🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.49 AU - 0.67 AU

Year: 162 Days

Day: 36.8 Hours

Environment

Temp: 221 °C

Axial Tilt: 29 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.55 AU - 0.73 AU

Year: 188 Days

Day: 32.4 Hours

Environment

Temp: 131 °C

Axial Tilt: 15.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.04 AU - 2.64 AU

Year: 1314 Days

Day: 26 Hours

Environment

Temp: -73 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2 AU - 3.2 AU

Year: 1539 Days

Day: 23.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,430,653 km

• M1: 740,061 km (0.065 R)
• M2: 1,576,911 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.77 AU - 3.37 AU

Year: 1975 Days

Day: 36 Hours

Environment

Temp: -97 °C

Axial Tilt: 73.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,430,653 km

• M1: 1,010,534 km (0.053 R)
• M2: 1,085,333 km (0.033 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.2

Radius: 10.6

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 8.47 AU - 9.17 AU

Year: 9616 Days

Day: 10.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 50,430,653 km

• M1: 460,612 km (0.102 R)
• M2: 539,300 km (0.098 R)
• M3: 682,465 km (0.12 R)
• M4: 1,171,052 km (0.06 R)
• M5: 1,342,491 km (0.101 R)
• M6: 1,502,112 km (0.076 R)
• M7: 1,710,502 km (0.109 R)
• M8: 1,973,346 km (0.083 R)
• M9: 2,344,049 km (0.055 R)
• M10: 2,562,312 km (0.115 R)
• M11: 3,019,035 km (0.095 R)
• M12: 3,473,663 km (0.073 R)
• M13: 3,779,441 km (0.049 R)
• M14: 3,921,409 km (0.09 R)
• M15: 4,210,582 km (0.057 R)
• M16: 4,298,695 km (0.106 R)
• M17: 5,088,422 km (0.11 R)
• M18: 6,087,586 km (0.092 R)
• M19: 6,389,026 km (0.041 R)
• M20: 7,216,601 km (0.025 R)
• M21: 7,535,694 km (0.032 R)
• M22: 7,607,201 km (0.113 R)
• M23: 7,787,018 km (0.119 R)
• M24: 8,371,946 km (0.046 R)
• M25: 8,857,690 km (0.079 R)
• M26: 9,314,263 km (0.113 R)
• M27: 9,661,629 km (0.111 R)
• M28: 10,013,333 km (0.11 R)
• M29: 10,131,516 km (0.105 R)
• M30: 10,810,092 km (0.109 R)
• M31: 11,012,498 km (0.103 R)
• M32: 11,709,923 km (0.113 R)
• M33: 12,295,000 km (0.093 R)
• M34: 13,147,409 km (0.066 R)
• M35: 14,018,667 km (0.119 R)
• M36: 14,998,832 km (0.067 R)
• M37: 15,588,248 km (0.096 R)
• M38: 15,725,429 km (0.077 R)
• M39: 16,000,839 km (0.028 R)
• M40: 16,092,991 km (0.101 R)
• M41: 16,463,395 km (0.031 R)
• M42: 16,556,595 km (0.113 R)
• M43: 17,212,881 km (0.032 R)
• M44: 17,639,235 km (0.05 R)
• M45: 17,925,415 km (0.074 R)
• M46: 18,405,924 km (0.063 R)
• M47: 18,599,354 km (0.098 R)
• M48: 19,183,533 km (0.08 R)
• M49: 20,419,810 km (0.119 R)
• M50: 20,620,122 km (0.09 R)
• M51: 21,123,519 km (0.114 R)
• M52: 21,783,844 km (0.057 R)
• M53: 22,090,968 km (0.119 R)
• M54: 22,813,226 km (0.106 R)
• M55: 23,281,617 km (0.066 R)
• M56: 23,438,396 km (0.118 R)
• M57: 23,963,784 km (0.086 R)
• M58: 25,186,597 km (0.109 R)
• M59: 25,562,835 km (0.047 R)
• M60: 25,778,705 km (0.095 R)
• M61: 25,940,869 km (0.082 R)
• M62: 26,812,127 km (0.112 R)
• M63: 26,976,535 km (0.087 R)
• M64: 27,637,459 km (0.12 R)
• M65: 28,527,117 km (0.116 R)
• M66: 29,426,200 km (0.083 R)
• M67: 29,708,940 km (0.113 R)
• M68: 30,391,555 km (0.12 R)
• M69: 31,251,893 km (0.117 R)
• M70: 31,714,150 km (0.111 R)
• M71: 31,887,983 km (0.094 R)
• M72: 32,295,039 km (0.044 R)
• M73: 32,470,068 km (0.096 R)
• M74: 32,645,247 km (0.07 R)
• M75: 32,938,160 km (0.102 R)
• M76: 33,762,594 km (0.078 R)
• M77: 34,058,798 km (0.098 R)
• M78: 34,952,346 km (0.074 R)
• M79: 35,132,013 km (0.104 R)
• M80: 35,672,809 km (0.071 R)
• M81: 36,095,273 km (0.111 R)
• M82: 36,580,120 km (0.085 R)
• M83: 37,986,191 km (0.092 R)
• M84: 41,483,041 km (0.1 R)
• M85: 41,863,767 km (0.077 R)
• M86: 42,756,567 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.7

Radius: 5.5

Gravity: 17.25 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 14.07 AU - 14.61 AU

Year: 19934 Days

Day: 18.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 50,430,653 km

• M1: 108,907 km (0.109 R)
• M2: 183,108 km (0.059 R)
• M3: 235,617 km (0.115 R)
• M4: 279,150 km (0.074 R)
• M5: 502,649 km (0.065 R)
• M6: 664,663 km (0.109 R)
• M7: 937,530 km (0.072 R)
• M8: 1,035,965 km (0.101 R)
• M9: 1,189,901 km (0.109 R)
• M10: 1,351,168 km (0.028 R)
• M11: 1,548,338 km (0.079 R)
• M12: 1,665,174 km (0.087 R)
• M13: 2,595,373 km (0.038 R)
• M14: 3,019,932 km (0.072 R)
• M15: 3,092,786 km (0.036 R)
• M16: 3,129,438 km (0.099 R)
• M17: 3,203,190 km (0.049 R)
• M18: 3,240,290 km (0.092 R)
• M19: 3,932,479 km (0.12 R)
• M20: 4,542,988 km (0.035 R)
• M21: 5,182,669 km (0.119 R)
• M22: 5,226,351 km (0.098 R)
• M23: 5,446,410 km (0.096 R)
• M24: 5,986,907 km (0.101 R)
• M25: 6,263,663 km (0.103 R)
• M26: 6,310,188 km (0.107 R)
• M27: 6,544,458 km (0.057 R)
• M28: 6,781,720 km (0.116 R)
• M29: 7,118,465 km (0.084 R)
• M30: 7,658,813 km (0.1 R)
• M31: 7,808,410 km (0.119 R)
• M32: 8,110,598 km (0.107 R)
• M33: 9,894,104 km (0.06 R)
• M34: 10,057,166 km (0.089 R)
• M35: 10,275,878 km (0.106 R)
• M36: 11,336,078 km (0.064 R)
• M37: 11,850,395 km (0.075 R)
• M38: 12,197,462 km (0.099 R)
• M39: 12,842,528 km (0.112 R)
• M40: 15,405,140 km (0.074 R)
• M41: 15,847,202 km (0.09 R)
• M42: 16,550,312 km (0.05 R)
• M43: 19,394,915 km (0.036 R)
• M44: 19,803,766 km (0.082 R)
• M45: 20,768,523 km (0.105 R)
• M46: 21,537,306 km (0.101 R)
• M47: 22,457,932 km (0.07 R)
• M48: 22,672,156 km (0.068 R)
• M49: 22,887,128 km (0.062 R)
• M50: 23,246,761 km (0.119 R)
• M51: 24,263,877 km (0.111 R)
• M52: 25,742,054 km (0.077 R)
• M53: 25,816,703 km (0.096 R)
• M54: 27,172,957 km (0.099 R)
• M55: 32,905,697 km (0.1 R)
• M56: 32,986,779 km (0.092 R)
• M57: 33,800,891 km (0.101 R)
• M58: 34,374,748 km (0.085 R)
• M59: 35,365,834 km (0.077 R)
• M60: 35,615,064 km (0.102 R)
• M61: 36,785,967 km (0.05 R)
• M62: 37,799,642 km (0.095 R)
• M63: 38,565,882 km (0.072 R)
• M64: 39,768,051 km (0.118 R)
• M65: 40,113,771 km (0.106 R)
• M66: 41,156,768 km (0.045 R)
• M67: 43,003,703 km (0.071 R)
• M68: 43,536,272 km (0.036 R)
• M69: 43,892,614 km (0.034 R)
• M70: 44,071,084 km (0.117 R)
• M71: 45,237,199 km (0.065 R)
• M72: 45,959,907 km (0.085 R)
• M73: 46,322,681 km (0.117 R)
• M74: 46,686,503 km (0.114 R)
• M75: 47,233,882 km (0.116 R)
• M76: 47,508,394 km (0.054 R)
• M77: 47,875,059 km (0.055 R)
• M78: 48,981,185 km (0.081 R)
• M79: 50,002,490 km (0.119 R)
• M80: 50,468,936 km (0.116 R)
• M81: 51,688,607 km (0.104 R)
• M82: 52,160,290 km (0.043 R)
• M83: 52,728,313 km (0.089 R)
• M84: 53,012,997 km (0.082 R)
• M85: 53,203,136 km (0.09 R)
• M86: 54,444,350 km (0.103 R)
• M87: 58,028,864 km (0.11 R)
• M88: 58,224,838 km (0.101 R)
• M89: 60,493,639 km (0.041 R)
• M90: 63,496,218 km (0.086 R)
• M91: 64,609,376 km (0.09 R)
• M92: 65,422,889 km (0.046 R)
• M93: 66,035,193 km (0.061 R)
• M94: 67,986,847 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.9

Radius: 4.6

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 11.86 AU - 17.46 AU

Year: 20605 Days

Day: 22.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 50,430,653 km

• M1: 86,767 km (0.093 R)
• M2: 123,418 km (0.114 R)
• M3: 159,172 km (0.106 R)
• M4: 210,484 km (0.069 R)
• M5: 332,107 km (0.092 R)
• M6: 816,056 km (0.055 R)
• M7: 1,010,234 km (0.103 R)
• M8: 1,508,994 km (0.111 R)
• M9: 1,722,320 km (0.113 R)
• M10: 3,250,911 km (0.088 R)
• M11: 3,341,717 km (0.038 R)
• M12: 3,556,989 km (0.102 R)
• M13: 4,000,696 km (0.091 R)
• M14: 4,495,266 km (0.109 R)
• M15: 4,835,751 km (0.103 R)
• M16: 5,149,308 km (0.109 R)
• M17: 5,219,769 km (0.061 R)
• M18: 5,290,678 km (0.076 R)
• M19: 5,361,887 km (0.12 R)
• M20: 6,467,565 km (0.075 R)
• M21: 6,543,710 km (0.118 R)
• M22: 7,163,644 km (0.115 R)
• M23: 7,681,103 km (0.076 R)
• M24: 9,218,520 km (0.046 R)
• M25: 9,519,810 km (0.093 R)
• M26: 9,911,906 km (0.097 R)
• M27: 10,802,163 km (0.108 R)
• M28: 11,302,568 km (0.086 R)
• M29: 13,184,958 km (0.098 R)
• M30: 13,719,471 km (0.081 R)
• M31: 13,817,458 km (0.071 R)
• M32: 14,211,499 km (0.081 R)
• M33: 14,459,681 km (0.073 R)
• M34: 15,061,065 km (0.089 R)
• M35: 15,314,184 km (0.056 R)
• M36: 15,978,549 km (0.083 R)
• M37: 16,081,622 km (0.1 R)
• M38: 16,809,116 km (0.084 R)
• M39: 18,188,408 km (0.035 R)
• M40: 18,457,834 km (0.109 R)
• M41: 18,837,214 km (0.088 R)
• M42: 19,714,007 km (0.067 R)
• M43: 20,492,066 km (0.085 R)
• M44: 21,677,928 km (0.118 R)
• M45: 22,192,844 km (0.089 R)
• M46: 22,711,949 km (0.108 R)
• M47: 23,234,943 km (0.072 R)
• M48: 23,293,286 km (0.03 R)
• M49: 23,527,257 km (0.077 R)
• M50: 24,470,621 km (0.119 R)
• M51: 25,306,275 km (0.096 R)
• M52: 25,366,413 km (0.094 R)
• M53: 25,787,980 km (0.105 R)
• M54: 25,848,418 km (0.103 R)
• M55: 26,090,617 km (0.099 R)
• M56: 26,333,564 km (0.101 R)
• M57: 26,760,366 km (0.101 R)
• M58: 28,490,914 km (0.112 R)
• M59: 29,054,749 km (0.106 R)
• M60: 29,685,603 km (0.091 R)
• M61: 30,384,674 km (0.053 R)
• M62: 31,475,691 km (0.098 R)
• M63: 32,644,948 km (0.055 R)
• M64: 33,366,459 km (0.105 R)
• M65: 33,894,390 km (0.114 R)
• M66: 34,491,734 km (0.084 R)
• M67: 35,025,649 km (0.091 R)
• M68: 35,427,768 km (0.074 R)
• M69: 36,372,179 km (0.094 R)
• M70: 36,439,947 km (0.073 R)
• M71: 36,779,385 km (0.111 R)
• M72: 36,847,452 km (0.111 R)
• M73: 37,188,235 km (0.076 R)
• M74: 37,324,818 km (0.08 R)
• M75: 37,530,067 km (0.07 R)
• M76: 38,285,685 km (0.108 R)
• M77: 38,769,186 km (0.118 R)
• M78: 39,951,607 km (0.048 R)
• M79: 40,582,462 km (0.078 R)
• M80: 41,428,737 km (0.097 R)
• M81: 43,210,298 km (0.087 R)
• M82: 44,218,887 km (0.109 R)
• M83: 45,162,251 km (0.098 R)
• M84: 45,307,959 km (0.086 R)
• M85: 45,892,438 km (0.065 R)
• M86: 47,660,984 km (0.084 R)
• M87: 48,255,336 km (0.089 R)
• M88: 49,301,474 km (0.084 R)
• M89: 49,601,717 km (0.055 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 10,442 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit