🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.2

Radius: 14.9

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.75 AU - 1.05 AU

Year: 551 Days

Day: 5.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,419,738 km

• M1: 185,801 km (0.106 R)
• M2: 950,545 km (0.115 R)
• M3: 1,472,492 km (0.062 R)
• M4: 1,941,032 km (0.119 R)
• M5: 2,442,484 km (0.064 R)
• M6: 2,908,482 km (0.094 R)
• M7: 3,497,000 km (0.096 R)
• M8: 4,425,255 km (0.075 R)
• M9: 4,900,527 km (0.119 R)
• M10: 5,704,316 km (0.119 R)
• M11: 6,771,697 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.1

Radius: 11.7

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.75 AU - 2.57 AU

Year: 2050 Days

Day: 10.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,419,738 km

• M1: 146,008 km (0.037 R)
• M2: 522,695 km (0.107 R)
• M3: 907,760 km (0.114 R)
• M4: 1,599,052 km (0.107 R)
• M5: 2,117,707 km (0.116 R)
• M6: 3,567,610 km (0.117 R)
• M7: 4,340,133 km (0.098 R)
• M8: 4,929,549 km (0.095 R)
• M9: 5,452,992 km (0.062 R)
• M10: 5,963,270 km (0.116 R)
• M11: 6,346,989 km (0.096 R)
• M12: 7,422,897 km (0.025 R)
• M13: 9,008,485 km (0.037 R)
• M14: 9,549,580 km (0.083 R)
• M15: 9,934,047 km (0.087 R)
• M16: 10,548,595 km (0.058 R)
• M17: 11,265,468 km (0.067 R)
• M18: 12,545,726 km (0.073 R)
• M19: 14,234,537 km (0.092 R)
• M20: 15,016,185 km (0.106 R)
• M21: 15,777,938 km (0.08 R)
• M22: 16,266,824 km (0.09 R)
• M23: 16,715,617 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.4

Radius: 12.1

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.28 AU - 3.14 AU

Year: 2881 Days

Day: 12 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,419,738 km

• M1: 152,291 km (0.054 R)
• M2: 583,132 km (0.082 R)
• M3: 1,032,076 km (0.03 R)
• M4: 1,615,507 km (0.112 R)
• M5: 2,333,577 km (0.114 R)
• M6: 2,745,420 km (0.053 R)
• M7: 3,222,189 km (0.112 R)
• M8: 4,089,407 km (0.117 R)
• M9: 4,929,399 km (0.033 R)
• M10: 6,130,820 km (0.102 R)
• M11: 7,518,490 km (0.089 R)
• M12: 7,903,704 km (0.033 R)
• M13: 8,843,179 km (0.105 R)
• M14: 9,925,669 km (0.063 R)
• M15: 11,791,304 km (0.099 R)
• M16: 16,402,210 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.2

Radius: 4.7

Gravity: 38.58 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 5.74 AU - 6.26 AU

Year: 9489 Days

Day: 15.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,419,738 km

• M1: 78,539 km (0.104 R)
• M2: 269,875 km (0.114 R)
• M3: 474,375 km (0.101 R)
• M4: 826,079 km (0.075 R)
• M5: 1,309,131 km (0.072 R)
• M6: 1,995,636 km (0.108 R)
• M7: 2,208,663 km (0.059 R)
• M8: 2,744,074 km (0.081 R)
• M9: 3,053,592 km (0.075 R)
• M10: 3,386,148 km (0.065 R)
• M11: 3,929,637 km (0.117 R)
• M12: 4,961,862 km (0.027 R)
• M13: 5,523,303 km (0.072 R)
• M14: 9,413,147 km (0.063 R)
• M15: 10,270,791 km (0.095 R)
• M16: 11,234,202 km (0.116 R)
• M17: 13,093,404 km (0.087 R)
• M18: 13,651,105 km (0.109 R)
• M19: 14,289,140 km (0.094 R)
• M20: 14,880,201 km (0.041 R)
• M21: 18,310,331 km (0.085 R)
• M22: 19,322,659 km (0.11 R)
• M23: 21,628,711 km (0.104 R)
• M24: 24,111,886 km (0.097 R)
• M25: 26,680,182 km (0.08 R)
• M26: 27,175,052 km (0.085 R)
• M27: 27,878,012 km (0.033 R)
• M28: 32,017,983 km (0.064 R)
• M29: 34,175,634 km (0.059 R)
• M30: 35,826,296 km (0.07 R)
• M31: 39,797,073 km (0.095 R)
• M32: 40,964,385 km (0.028 R)
• M33: 41,490,521 km (0.05 R)
• M34: 42,825,532 km (0.063 R)
• M35: 43,776,975 km (0.077 R)
• M36: 44,603,503 km (0.072 R)
• M37: 45,160,306 km (0.088 R)
• M38: 46,287,825 km (0.027 R)
• M39: 48,305,900 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.6

Radius: 6.7

Gravity: 21.2 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.58 AU - 6.8 AU

Year: 11173 Days

Day: 24.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 59,419,738 km

• M1: 88,562 km (0.11 R)
• M2: 593,305 km (0.116 R)
• M3: 1,177,784 km (0.039 R)
• M4: 2,021,067 km (0.088 R)
• M5: 2,548,849 km (0.103 R)
• M6: 2,902,647 km (0.099 R)
• M7: 3,654,227 km (0.054 R)
• M8: 3,931,731 km (0.099 R)
• M9: 4,374,092 km (0.103 R)
• M10: 4,948,398 km (0.109 R)
• M11: 5,288,434 km (0.113 R)
• M12: 6,890,029 km (0.099 R)
• M13: 7,445,187 km (0.119 R)
• M14: 7,756,201 km (0.079 R)
• M15: 8,451,980 km (0.097 R)
• M16: 9,650,559 km (0.074 R)
• M17: 10,399,894 km (0.069 R)
• M18: 14,807,048 km (0.111 R)
• M19: 17,223,951 km (0.108 R)
• M20: 19,221,232 km (0.116 R)
• M21: 20,147,093 km (0.077 R)
• M22: 22,453,294 km (0.083 R)
• M23: 24,052,794 km (0.119 R)
• M24: 24,439,804 km (0.106 R)
• M25: 26,030,030 km (0.113 R)
• M26: 27,582,257 km (0.114 R)
• M27: 28,006,367 km (0.115 R)
• M28: 28,650,685 km (0.109 R)
• M29: 32,021,574 km (0.114 R)
• M30: 33,560,936 km (0.054 R)
• M31: 34,165,910 km (0.11 R)
• M32: 35,647,677 km (0.098 R)
• M33: 36,277,484 km (0.1 R)
• M34: 37,689,089 km (0.101 R)
• M35: 44,424,135 km (0.112 R)
• M36: 46,635,790 km (0.103 R)
• M37: 48,920,000 km (0.099 R)
• M38: 50,325,621 km (0.086 R)
• M39: 51,118,041 km (0.103 R)
• M40: 55,037,954 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 486.6

Radius: 3.1

Gravity: 50.63 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.56 AU - 8.24 AU

Year: 14337 Days

Day: 19.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,419,738 km

• M1: 39,195 km (0.116 R)
• M2: 175,179 km (0.089 R)
• M3: 273,914 km (0.025 R)
• M4: 388,206 km (0.107 R)
• M5: 493,075 km (0.069 R)
• M6: 1,641,837 km (0.072 R)
• M7: 2,328,640 km (0.093 R)
• M8: 3,595,136 km (0.078 R)
• M9: 3,756,403 km (0.11 R)
• M10: 5,191,046 km (0.088 R)
• M11: 5,362,336 km (0.119 R)
• M12: 5,572,969 km (0.087 R)
• M13: 7,991,967 km (0.115 R)
• M14: 8,174,476 km (0.077 R)
• M15: 8,453,327 km (0.04 R)
• M16: 8,690,589 km (0.109 R)
• M17: 8,932,339 km (0.051 R)
• M18: 9,530,581 km (0.113 R)
• M19: 10,917,653 km (0.08 R)
• M20: 11,485,077 km (0.066 R)
• M21: 12,191,778 km (0.116 R)
• M22: 12,555,749 km (0.12 R)
• M23: 12,740,353 km (0.06 R)
• M24: 16,750,773 km (0.079 R)
• M25: 19,901,454 km (0.082 R)
• M26: 20,832,251 km (0.037 R)
• M27: 22,058,655 km (0.075 R)
• M28: 25,333,203 km (0.049 R)
• M29: 30,997,576 km (0.079 R)
• M30: 31,334,920 km (0.061 R)
• M31: 37,960,759 km (0.077 R)
• M32: 39,520,765 km (0.088 R)
• M33: 39,917,349 km (0.12 R)
• M34: 44,885,345 km (0.11 R)
• M35: 45,896,926 km (0.1 R)
• M36: 48,265,958 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.5

Radius: 5.1

Gravity: 22.01 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.87 AU - 10.25 AU

Year: 16171 Days

Day: 15.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,419,738 km

• M1: 63,429 km (0.061 R)
• M2: 463,305 km (0.069 R)
• M3: 1,968,858 km (0.086 R)
• M4: 2,505,764 km (0.052 R)
• M5: 3,288,161 km (0.045 R)
• M6: 3,864,113 km (0.074 R)
• M7: 4,346,117 km (0.091 R)
• M8: 4,667,304 km (0.069 R)
• M9: 6,151,315 km (0.037 R)
• M10: 10,012,137 km (0.115 R)
• M11: 18,419,986 km (0.082 R)
• M12: 22,210,048 km (0.092 R)
• M13: 29,438,617 km (0.062 R)
• M14: 30,700,774 km (0.061 R)
• M15: 41,692,179 km (0.104 R)
• M16: 41,978,359 km (0.07 R)
• M17: 45,665,947 km (0.114 R)
• M18: 54,697,769 km (0.066 R)
• M19: 55,385,021 km (0.073 R)
• M20: 57,835,584 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.2

Radius: 6

Gravity: 25.42 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 7.64 AU - 10.52 AU

Year: 17666 Days

Day: 16.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 59,419,738 km

• M1: 75,098 km (0.113 R)
• M2: 384,467 km (0.102 R)
• M3: 682,017 km (0.046 R)
• M4: 906,563 km (0.076 R)
• M5: 1,140,085 km (0.037 R)
• M6: 2,304,705 km (0.063 R)
• M7: 3,024,570 km (0.104 R)
• M8: 3,267,217 km (0.046 R)
• M9: 4,303,931 km (0.081 R)
• M10: 4,507,384 km (0.086 R)
• M11: 4,933,887 km (0.119 R)
• M12: 5,156,938 km (0.115 R)
• M13: 5,425,765 km (0.065 R)
• M14: 6,075,319 km (0.104 R)
• M15: 7,145,094 km (0.113 R)
• M16: 8,076,789 km (0.118 R)
• M17: 8,545,479 km (0.099 R)
• M18: 9,253,975 km (0.096 R)
• M19: 10,541,264 km (0.048 R)
• M20: 10,849,735 km (0.101 R)
• M21: 14,651,167 km (0.118 R)
• M22: 16,228,527 km (0.106 R)
• M23: 23,990,412 km (0.055 R)
• M24: 26,398,489 km (0.081 R)
• M25: 28,129,785 km (0.075 R)
• M26: 30,929,210 km (0.107 R)
• M27: 35,399,494 km (0.08 R)
• M28: 37,074,691 km (0.075 R)
• M29: 38,510,531 km (0.032 R)
• M30: 39,389,568 km (0.097 R)
• M31: 44,305,055 km (0.06 R)
• M32: 46,248,930 km (0.11 R)
• M33: 47,576,012 km (0.073 R)
• M34: 49,959,107 km (0.079 R)
• M35: 54,045,073 km (0.07 R)
• M36: 54,593,948 km (0.098 R)
• M37: 59,313,162 km (0.056 R)
• M38: 60,878,853 km (0.082 R)
• M39: 61,076,472 km (0.065 R)
• M40: 66,366,403 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.8

Radius: 6.3

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.06 AU - 11.14 AU

Year: 20725 Days

Day: 17.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,419,738 km

• M1: 78,389 km (0.099 R)
• M2: 604,675 km (0.103 R)
• M3: 940,372 km (0.081 R)
• M4: 1,795,324 km (0.091 R)
• M5: 2,172,311 km (0.042 R)
• M6: 2,579,217 km (0.076 R)
• M7: 3,876,230 km (0.074 R)
• M8: 4,079,085 km (0.054 R)
• M9: 5,485,904 km (0.111 R)
• M10: 6,974,702 km (0.091 R)
• M11: 7,363,357 km (0.095 R)
• M12: 7,903,854 km (0.113 R)
• M13: 8,863,075 km (0.107 R)
• M14: 11,242,430 km (0.116 R)
• M15: 12,019,591 km (0.041 R)
• M16: 14,152,707 km (0.082 R)
• M17: 20,171,926 km (0.099 R)
• M18: 22,043,396 km (0.089 R)
• M19: 24,714,615 km (0.089 R)
• M20: 26,025,093 km (0.062 R)
• M21: 27,700,888 km (0.109 R)
• M22: 30,233,879 km (0.048 R)
• M23: 33,037,343 km (0.074 R)
• M24: 33,278,495 km (0.036 R)
• M25: 34,750,089 km (0.083 R)
• M26: 40,105,693 km (0.091 R)
• M27: 47,656,197 km (0.059 R)
• M28: 49,839,727 km (0.057 R)
• M29: 53,238,890 km (0.074 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 16,520 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit