🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343

Radius: 9.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.56 AU - 0.86 AU

Year: 413 Days

Day: 5.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,932,040 km

• M1: 119,379 km (0.119 R)
• M2: 473,926 km (0.103 R)
• M3: 782,397 km (0.096 R)
• M4: 1,274,723 km (0.064 R)
• M5: 1,717,683 km (0.106 R)
• M6: 2,294,383 km (0.118 R)
• M7: 2,781,623 km (0.069 R)
• M8: 3,434,318 km (0.088 R)
• M9: 3,750,568 km (0.116 R)
• M10: 4,185,748 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.7

Radius: 14.5

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.74 AU - 0.74 AU

Year: 439 Days

Day: 6 Hours

Environment

Temp: -151 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,932,040 km

• M1: 180,265 km (0.071 R)
• M2: 632,350 km (0.061 R)
• M3: 1,087,876 km (0.049 R)
• M4: 1,617,153 km (0.107 R)
• M5: 2,164,681 km (0.073 R)
• M6: 2,693,061 km (0.026 R)
• M7: 3,169,231 km (0.08 R)
• M8: 3,725,585 km (0.081 R)
• M9: 4,360,030 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 15

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.24 AU - 1.82 AU

Year: 1306 Days

Day: 12.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,932,040 km

• M1: 186,549 km (0.028 R)
• M2: 682,017 km (0.067 R)
• M3: 1,392,307 km (0.115 R)
• M4: 2,126,235 km (0.119 R)
• M5: 2,625,443 km (0.092 R)
• M6: 4,886,315 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.1

Radius: 10.8

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.65 AU - 2.87 AU

Year: 3165 Days

Day: 8.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,932,040 km

• M1: 216,917 km (0.062 R)
• M2: 1,026,989 km (0.116 R)
• M3: 1,928,017 km (0.096 R)
• M4: 2,380,401 km (0.086 R)
• M5: 3,237,597 km (0.116 R)
• M6: 3,778,393 km (0.091 R)
• M7: 4,356,140 km (0.087 R)
• M8: 4,725,797 km (0.108 R)
• M9: 5,268,239 km (0.082 R)
• M10: 5,769,840 km (0.084 R)
• M11: 6,159,692 km (0.108 R)
• M12: 7,307,407 km (0.102 R)
• M13: 7,731,218 km (0.092 R)
• M14: 8,380,174 km (0.056 R)
• M15: 10,669,619 km (0.075 R)
• M16: 11,387,839 km (0.028 R)
• M17: 12,047,865 km (0.04 R)
• M18: 14,181,878 km (0.118 R)
• M19: 15,953,267 km (0.07 R)
• M20: 16,390,691 km (0.062 R)
• M21: 19,555,434 km (0.072 R)
• M22: 21,611,656 km (0.113 R)
• M23: 22,486,804 km (0.072 R)
• M24: 22,967,761 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.6

Radius: 8.6

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.56 AU - 5.4 AU

Year: 6545 Days

Day: 11.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,932,040 km

• M1: 106,962 km (0.062 R)
• M2: 388,206 km (0.09 R)
• M3: 656,286 km (0.118 R)
• M4: 1,184,965 km (0.097 R)
• M5: 1,666,520 km (0.078 R)
• M6: 1,990,699 km (0.102 R)
• M7: 2,601,507 km (0.109 R)
• M8: 2,921,646 km (0.088 R)
• M9: 3,551,154 km (0.092 R)
• M10: 4,370,801 km (0.063 R)
• M11: 5,735,433 km (0.059 R)
• M12: 8,981,407 km (0.081 R)
• M13: 9,806,140 km (0.071 R)
• M14: 12,268,970 km (0.059 R)
• M15: 13,448,549 km (0.059 R)
• M16: 15,478,443 km (0.104 R)
• M17: 16,918,622 km (0.107 R)
• M18: 18,720,827 km (0.065 R)
• M19: 20,427,140 km (0.111 R)
• M20: 22,234,582 km (0.095 R)
• M21: 22,545,895 km (0.108 R)
• M22: 24,557,687 km (0.114 R)
• M23: 24,974,018 km (0.117 R)
• M24: 25,310,464 km (0.106 R)
• M25: 27,392,866 km (0.094 R)
• M26: 29,963,706 km (0.079 R)
• M27: 30,343,535 km (0.073 R)
• M28: 32,291,598 km (0.068 R)
• M29: 33,194,870 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.2

Radius: 7.1

Gravity: 19.09 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.63 AU - 6.99 AU

Year: 10941 Days

Day: 23.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,932,040 km

• M1: 88,263 km (0.057 R)
• M2: 339,288 km (0.09 R)
• M3: 593,006 km (0.058 R)
• M4: 894,894 km (0.116 R)
• M5: 2,404,935 km (0.061 R)
• M6: 3,896,875 km (0.08 R)
• M7: 4,581,584 km (0.041 R)
• M8: 4,870,308 km (0.106 R)
• M9: 5,847,332 km (0.076 R)
• M10: 6,072,626 km (0.092 R)
• M11: 8,950,441 km (0.116 R)
• M12: 10,794,982 km (0.111 R)
• M13: 12,816,199 km (0.106 R)
• M14: 13,455,580 km (0.103 R)
• M15: 13,783,200 km (0.086 R)
• M16: 17,590,765 km (0.113 R)
• M17: 20,199,901 km (0.03 R)
• M18: 22,045,789 km (0.112 R)
• M19: 24,193,416 km (0.096 R)
• M20: 25,466,943 km (0.083 R)
• M21: 25,767,036 km (0.108 R)
• M22: 27,303,257 km (0.118 R)
• M23: 33,101,371 km (0.045 R)
• M24: 35,409,517 km (0.118 R)
• M25: 43,684,822 km (0.094 R)
• M26: 48,267,753 km (0.083 R)
• M27: 48,881,553 km (0.095 R)
• M28: 49,500,439 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.3

Radius: 5.5

Gravity: 12.27 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.25 AU - 8.95 AU

Year: 14462 Days

Day: 18.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,932,040 km

• M1: 68,665 km (0.104 R)
• M2: 265,237 km (0.086 R)
• M3: 1,311,076 km (0.094 R)
• M4: 1,498,522 km (0.116 R)
• M5: 2,135,809 km (0.113 R)
• M6: 2,397,156 km (0.075 R)
• M7: 2,576,075 km (0.112 R)
• M8: 4,801,044 km (0.113 R)
• M9: 5,417,537 km (0.093 R)
• M10: 6,085,492 km (0.083 R)
• M11: 6,534,734 km (0.074 R)
• M12: 8,103,717 km (0.08 R)
• M13: 8,509,127 km (0.03 R)
• M14: 8,740,106 km (0.091 R)
• M15: 10,163,679 km (0.104 R)
• M16: 11,176,008 km (0.092 R)
• M17: 12,371,295 km (0.085 R)
• M18: 13,213,980 km (0.089 R)
• M19: 13,399,332 km (0.054 R)
• M20: 13,649,310 km (0.101 R)
• M21: 14,352,719 km (0.057 R)
• M22: 19,010,149 km (0.088 R)
• M23: 19,645,043 km (0.049 R)
• M24: 21,463,704 km (0.096 R)
• M25: 22,766,253 km (0.105 R)
• M26: 24,305,016 km (0.108 R)
• M27: 25,719,315 km (0.037 R)
• M28: 26,008,637 km (0.112 R)
• M29: 28,814,195 km (0.046 R)
• M30: 32,596,778 km (0.083 R)
• M31: 35,851,130 km (0.09 R)
• M32: 37,433,127 km (0.03 R)
• M33: 41,128,793 km (0.104 R)
• M34: 45,762,737 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.9

Radius: 6.5

Gravity: 19.12 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.52 AU - 10.08 AU

Year: 16505 Days

Day: 19.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,932,040 km

• M1: 81,082 km (0.105 R)
• M2: 386,860 km (0.086 R)
• M3: 698,472 km (0.072 R)
• M4: 1,094,608 km (0.105 R)
• M5: 1,322,595 km (0.072 R)
• M6: 1,582,446 km (0.102 R)
• M7: 1,950,457 km (0.107 R)
• M8: 2,310,090 km (0.095 R)
• M9: 2,551,092 km (0.11 R)
• M10: 4,434,978 km (0.079 R)
• M11: 4,808,973 km (0.083 R)
• M12: 5,057,754 km (0.037 R)
• M13: 5,936,492 km (0.068 R)
• M14: 6,561,811 km (0.078 R)
• M15: 7,557,236 km (0.07 R)
• M16: 8,190,783 km (0.094 R)
• M17: 13,936,837 km (0.077 R)
• M18: 23,189,166 km (0.064 R)
• M19: 23,492,401 km (0.062 R)
• M20: 30,365,675 km (0.081 R)
• M21: 32,209,319 km (0.082 R)
• M22: 35,713,649 km (0.099 R)
• M23: 36,525,517 km (0.116 R)
• M24: 36,798,832 km (0.028 R)
• M25: 37,488,179 km (0.046 R)
• M26: 44,238,933 km (0.1 R)
• M27: 48,555,729 km (0.068 R)
• M28: 55,274,618 km (0.052 R)
• M29: 63,766,691 km (0.109 R)
• M30: 69,466,669 km (0.082 R)
• M31: 70,096,775 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 630.7

Radius: 3

Gravity: 70.08 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.7 AU - 10.36 AU

Year: 17196 Days

Day: 22.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 66,932,040 km

• M1: 38,297 km (0.112 R)
• M2: 158,723 km (0.047 R)
• M3: 281,693 km (0.115 R)
• M4: 420,968 km (0.057 R)
• M5: 749,635 km (0.113 R)
• M6: 1,146,518 km (0.115 R)
• M7: 1,296,415 km (0.04 R)
• M8: 1,668,764 km (0.115 R)
• M9: 1,916,648 km (0.029 R)
• M10: 2,188,467 km (0.086 R)
• M11: 2,376,362 km (0.104 R)
• M12: 2,880,956 km (0.077 R)
• M13: 3,453,317 km (0.045 R)
• M14: 3,621,764 km (0.081 R)
• M15: 4,254,713 km (0.07 R)
• M16: 4,580,687 km (0.102 R)
• M17: 5,735,732 km (0.087 R)
• M18: 7,907,444 km (0.084 R)
• M19: 8,052,853 km (0.118 R)
• M20: 11,974,861 km (0.116 R)
• M21: 15,446,279 km (0.085 R)
• M22: 16,135,028 km (0.113 R)
• M23: 16,843,972 km (0.116 R)
• M24: 18,071,273 km (0.119 R)
• M25: 18,493,139 km (0.106 R)
• M26: 20,793,954 km (0.068 R)
• M27: 23,080,707 km (0.115 R)
• M28: 24,284,522 km (0.113 R)
• M29: 24,798,091 km (0.103 R)
• M30: 24,901,762 km (0.096 R)
• M31: 26,816,316 km (0.089 R)
• M32: 29,171,286 km (0.115 R)
• M33: 36,651,628 km (0.057 R)
• M34: 39,544,701 km (0.104 R)
• M35: 41,555,596 km (0.108 R)
• M36: 43,332,519 km (0.032 R)
• M37: 47,995,335 km (0.118 R)
• M38: 57,029,700 km (0.066 R)
• M39: 60,713,398 km (0.099 R)
• M40: 62,613,441 km (0.079 R)
• M41: 63,384,319 km (0.119 R)
• M42: 65,537,032 km (0.063 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: 473 - 13,303 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit