🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.41 AU - 0.65 AU

Year: 253 Days

Day: 22.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.43 AU - 0.65 AU

Year: 260 Days

Day: 47.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 4,150,204 km

• M1: 281,992 km (0.058 R)
• M2: 761,752 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.4

Radius: 11.6

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.67 AU - 0.87 AU

Year: 443 Days

Day: 9 Hours

Environment

Temp: -144 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 4,150,204 km

• M1: 155,283 km (0.096 R)
• M2: 236,664 km (0.082 R)
• M3: 356,641 km (0.039 R)
• M4: 436,527 km (0.1 R)
• M5: 520,900 km (0.077 R)
• M6: 641,027 km (0.107 R)
• M7: 753,674 km (0.043 R)
• M8: 840,740 km (0.094 R)
• M9: 926,759 km (0.062 R)
• M10: 1,056,759 km (0.043 R)
• M11: 1,140,085 km (0.099 R)
• M12: 1,214,884 km (0.072 R)
• M13: 1,313,619 km (0.075 R)
• M14: 1,614,759 km (0.112 R)
• M15: 1,773,782 km (0.09 R)
• M16: 1,887,028 km (0.11 R)
• M17: 1,963,921 km (0.061 R)
• M18: 2,055,026 km (0.079 R)
• M19: 2,160,941 km (0.116 R)
• M20: 2,343,899 km (0.072 R)
• M21: 2,503,820 km (0.086 R)
• M22: 2,617,364 km (0.107 R)
• M23: 2,696,352 km (0.06 R)
• M24: 2,805,558 km (0.094 R)
• M25: 2,901,301 km (0.083 R)
• M26: 2,983,131 km (0.11 R)
• M27: 3,203,040 km (0.117 R)
• M28: 3,342,166 km (0.087 R)
• M29: 3,771,662 km (0.111 R)
• M30: 3,894,182 km (0.115 R)
• M31: 4,076,243 km (0.119 R)
• M32: 4,218,959 km (0.077 R)
• M33: 4,569,916 km (0.115 R)
• M34: 4,966,051 km (0.097 R)
• M35: 5,100,689 km (0.113 R)
• M36: 5,263,751 km (0.116 R)
• M37: 5,401,082 km (0.119 R)
• M38: 5,502,509 km (0.105 R)
• M39: 5,613,810 km (0.034 R)
• M40: 5,697,884 km (0.025 R)
• M41: 5,791,682 km (0.077 R)
• M42: 6,105,089 km (0.056 R)
• M43: 6,580,810 km (0.092 R)
• M44: 6,758,682 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.4

Radius: 10.5

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.79 AU - 0.95 AU

Year: 532 Days

Day: 9.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 4,150,204 km

• M1: 147,055 km (0.072 R)
• M2: 220,507 km (0.115 R)
• M3: 301,290 km (0.117 R)
• M4: 406,906 km (0.091 R)
• M5: 476,020 km (0.112 R)
• M6: 617,091 km (0.082 R)
• M7: 687,402 km (0.111 R)
• M8: 769,232 km (0.105 R)
• M9: 903,272 km (0.117 R)
• M10: 980,315 km (0.116 R)
• M11: 1,059,602 km (0.105 R)
• M12: 1,156,092 km (0.118 R)
• M13: 1,230,442 km (0.087 R)
• M14: 1,347,727 km (0.119 R)
• M15: 1,421,030 km (0.091 R)
• M16: 1,517,371 km (0.1 R)
• M17: 1,605,036 km (0.097 R)
• M18: 1,773,932 km (0.101 R)
• M19: 1,854,864 km (0.098 R)
• M20: 1,942,977 km (0.099 R)
• M21: 2,032,586 km (0.081 R)
• M22: 2,160,343 km (0.058 R)
• M23: 2,297,075 km (0.092 R)
• M24: 2,533,889 km (0.085 R)
• M25: 2,805,558 km (0.037 R)
• M26: 2,914,167 km (0.117 R)
• M27: 3,038,034 km (0.052 R)
• M28: 3,114,628 km (0.095 R)
• M29: 3,220,094 km (0.044 R)
• M30: 3,413,075 km (0.094 R)
• M31: 3,485,630 km (0.092 R)
• M32: 3,609,946 km (0.091 R)
• M33: 3,863,215 km (0.069 R)
• M34: 3,931,282 km (0.084 R)
• M35: 3,999,649 km (0.042 R)
• M36: 4,068,613 km (0.056 R)
• M37: 4,293,160 km (0.068 R)
• M38: 4,371,549 km (0.097 R)
• M39: 4,442,458 km (0.032 R)
• M40: 4,601,631 km (0.114 R)
• M41: 4,673,737 km (0.075 R)
• M42: 4,811,217 km (0.091 R)
• M43: 4,925,510 km (0.112 R)
• M44: 5,040,551 km (0.079 R)
• M45: 5,115,050 km (0.115 R)
• M46: 5,349,321 km (0.039 R)
• M47: 5,629,817 km (0.107 R)
• M48: 5,802,153 km (0.101 R)
• M49: 5,915,100 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.8

Radius: 13.3

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.76 AU - 1.08 AU

Year: 579 Days

Day: 9.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 4,150,204 km

• M1: 169,943 km (0.107 R)
• M2: 262,544 km (0.087 R)
• M3: 347,217 km (0.105 R)
• M4: 467,493 km (0.114 R)
• M5: 661,073 km (0.06 R)
• M6: 756,816 km (0.077 R)
• M7: 873,801 km (0.086 R)
• M8: 981,063 km (0.061 R)
• M9: 1,121,984 km (0.079 R)
• M10: 1,288,486 km (0.043 R)
• M11: 1,418,936 km (0.113 R)
• M12: 1,593,816 km (0.105 R)
• M13: 1,680,582 km (0.11 R)
• M14: 1,769,144 km (0.086 R)
• M15: 1,887,327 km (0.111 R)
• M16: 2,102,748 km (0.105 R)
• M17: 2,228,559 km (0.071 R)
• M18: 2,387,432 km (0.073 R)
• M19: 2,495,592 km (0.049 R)
• M20: 2,708,918 km (0.118 R)
• M21: 2,879,161 km (0.109 R)
• M22: 3,230,267 km (0.041 R)
• M23: 3,341,867 km (0.112 R)
• M24: 3,551,154 km (0.101 R)
• M25: 3,657,518 km (0.117 R)
• M26: 3,928,141 km (0.066 R)
• M27: 4,075,196 km (0.046 R)
• M28: 4,233,620 km (0.098 R)
• M29: 4,346,566 km (0.104 R)
• M30: 4,556,452 km (0.082 R)
• M31: 4,643,219 km (0.091 R)
• M32: 4,750,032 km (0.046 R)
• M33: 4,907,109 km (0.115 R)
• M34: 5,145,718 km (0.062 R)
• M35: 5,256,420 km (0.115 R)
• M36: 5,347,675 km (0.116 R)
• M37: 5,470,046 km (0.074 R)
• M38: 5,634,753 km (0.065 R)
• M39: 6,160,141 km (0.095 R)
• M40: 6,428,819 km (0.118 R)
• M41: 6,767,209 km (0.057 R)
• M42: 7,011,054 km (0.114 R)
• M43: 7,145,243 km (0.089 R)
• M44: 7,303,069 km (0.104 R)
• M45: 7,393,576 km (0.105 R)
• M46: 7,748,422 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.1

Radius: 13.2

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.98 AU - 1.1 AU

Year: 696 Days

Day: 12.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 4,150,204 km

• M1: 183,257 km (0.112 R)
• M2: 281,094 km (0.064 R)
• M3: 377,136 km (0.046 R)
• M4: 482,154 km (0.094 R)
• M5: 658,679 km (0.074 R)
• M6: 782,696 km (0.101 R)
• M7: 893,099 km (0.086 R)
• M8: 979,716 km (0.117 R)
• M9: 1,063,342 km (0.115 R)
• M10: 1,168,659 km (0.108 R)
• M11: 1,290,730 km (0.11 R)
• M12: 1,534,575 km (0.1 R)
• M13: 1,727,706 km (0.06 R)
• M14: 2,091,229 km (0.074 R)
• M15: 2,225,867 km (0.102 R)
• M16: 2,388,180 km (0.114 R)
• M17: 2,470,908 km (0.054 R)
• M18: 2,554,533 km (0.056 R)
• M19: 2,724,776 km (0.092 R)
• M20: 2,872,578 km (0.081 R)
• M21: 3,067,953 km (0.114 R)
• M22: 3,221,889 km (0.102 R)
• M23: 3,332,293 km (0.096 R)
• M24: 3,443,743 km (0.097 R)
• M25: 4,030,615 km (0.116 R)
• M26: 4,280,145 km (0.106 R)
• M27: 4,391,595 km (0.115 R)
• M28: 5,038,157 km (0.1 R)
• M29: 5,220,666 km (0.102 R)
• M30: 5,350,966 km (0.103 R)
• M31: 5,471,243 km (0.099 R)
• M32: 5,570,426 km (0.086 R)
• M33: 5,781,659 km (0.065 R)
• M34: 5,950,405 km (0.106 R)
• M35: 6,052,281 km (0.091 R)
• M36: 6,166,424 km (0.096 R)
• M37: 6,258,128 km (0.109 R)
• M38: 6,361,949 km (0.084 R)
• M39: 6,477,887 km (0.061 R)
• M40: 6,618,060 km (0.047 R)
• M41: 6,794,586 km (0.083 R)
• M42: 6,877,613 km (0.113 R)
• M43: 7,044,564 km (0.099 R)
• M44: 7,370,238 km (0.081 R)
• M45: 7,614,831 km (0.077 R)
• M46: 7,762,783 km (0.091 R)
• M47: 7,924,349 km (0.04 R)
• M48: 8,174,925 km (0.106 R)
• M49: 8,288,470 km (0.113 R)
• M50: 8,606,964 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.5

Radius: 12.3

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.99 AU - 1.17 AU

Year: 736 Days

Day: 12.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 4,150,204 km

• M1: 153,039 km (0.109 R)
• M2: 239,357 km (0.102 R)
• M3: 351,854 km (0.118 R)
• M4: 446,101 km (0.115 R)
• M5: 527,332 km (0.101 R)
• M6: 611,706 km (0.097 R)
• M7: 761,004 km (0.114 R)
• M8: 844,480 km (0.062 R)
• M9: 939,175 km (0.046 R)
• M10: 1,017,714 km (0.108 R)
• M11: 1,140,235 km (0.109 R)
• M12: 1,289,683 km (0.115 R)
• M13: 1,405,322 km (0.058 R)
• M14: 1,543,102 km (0.096 R)
• M15: 1,632,861 km (0.061 R)
• M16: 1,744,012 km (0.106 R)
• M17: 1,933,403 km (0.098 R)
• M18: 2,166,776 km (0.118 R)
• M19: 2,305,902 km (0.073 R)
• M20: 2,409,423 km (0.105 R)
• M21: 2,492,450 km (0.093 R)
• M22: 2,666,881 km (0.118 R)
• M23: 2,752,750 km (0.079 R)
• M24: 2,857,170 km (0.096 R)
• M25: 2,974,754 km (0.11 R)
• M26: 3,076,031 km (0.092 R)
• M27: 3,288,161 km (0.095 R)
• M28: 3,374,330 km (0.102 R)
• M29: 3,461,396 km (0.106 R)
• M30: 3,663,053 km (0.037 R)
• M31: 3,778,244 km (0.051 R)
• M32: 3,986,185 km (0.076 R)
• M33: 4,071,755 km (0.074 R)
• M34: 4,271,468 km (0.096 R)
• M35: 4,392,941 km (0.088 R)
• M36: 4,529,375 km (0.096 R)
• M37: 4,618,685 km (0.038 R)
• M38: 4,722,506 km (0.118 R)

Asteroid Belt

Center: 1.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23

Radius: 14.2

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.27 AU - 2.03 AU

Year: 1390 Days

Day: 10.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 4,150,204 km

• M1: 176,974 km (0.082 R)
• M2: 268,229 km (0.025 R)
• M3: 373,695 km (0.07 R)
• M4: 500,554 km (0.111 R)
• M5: 597,793 km (0.083 R)
• M6: 730,935 km (0.09 R)
• M7: 859,141 km (0.084 R)
• M8: 1,027,737 km (0.078 R)
• M9: 1,159,383 km (0.115 R)
• M10: 1,265,897 km (0.112 R)
• M11: 1,428,510 km (0.119 R)
• M12: 1,797,418 km (0.043 R)
• M13: 1,950,008 km (0.079 R)
• M14: 2,088,386 km (0.093 R)
• M15: 2,182,483 km (0.092 R)
• M16: 2,380,252 km (0.068 R)
• M17: 2,518,779 km (0.1 R)
• M18: 2,660,149 km (0.098 R)
• M19: 2,783,418 km (0.097 R)
• M20: 2,908,631 km (0.109 R)
• M21: 3,025,168 km (0.095 R)
• M22: 3,181,348 km (0.107 R)
• M23: 3,307,011 km (0.092 R)
• M24: 3,412,178 km (0.116 R)
• M25: 3,513,007 km (0.054 R)
• M26: 3,671,581 km (0.116 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: 539 - 17,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit