)
• M57: 60,227,804 km (0.108 R)
• M58: 60,767,403 km (0.071 R)
• M59: 61,037,726 km (0.063 R)
• M60: 65,833,236 km (0.103 R)
• M61: 65,972,063 km (0.069 R)
• M62: 67,225,543 km (0.115 R)
• M63: 68,627,425 km (0.108 R)
• M64: 69,897,361 km (0.117 R)
• M65: 70,038,881 km (0.026 R)
• M66: 73,753,545 km (0.114 R)
• M67: 76,071,116 km (0.077 R)
• M68: 76,508,241 km (0.119 R)
• M69: 76,946,263 km (0.104 R)
• M70: 78,706,731 km (0.111 R)
• M71: 80,628,764 km (0.119 R)
• M72: 83,465,589 km (0.078 R)
• M73: 86,031,491 km (0.12 R)
• M74: 86,639,008 km (0.066 R)
• M75: 88,163,860 km (0.114 R)
• M76: 88,469,937 km (0.089 R)
• M77: 89,390,263 km (0.115 R)
• M78: 89,851,623 km (0.11 R)
• M79: 90,159,495 km (0.063 R)
• M80: 90,622,201 km (0.084 R)
• M81: 91,395,024 km (0.116 R)
• M82: 92,325,373 km (0.103 R)
• M83: 93,102,983 km (0.091 R)
• M84: 93,414,595 km (0.093 R)
• M85: 94,664,785 km (0.099 R)
• M86: 94,821,414 km (0.109 R)
• M87: 100,677,871 km (0.079 R)
• M88: 102,280,663 km (0.057 R)
• M89: 102,602,298 km (0.084 R)
• M90: 103,246,466 km (0.079 R)
• M91: 103,407,733 km (0.112 R)
• M92: 103,891,981 km (0.058 R)
• M93: 105,349,214 km (0.079 R)
• M94: 106,487,355 km (0.083 R)

Kuiper Belt

Range: 37.7 - 58.7 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 15,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit