🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.46 AU - 0.66 AU

Year: 275 Days

Day: 27 Hours

Environment

Temp: -114 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.53 AU - 0.65 AU

Year: 297 Days

Day: 43.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.5

Radius: 9.4

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.76 AU - 1.12 AU

Year: 598 Days

Day: 13.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 36,139,271 km

• M1: 117,434 km (0.063 R)
• M2: 193,430 km (0.065 R)
• M3: 258,655 km (0.114 R)
• M4: 407,654 km (0.052 R)
• M5: 536,159 km (0.076 R)
• M6: 619,634 km (0.083 R)
• M7: 679,324 km (0.108 R)
• M8: 749,635 km (0.117 R)
• M9: 822,639 km (0.112 R)
• M10: 1,014,124 km (0.069 R)
• M11: 1,130,362 km (0.059 R)
• M12: 1,271,582 km (0.111 R)
• M13: 1,386,772 km (0.11 R)
• M14: 1,583,194 km (0.062 R)
• M15: 1,771,089 km (0.107 R)
• M16: 1,829,582 km (0.088 R)
• M17: 1,960,480 km (0.098 R)
• M18: 2,194,152 km (0.098 R)
• M19: 2,385,039 km (0.089 R)
• M20: 2,561,564 km (0.099 R)
• M21: 2,668,228 km (0.113 R)
• M22: 2,728,964 km (0.071 R)
• M23: 3,011,256 km (0.112 R)
• M24: 3,088,598 km (0.098 R)
• M25: 3,202,292 km (0.076 R)
• M26: 3,302,971 km (0.108 R)
• M27: 3,807,116 km (0.068 R)
• M28: 3,868,003 km (0.093 R)
• M29: 3,936,967 km (0.112 R)
• M30: 4,240,352 km (0.107 R)
• M31: 4,462,953 km (0.091 R)
• M32: 4,640,526 km (0.1 R)
• M33: 4,722,057 km (0.098 R)
• M34: 4,961,114 km (0.06 R)
• M35: 5,136,742 km (0.085 R)
• M36: 5,365,627 km (0.078 R)
• M37: 5,451,197 km (0.109 R)
• M38: 5,520,012 km (0.114 R)
• M39: 5,597,803 km (0.101 R)
• M40: 5,693,396 km (0.095 R)
• M41: 5,965,664 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.9

Radius: 8.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.29 AU - 1.31 AU

Year: 972 Days

Day: 12.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 36,139,271 km

• M1: 103,522 km (0.119 R)
• M2: 161,117 km (0.055 R)
• M3: 245,041 km (0.096 R)
• M4: 303,983 km (0.12 R)
• M5: 491,579 km (0.074 R)
• M6: 559,945 km (0.105 R)
• M7: 611,706 km (0.093 R)
• M8: 716,125 km (0.049 R)
• M9: 790,625 km (0.07 R)
• M10: 858,841 km (0.085 R)
• M11: 1,095,954 km (0.119 R)
• M12: 1,177,784 km (0.067 R)
• M13: 1,304,793 km (0.094 R)
• M14: 1,375,403 km (0.067 R)
• M15: 1,458,579 km (0.052 R)
• M16: 1,578,108 km (0.041 R)
• M17: 1,659,489 km (0.093 R)
• M18: 1,778,419 km (0.082 R)
• M19: 1,893,909 km (0.111 R)
• M20: 1,999,525 km (0.091 R)
• M21: 2,062,506 km (0.066 R)
• M22: 2,119,951 km (0.068 R)
• M23: 2,197,144 km (0.064 R)
• M24: 2,308,295 km (0.099 R)
• M25: 2,502,174 km (0.12 R)
• M26: 2,708,469 km (0.105 R)
• M27: 2,863,303 km (0.054 R)
• M28: 3,006,618 km (0.101 R)
• M29: 3,123,005 km (0.055 R)
• M30: 3,248,219 km (0.116 R)
• M31: 3,542,029 km (0.069 R)
• M32: 3,665,148 km (0.091 R)
• M33: 3,727,081 km (0.101 R)
• M34: 3,789,613 km (0.066 R)
• M35: 3,844,516 km (0.039 R)
• M36: 3,955,069 km (0.116 R)
• M37: 4,106,910 km (0.112 R)
• M38: 4,228,085 km (0.067 R)
• M39: 4,767,235 km (0.048 R)
• M40: 4,911,747 km (0.061 R)
• M41: 4,980,263 km (0.113 R)
• M42: 5,075,108 km (0.056 R)
• M43: 5,196,581 km (0.08 R)
• M44: 5,248,940 km (0.097 R)
• M45: 5,389,413 km (0.114 R)
• M46: 5,540,208 km (0.076 R)
• M47: 5,737,228 km (0.072 R)
• M48: 5,918,391 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.9

Radius: 12.5

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.41 AU - 1.59 AU

Year: 1205 Days

Day: 14.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 36,139,271 km

• M1: 163,810 km (0.048 R)
• M2: 272,867 km (0.098 R)
• M3: 445,951 km (0.04 R)
• M4: 551,867 km (0.037 R)
• M5: 725,998 km (0.107 R)
• M6: 915,838 km (0.069 R)
• M7: 1,146,518 km (0.117 R)
• M8: 1,484,160 km (0.085 R)
• M9: 1,648,718 km (0.097 R)
• M10: 1,780,514 km (0.046 R)
• M11: 2,019,721 km (0.115 R)
• M12: 2,203,277 km (0.074 R)
• M13: 2,593,429 km (0.117 R)
• M14: 2,773,844 km (0.084 R)
• M15: 2,879,011 km (0.075 R)
• M16: 3,403,501 km (0.107 R)
• M17: 3,651,983 km (0.064 R)
• M18: 3,869,648 km (0.072 R)
• M19: 4,047,071 km (0.073 R)
• M20: 4,136,680 km (0.096 R)
• M21: 4,234,667 km (0.084 R)
• M22: 4,494,518 km (0.071 R)
• M23: 4,587,419 km (0.092 R)
• M24: 4,681,067 km (0.082 R)
• M25: 4,814,807 km (0.098 R)
• M26: 5,045,936 km (0.108 R)
• M27: 5,256,420 km (0.067 R)
• M28: 5,362,635 km (0.051 R)
• M29: 5,461,369 km (0.112 R)
• M30: 5,544,247 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613

Radius: 11.9

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.44 AU - 2.84 AU

Year: 2814 Days

Day: 14.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 36,139,271 km

• M1: 191,635 km (0.066 R)
• M2: 265,985 km (0.047 R)
• M3: 348,563 km (0.115 R)
• M4: 466,745 km (0.102 R)
• M5: 568,622 km (0.069 R)
• M6: 752,028 km (0.085 R)
• M7: 866,172 km (0.049 R)
• M8: 1,234,930 km (0.114 R)
• M9: 1,419,833 km (0.091 R)
• M10: 1,503,608 km (0.118 R)
• M11: 1,739,973 km (0.11 R)
• M12: 1,935,348 km (0.064 R)
• M13: 2,138,053 km (0.114 R)
• M14: 2,305,453 km (0.089 R)
• M15: 2,579,366 km (0.119 R)
• M16: 3,049,253 km (0.078 R)
• M17: 3,480,394 km (0.037 R)
• M18: 3,562,374 km (0.106 R)
• M19: 3,982,295 km (0.117 R)
• M20: 4,489,283 km (0.089 R)
• M21: 4,596,843 km (0.093 R)
• M22: 4,777,857 km (0.063 R)
• M23: 5,016,765 km (0.1 R)
• M24: 5,354,257 km (0.074 R)
• M25: 5,564,143 km (0.083 R)
• M26: 5,776,722 km (0.089 R)
• M27: 6,230,153 km (0.118 R)
• M28: 6,511,696 km (0.096 R)
• M29: 6,592,928 km (0.091 R)
• M30: 6,818,073 km (0.098 R)
• M31: 7,423,944 km (0.081 R)
• M32: 7,658,364 km (0.085 R)
• M33: 7,765,625 km (0.045 R)
• M34: 8,178,216 km (0.115 R)
• M35: 8,709,438 km (0.112 R)
• M36: 8,844,077 km (0.071 R)
• M37: 8,956,724 km (0.065 R)
• M38: 9,069,969 km (0.098 R)
• M39: 9,252,030 km (0.061 R)
• M40: 9,504,402 km (0.114 R)
• M41: 9,828,879 km (0.091 R)
• M42: 10,156,947 km (0.081 R)
• M43: 10,251,344 km (0.111 R)
• M44: 10,632,070 km (0.032 R)
• M45: 11,138,758 km (0.08 R)
• M46: 11,358,218 km (0.089 R)
• M47: 11,975,758 km (0.067 R)
• M48: 12,200,754 km (0.113 R)
• M49: 12,351,399 km (0.07 R)
• M50: 12,832,954 km (0.101 R)
• M51: 13,088,916 km (0.098 R)
• M52: 13,191,690 km (0.077 R)
• M53: 13,398,135 km (0.085 R)
• M54: 13,997,873 km (0.069 R)
• M55: 14,739,729 km (0.107 R)
• M56: 14,819,913 km (0.09 R)
• M57: 14,980,880 km (0.117 R)
• M58: 15,575,981 km (0.049 R)
• M59: 16,427,641 km (0.097 R)
• M60: 16,510,818 km (0.12 R)
• M61: 16,845,169 km (0.109 R)
• M62: 16,929,093 km (0.106 R)
• M63: 18,118,696 km (0.087 R)
• M64: 18,521,264 km (0.077 R)
• M65: 19,658,207 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.7

Radius: 12

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.87 AU - 4.09 AU

Year: 5209 Days

Day: 8.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,139,271 km

• M1: 172,187 km (0.074 R)
• M2: 261,048 km (0.102 R)
• M3: 585,376 km (0.059 R)
• M4: 860,936 km (0.07 R)
• M5: 993,180 km (0.101 R)
• M6: 1,110,016 km (0.104 R)
• M7: 1,278,912 km (0.09 R)
• M8: 1,792,482 km (0.058 R)
• M9: 1,928,167 km (0.072 R)
• M10: 2,536,133 km (0.052 R)
• M11: 3,765,827 km (0.102 R)
• M12: 4,012,514 km (0.119 R)
• M13: 4,733,875 km (0.074 R)
• M14: 4,860,136 km (0.06 R)
• M15: 5,013,174 km (0.084 R)
• M16: 5,311,024 km (0.116 R)
• M17: 5,937,839 km (0.114 R)
• M18: 6,843,205 km (0.052 R)
• M19: 9,030,027 km (0.082 R)
• M20: 9,124,124 km (0.09 R)
• M21: 9,744,506 km (0.118 R)
• M22: 10,019,168 km (0.066 R)
• M23: 10,296,373 km (0.102 R)
• M24: 10,493,692 km (0.083 R)
• M25: 10,576,121 km (0.109 R)
• M26: 10,992,302 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.7

Radius: 13.5

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.43 AU - 5.51 AU

Year: 7268 Days

Day: 14.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 36,139,271 km

• M1: 254,765 km (0.071 R)
• M2: 606,769 km (0.061 R)
• M3: 951,442 km (0.06 R)
• M4: 1,254,528 km (0.036 R)
• M5: 1,374,356 km (0.113 R)
• M6: 1,516,174 km (0.105 R)
• M7: 1,757,625 km (0.106 R)
• M8: 2,072,379 km (0.049 R)
• M9: 2,341,805 km (0.119 R)
• M10: 2,960,841 km (0.119 R)
• M11: 3,289,208 km (0.118 R)
• M12: 3,409,485 km (0.117 R)
• M13: 4,058,291 km (0.045 R)
• M14: 4,161,514 km (0.057 R)
• M15: 4,503,345 km (0.117 R)
• M16: 4,799,848 km (0.114 R)
• M17: 5,102,783 km (0.11 R)
• M18: 5,355,305 km (0.063 R)
• M19: 5,698,632 km (0.051 R)
• M20: 5,960,727 km (0.088 R)
• M21: 6,376,609 km (0.038 R)
• M22: 6,497,185 km (0.106 R)
• M23: 6,648,877 km (0.065 R)
• M24: 7,362,310 km (0.072 R)
• M25: 7,488,869 km (0.082 R)
• M26: 7,970,126 km (0.089 R)
• M27: 8,794,410 km (0.033 R)
• M28: 8,996,367 km (0.044 R)
• M29: 9,370,511 km (0.076 R)
• M30: 9,542,399 km (0.07 R)
• M31: 9,680,628 km (0.026 R)
• M32: 9,889,167 km (0.09 R)
• M33: 10,029,041 km (0.072 R)
• M34: 10,702,381 km (0.11 R)
• M35: 11,171,670 km (0.095 R)
• M36: 11,832,444 km (0.045 R)
• M37: 12,923,910 km (0.081 R)
• M38: 13,038,651 km (0.081 R)
• M39: 13,423,567 km (0.057 R)
• M40: 13,578,550 km (0.105 R)
• M41: 14,086,584 km (0.086 R)
• M42: 14,720,430 km (0.106 R)
• M43: 15,242,228 km (0.093 R)
• M44: 15,647,788 km (0.094 R)
• M45: 16,511,117 km (0.115 R)
• M46: 17,053,409 km (0.083 R)
• M47: 17,601,386 km (0.091 R)
• M48: 18,069,628 km (0.116 R)
• M49: 18,455,889 km (0.026 R)
• M50: 18,585,291 km (0.033 R)
• M51: 19,455,203 km (0.112 R)
• M52: 19,586,849 km (0.117 R)
• M53: 20,027,864 km (0.064 R)
• M54: 20,205,287 km (0.074 R)
• M55: 20,338,579 km (0.1 R)
• M56: 20,650,789 km (0.113 R)
• M57: 21,733,429 km (0.047 R)
• M58: 23,066,196 km (0.107 R)
• M59: 24,000,884 km (0.068 R)
• M60: 25,043,132 km (0.056 R)
• M61: 25,666,058 km (0.095 R)
• M62: 26,293,920 km (0.077 R)
• M63: 26,585,486 km (0.104 R)
• M64: 28,656,220 km (0.108 R)
• M65: 28,856,232 km (0.091 R)
• M66: 29,307,719 km (0.112 R)
• M67: 29,913,441 km (0.049 R)
• M68: 30,065,432 km (0.049 R)
• M69: 30,370,313 km (0.08 R)
• M70: 30,523,202 km (0.074 R)
• M71: 31,445,622 km (0.091 R)
• M72: 31,651,768 km (0.1 R)
• M73: 32,898,666 km (0.116 R)
• M74: 33,107,954 km (0.048 R)
• M75: 34,320,444 km (0.1 R)
• M76: 35,815,974 km (0.098 R)
• M77: 35,923,685 km (0.054 R)
• M78: 36,031,395 km (0.109 R)
• M79: 36,139,255 km (0.038 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 20,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit