🌌 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: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.52 AU - 0.66 AU

Year: 174 Days

Day: 33.4 Hours

Environment

Temp: 133 °C

Axial Tilt: 19.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,665,881 km

• M1: 342,430 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.99 AU - 1.15 AU

Year: 424 Days

Day: 34.6 Hours

Environment

Temp: 5 °C

Axial Tilt: 12.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.53 AU - 2.49 AU

Year: 1091 Days

Day: 18.1 Hours

Environment

Temp: -84 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 29,665,881 km

• M1: 86,019 km (0.072 R)
• M2: 1,328,728 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.32 AU - 4.1 AU

Year: 2736 Days

Day: 46.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.49 AU - 4.03 AU

Year: 2792 Days

Day: 17.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.5

Radius: 12.3

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.31 AU - 5.33 AU

Year: 4052 Days

Day: 7.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 29,665,881 km

• M1: 179,817 km (0.096 R)
• M2: 292,165 km (0.095 R)
• M3: 420,370 km (0.1 R)
• M4: 502,798 km (0.118 R)
• M5: 887,115 km (0.113 R)
• M6: 1,191,248 km (0.044 R)
• M7: 1,304,493 km (0.066 R)
• M8: 1,448,107 km (0.034 R)
• M9: 1,680,732 km (0.106 R)
• M10: 1,985,313 km (0.116 R)
• M11: 2,090,780 km (0.085 R)
• M12: 2,291,989 km (0.1 R)
• M13: 2,467,318 km (0.096 R)
• M14: 2,865,547 km (0.115 R)
• M15: 3,142,453 km (0.046 R)
• M16: 3,319,876 km (0.072 R)
• M17: 3,500,889 km (0.107 R)
• M18: 3,872,640 km (0.1 R)
• M19: 4,101,974 km (0.094 R)
• M20: 4,179,316 km (0.115 R)
• M21: 4,276,854 km (0.035 R)
• M22: 4,534,012 km (0.116 R)
• M23: 4,614,047 km (0.07 R)
• M24: 4,714,876 km (0.111 R)
• M25: 4,857,443 km (0.087 R)
• M26: 5,042,645 km (0.098 R)
• M27: 5,251,334 km (0.067 R)
• M28: 5,335,558 km (0.07 R)
• M29: 5,505,501 km (0.093 R)
• M30: 5,742,015 km (0.045 R)
• M31: 6,114,364 km (0.102 R)
• M32: 6,607,888 km (0.096 R)
• M33: 7,538,087 km (0.108 R)
• M34: 7,776,995 km (0.051 R)
• M35: 8,783,041 km (0.08 R)
• M36: 9,416,438 km (0.119 R)
• M37: 10,038,466 km (0.069 R)
• M38: 10,196,142 km (0.119 R)
• M39: 10,754,292 km (0.12 R)
• M40: 10,834,775 km (0.063 R)
• M41: 11,513,950 km (0.093 R)
• M42: 12,206,737 km (0.1 R)
• M43: 12,290,811 km (0.105 R)
• M44: 12,403,309 km (0.102 R)
• M45: 12,544,230 km (0.119 R)
• M46: 12,714,024 km (0.049 R)
• M47: 13,401,276 km (0.08 R)
• M48: 13,516,916 km (0.08 R)
• M49: 14,306,643 km (0.105 R)
• M50: 14,395,354 km (0.09 R)
• M51: 14,573,226 km (0.108 R)
• M52: 14,841,455 km (0.072 R)
• M53: 16,237,951 km (0.11 R)
• M54: 16,361,370 km (0.115 R)
• M55: 16,577,987 km (0.084 R)
• M56: 17,077,046 km (0.103 R)
• M57: 17,359,935 km (0.088 R)
• M58: 17,834,759 km (0.11 R)
• M59: 18,378,098 km (0.06 R)
• M60: 19,317,573 km (0.092 R)
• M61: 19,513,995 km (0.059 R)
• M62: 19,809,750 km (0.112 R)
• M63: 20,405,598 km (0.104 R)
• M64: 20,638,971 km (0.055 R)
• M65: 20,940,411 km (0.077 R)
• M66: 21,041,090 km (0.112 R)
• M67: 21,887,216 km (0.108 R)
• M68: 22,331,521 km (0.097 R)
• M69: 22,434,594 km (0.057 R)
• M70: 22,537,667 km (0.109 R)
• M71: 22,675,447 km (0.111 R)
• M72: 22,986,461 km (0.035 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.5

Radius: 12

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.01 AU - 7.43 AU

Year: 5940 Days

Day: 10.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 29,665,881 km

• M1: 169,794 km (0.098 R)
• M2: 274,362 km (0.087 R)
• M3: 593,006 km (0.112 R)
• M4: 891,155 km (0.114 R)
• M5: 1,004,251 km (0.107 R)
• M6: 1,094,907 km (0.045 R)
• M7: 1,169,556 km (0.101 R)
• M8: 1,665,772 km (0.068 R)
• M9: 2,000,572 km (0.106 R)
• M10: 2,307,996 km (0.061 R)
• M11: 2,442,784 km (0.062 R)
• M12: 2,746,168 km (0.105 R)
• M13: 2,836,974 km (0.117 R)
• M14: 3,035,042 km (0.115 R)
• M15: 3,237,747 km (0.038 R)
• M16: 3,347,701 km (0.029 R)
• M17: 3,571,500 km (0.114 R)
• M18: 3,656,621 km (0.111 R)
• M19: 3,814,596 km (0.116 R)
• M20: 4,004,286 km (0.083 R)
• M21: 4,257,107 km (0.11 R)
• M22: 4,438,868 km (0.108 R)
• M23: 4,576,797 km (0.085 R)
• M24: 5,191,046 km (0.068 R)
• M25: 5,271,829 km (0.099 R)
• M26: 5,434,442 km (0.096 R)
• M27: 5,549,183 km (0.086 R)
• M28: 6,067,540 km (0.098 R)
• M29: 6,203,824 km (0.1 R)
• M30: 6,427,622 km (0.082 R)
• M31: 6,549,096 km (0.112 R)
• M32: 6,688,970 km (0.12 R)
• M33: 6,882,998 km (0.041 R)
• M34: 7,258,489 km (0.081 R)
• M35: 7,476,154 km (0.046 R)
• M36: 7,880,816 km (0.066 R)
• M37: 8,254,811 km (0.045 R)
• M38: 8,501,198 km (0.096 R)
• M39: 8,596,492 km (0.101 R)
• M40: 8,711,383 km (0.036 R)
• M41: 8,884,767 km (0.04 R)
• M42: 9,098,243 km (0.075 R)
• M43: 9,470,892 km (0.07 R)
• M44: 9,649,212 km (0.026 R)
• M45: 9,808,684 km (0.075 R)
• M46: 9,969,053 km (0.107 R)
• M47: 10,804,257 km (0.096 R)
• M48: 11,324,708 km (0.096 R)
• M49: 11,429,726 km (0.09 R)
• M50: 11,577,379 km (0.049 R)
• M51: 12,045,621 km (0.043 R)
• M52: 12,131,340 km (0.091 R)
• M53: 12,454,920 km (0.115 R)
• M54: 12,890,699 km (0.094 R)
• M55: 13,000,504 km (0.05 R)
• M56: 13,198,871 km (0.083 R)
• M57: 13,509,286 km (0.072 R)
• M58: 13,687,906 km (0.05 R)
• M59: 13,889,714 km (0.086 R)
• M60: 14,160,186 km (0.09 R)
• M61: 14,341,649 km (0.119 R)
• M62: 14,752,594 km (0.076 R)
• M63: 14,936,450 km (0.115 R)
• M64: 15,515,992 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 14

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.54 AU - 8.72 AU

Year: 8070 Days

Day: 5.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 29,665,881 km

• M1: 189,541 km (0.115 R)
• M2: 460,013 km (0.108 R)
• M3: 647,759 km (0.062 R)
• M4: 815,907 km (0.051 R)
• M5: 914,641 km (0.093 R)
• M6: 1,053,169 km (0.098 R)
• M7: 1,256,323 km (0.098 R)
• M8: 1,412,653 km (0.064 R)
• M9: 1,596,808 km (0.088 R)
• M10: 2,127,282 km (0.102 R)
• M11: 2,316,224 km (0.086 R)
• M12: 2,535,684 km (0.086 R)
• M13: 2,762,025 km (0.059 R)
• M14: 3,101,164 km (0.097 R)
• M15: 3,621,016 km (0.068 R)
• M16: 4,346,865 km (0.11 R)
• M17: 5,276,766 km (0.089 R)
• M18: 5,405,420 km (0.062 R)
• M19: 5,502,509 km (0.03 R)
• M20: 5,632,958 km (0.094 R)
• M21: 5,997,229 km (0.069 R)
• M22: 6,506,311 km (0.069 R)
• M23: 7,242,631 km (0.053 R)
• M24: 8,946,850 km (0.067 R)
• M25: 9,923,276 km (0.104 R)
• M26: 10,122,690 km (0.053 R)
• M27: 11,471,614 km (0.069 R)
• M28: 11,723,088 km (0.11 R)
• M29: 12,359,477 km (0.062 R)
• M30: 12,617,234 km (0.101 R)
• M31: 12,920,170 km (0.117 R)
• M32: 13,094,302 km (0.056 R)
• M33: 13,977,079 km (0.118 R)
• M34: 14,200,877 km (0.103 R)
• M35: 14,561,258 km (0.081 R)
• M36: 15,291,146 km (0.053 R)
• M37: 16,361,220 km (0.117 R)
• M38: 16,549,863 km (0.064 R)
• M39: 17,551,869 km (0.08 R)
• M40: 19,066,697 km (0.088 R)
• M41: 19,165,881 km (0.096 R)
• M42: 19,314,880 km (0.071 R)
• M43: 19,764,422 km (0.104 R)
• M44: 20,572,250 km (0.076 R)
• M45: 20,826,866 km (0.105 R)
• M46: 21,545,534 km (0.075 R)
• M47: 22,063,891 km (0.109 R)
• M48: 22,272,281 km (0.042 R)
• M49: 22,954,297 km (0.054 R)
• M50: 24,392,830 km (0.104 R)
• M51: 24,770,565 km (0.105 R)
• M52: 24,933,028 km (0.117 R)
• M53: 25,368,059 km (0.104 R)
• M54: 25,970,340 km (0.094 R)
• M55: 27,300,564 km (0.093 R)
• M56: 28,199,797 km (0.109 R)
• M57: 28,709,776 km (0.028 R)
• M58: 28,880,467 km (0.073 R)
• M59: 29,509,377 km (0.055 R)
• M60: 29,624,118 km (0.085 R)
• M61: 29,969,540 km (0.112 R)
• M62: 30,489,991 km (0.109 R)
• M63: 30,606,079 km (0.096 R)
• M64: 31,071,927 km (0.038 R)
• M65: 32,069,445 km (0.068 R)
• M66: 32,364,901 km (0.061 R)
• M67: 32,601,864 km (0.082 R)
• M68: 34,639,537 km (0.11 R)
• M69: 34,881,885 km (0.106 R)
• M70: 35,124,832 km (0.117 R)
• M71: 35,551,485 km (0.109 R)
• M72: 37,213,069 km (0.078 R)
• M73: 37,337,085 km (0.102 R)
• M74: 37,461,252 km (0.052 R)
• M75: 38,334,754 km (0.119 R)
• M76: 38,711,142 km (0.053 R)
• M77: 40,547,456 km (0.107 R)
• M78: 41,059,080 km (0.078 R)
• M79: 42,541,894 km (0.059 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.8

Radius: 12.3

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.55 AU - 12.58 AU

Year: 12217 Days

Day: 7.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 29,665,881 km

• M1: 170,242 km (0.063 R)
• M2: 269,575 km (0.086 R)
• M3: 482,902 km (0.066 R)
• M4: 735,124 km (0.112 R)
• M5: 858,692 km (0.103 R)
• M6: 949,797 km (0.119 R)
• M7: 1,244,355 km (0.105 R)
• M8: 1,334,114 km (0.112 R)
• M9: 1,901,987 km (0.086 R)
• M10: 2,258,180 km (0.099 R)
• M11: 2,482,277 km (0.097 R)
• M12: 2,597,169 km (0.041 R)
• M13: 2,772,946 km (0.03 R)
• M14: 2,892,325 km (0.081 R)
• M15: 2,972,809 km (0.041 R)
• M16: 3,387,195 km (0.054 R)
• M17: 3,558,036 km (0.092 R)
• M18: 3,797,841 km (0.088 R)
• M19: 3,886,403 km (0.114 R)
• M20: 3,998,153 km (0.086 R)
• M21: 4,179,017 km (0.086 R)
• M22: 4,385,910 km (0.071 R)
• M23: 4,690,641 km (0.045 R)
• M24: 4,954,083 km (0.079 R)
• M25: 5,445,362 km (0.085 R)
• M26: 5,646,272 km (0.111 R)
• M27: 5,773,131 km (0.075 R)
• M28: 7,039,029 km (0.108 R)
• M29: 7,121,008 km (0.095 R)
• M30: 7,396,418 km (0.086 R)
• M31: 7,535,394 km (0.066 R)
• M32: 7,844,314 km (0.092 R)
• M33: 8,043,130 km (0.05 R)
• M34: 9,032,271 km (0.087 R)
• M35: 9,420,776 km (0.097 R)
• M36: 10,090,526 km (0.054 R)
• M37: 10,996,939 km (0.052 R)
• M38: 12,289,615 km (0.091 R)
• M39: 12,587,165 km (0.089 R)
• M40: 13,054,658 km (0.075 R)
• M41: 14,006,699 km (0.057 R)
• M42: 14,665,528 km (0.111 R)
• M43: 15,192,861 km (0.109 R)
• M44: 15,369,984 km (0.101 R)
• M45: 15,547,856 km (0.059 R)
• M46: 15,762,080 km (0.109 R)
• M47: 17,031,718 km (0.075 R)
• M48: 17,809,327 km (0.105 R)
• M49: 18,409,514 km (0.042 R)
• M50: 18,674,153 km (0.05 R)
• M51: 19,054,430 km (0.082 R)
• M52: 19,668,230 km (0.072 R)
• M53: 20,249,568 km (0.09 R)
• M54: 21,231,079 km (0.104 R)
• M55: 21,628,112 km (0.113 R)
• M56: 22,187,907 km (0.091 R)
• M57: 22,308,483 km (0.108 R)
• M58: 22,388,967 km (0.083 R)
• M59: 22,469,600 km (0.104 R)
• M60: 22,955,344 km (0.077 R)
• M61: 23,240,328 km (0.106 R)
• M62: 23,321,859 km (0.088 R)
• M63: 23,526,360 km (0.053 R)
• M64: 24,308,906 km (0.119 R)
• M65: 24,474,810 km (0.087 R)
• M66: 24,807,516 km (0.108 R)
• M67: 25,435,528 km (0.097 R)
• M68: 25,857,244 km (0.075 R)
• M69: 26,153,747 km (0.116 R)
• M70: 27,480,381 km (0.089 R)
• M71: 27,956,252 km (0.09 R)
• M72: 28,260,683 km (0.065 R)
• M73: 28,435,114 km (0.059 R)
• M74: 28,522,330 km (0.119 R)
• M75: 29,092,298 km (0.102 R)
• M76: 29,621,575 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 20,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit