🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.1

Radius: 10.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.65 AU - 0.75 AU

Year: 397 Days

Day: 6.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,981,309 km

• M1: 125,662 km (0.05 R)
• M2: 491,728 km (0.119 R)
• M3: 904,170 km (0.059 R)
• M4: 1,264,700 km (0.093 R)
• M5: 1,695,542 km (0.093 R)
• M6: 2,020,918 km (0.1 R)
• M7: 2,448,169 km (0.084 R)
• M8: 3,014,098 km (0.079 R)
• M9: 3,452,868 km (0.081 R)
• M10: 3,922,157 km (0.082 R)
• M11: 4,433,482 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.2

Radius: 13.6

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.69 AU - 0.87 AU

Year: 467 Days

Day: 6.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,981,309 km

• M1: 169,195 km (0.094 R)
• M2: 605,572 km (0.05 R)
• M3: 1,089,970 km (0.1 R)
• M4: 1,697,188 km (0.117 R)
• M5: 2,389,676 km (0.085 R)
• M6: 2,977,446 km (0.08 R)
• M7: 3,571,500 km (0.099 R)
• M8: 4,748,386 km (0.046 R)
• M9: 5,210,195 km (0.056 R)
• M10: 6,355,965 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.6

Radius: 12.1

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.78 AU - 1.23 AU

Year: 678 Days

Day: 14 Hours

Environment

Temp: -184 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,981,309 km

• M1: 151,243 km (0.11 R)
• M2: 1,307,934 km (0.113 R)
• M3: 2,025,406 km (0.1 R)
• M4: 2,707,123 km (0.075 R)
• M5: 3,140,508 km (0.111 R)
• M6: 4,363,171 km (0.058 R)
• M7: 4,992,679 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.4

Radius: 13.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.81 AU - 1.95 AU

Year: 1748 Days

Day: 6.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,981,309 km

• M1: 167,849 km (0.059 R)
• M2: 724,652 km (0.102 R)
• M3: 1,219,223 km (0.115 R)
• M4: 1,769,892 km (0.036 R)
• M5: 2,227,512 km (0.111 R)
• M6: 2,957,550 km (0.077 R)
• M7: 4,027,923 km (0.081 R)
• M8: 4,518,903 km (0.102 R)
• M9: 5,887,723 km (0.084 R)
• M10: 7,091,089 km (0.097 R)
• M11: 7,810,654 km (0.076 R)
• M12: 8,358,482 km (0.054 R)
• M13: 10,157,995 km (0.071 R)
• M14: 11,805,366 km (0.074 R)
• M15: 13,754,926 km (0.071 R)
• M16: 15,767,167 km (0.109 R)
• M17: 16,250,517 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.8

Radius: 9.8

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.85 AU - 4.27 AU

Year: 4556 Days

Day: 10.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,981,309 km

• M1: 123,867 km (0.088 R)
• M2: 438,322 km (0.097 R)
• M3: 769,980 km (0.084 R)
• M4: 1,180,477 km (0.095 R)
• M5: 1,590,824 km (0.073 R)
• M6: 2,211,655 km (0.106 R)
• M7: 2,537,778 km (0.093 R)
• M8: 3,406,942 km (0.069 R)
• M9: 3,758,647 km (0.06 R)
• M10: 4,088,959 km (0.099 R)
• M11: 4,487,039 km (0.107 R)
• M12: 6,253,341 km (0.094 R)
• M13: 6,944,483 km (0.109 R)
• M14: 7,410,331 km (0.099 R)
• M15: 9,565,886 km (0.065 R)
• M16: 11,321,716 km (0.118 R)
• M17: 13,587,675 km (0.091 R)
• M18: 14,583,997 km (0.079 R)
• M19: 15,348,891 km (0.1 R)
• M20: 16,663,108 km (0.102 R)
• M21: 18,362,540 km (0.064 R)
• M22: 20,510,317 km (0.113 R)
• M23: 21,539,849 km (0.066 R)
• M24: 22,459,727 km (0.109 R)
• M25: 23,405,484 km (0.08 R)
• M26: 23,925,636 km (0.033 R)
• M27: 25,376,287 km (0.109 R)
• M28: 26,965,914 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.2

Radius: 12.5

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.11 AU - 4.95 AU

Year: 6539 Days

Day: 7.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,981,309 km

• M1: 155,432 km (0.078 R)
• M2: 667,805 km (0.032 R)
• M3: 1,808,040 km (0.089 R)
• M4: 2,302,461 km (0.113 R)
• M5: 3,329,899 km (0.046 R)
• M6: 4,484,047 km (0.094 R)
• M7: 5,580,300 km (0.086 R)
• M8: 6,143,237 km (0.059 R)
• M9: 6,917,406 km (0.08 R)
• M10: 7,419,905 km (0.079 R)
• M11: 8,062,727 km (0.091 R)
• M12: 9,900,237 km (0.079 R)
• M13: 12,155,725 km (0.079 R)
• M14: 13,158,180 km (0.102 R)
• M15: 15,997,697 km (0.06 R)
• M16: 17,331,362 km (0.063 R)
• M17: 18,126,026 km (0.113 R)
• M18: 18,600,700 km (0.097 R)
• M19: 20,291,455 km (0.072 R)
• M20: 21,929,402 km (0.087 R)
• M21: 23,493,298 km (0.119 R)
• M22: 24,963,546 km (0.08 R)
• M23: 25,466,943 km (0.099 R)
• M24: 26,320,997 km (0.102 R)
• M25: 26,755,130 km (0.089 R)
• M26: 31,363,642 km (0.114 R)
• M27: 32,048,501 km (0.086 R)
• M28: 32,943,545 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.8

Radius: 11

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.98 AU - 5.92 AU

Year: 7470 Days

Day: 13.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,981,309 km

• M1: 147,653 km (0.073 R)
• M2: 808,876 km (0.119 R)
• M3: 1,162,226 km (0.071 R)
• M4: 1,878,052 km (0.118 R)
• M5: 2,254,440 km (0.098 R)
• M6: 3,012,452 km (0.098 R)
• M7: 4,984,003 km (0.032 R)
• M8: 7,950,528 km (0.045 R)
• M9: 10,482,921 km (0.057 R)
• M10: 11,071,290 km (0.12 R)
• M11: 12,357,383 km (0.097 R)
• M12: 14,302,604 km (0.045 R)
• M13: 14,782,663 km (0.106 R)
• M14: 16,030,309 km (0.083 R)
• M15: 17,563,987 km (0.103 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.8

Radius: 14.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.61 AU - 5.63 AU

Year: 7858 Days

Day: 11.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,981,309 km

• M1: 180,415 km (0.084 R)
• M2: 719,117 km (0.038 R)
• M3: 1,172,698 km (0.06 R)
• M4: 2,509,504 km (0.094 R)
• M5: 3,292,948 km (0.094 R)
• M6: 3,824,320 km (0.055 R)
• M7: 4,310,513 km (0.1 R)
• M8: 5,262,404 km (0.045 R)
• M9: 6,483,721 km (0.065 R)
• M10: 7,361,262 km (0.062 R)
• M11: 8,276,951 km (0.043 R)
• M12: 9,012,524 km (0.104 R)
• M13: 9,570,673 km (0.095 R)
• M14: 10,106,383 km (0.099 R)
• M15: 10,614,867 km (0.114 R)
• M16: 11,385,146 km (0.117 R)
• M17: 12,716,118 km (0.073 R)
• M18: 14,785,954 km (0.095 R)
• M19: 16,369,149 km (0.071 R)
• M20: 17,661,824 km (0.104 R)
• M21: 18,130,065 km (0.12 R)
• M22: 21,265,936 km (0.1 R)
• M23: 24,416,018 km (0.1 R)
• M24: 27,150,817 km (0.04 R)
• M25: 28,136,368 km (0.086 R)
• M26: 34,870,815 km (0.094 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.3

Radius: 8.2

Gravity: 7.1 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.24 AU - 6.82 AU

Year: 8820 Days

Day: 6.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 39,981,309 km

• M1: 109,954 km (0.099 R)
• M2: 395,537 km (0.049 R)
• M3: 1,052,720 km (0.056 R)
• M4: 1,308,832 km (0.115 R)
• M5: 1,716,636 km (0.115 R)
• M6: 2,468,066 km (0.102 R)
• M7: 2,928,528 km (0.054 R)
• M8: 3,355,031 km (0.099 R)
• M9: 3,654,078 km (0.056 R)
• M10: 5,182,070 km (0.032 R)
• M11: 5,710,450 km (0.094 R)
• M12: 6,071,130 km (0.058 R)
• M13: 7,058,327 km (0.052 R)
• M14: 8,026,674 km (0.102 R)
• M15: 8,479,806 km (0.11 R)
• M16: 8,949,842 km (0.102 R)
• M17: 9,710,398 km (0.099 R)
• M18: 11,878,520 km (0.1 R)
• M19: 12,197,313 km (0.09 R)
• M20: 13,415,189 km (0.076 R)
• M21: 14,834,125 km (0.068 R)
• M22: 15,706,580 km (0.106 R)
• M23: 17,417,082 km (0.103 R)
• M24: 18,743,117 km (0.098 R)
• M25: 19,175,455 km (0.09 R)
• M26: 21,594,752 km (0.057 R)
• M27: 22,714,492 km (0.05 R)
• M28: 24,041,126 km (0.075 R)
• M29: 24,723,442 km (0.101 R)
• M30: 25,771,076 km (0.068 R)
• M31: 26,485,705 km (0.091 R)
• M32: 28,141,903 km (0.065 R)
• M33: 33,523,237 km (0.112 R)
• M34: 33,840,834 km (0.059 R)
• M35: 35,022,657 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.7

Radius: 5.8

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.53 AU - 7.95 AU

Year: 13213 Days

Day: 22.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 39,981,309 km

• M1: 72,405 km (0.026 R)
• M2: 293,361 km (0.088 R)
• M3: 520,750 km (0.108 R)
• M4: 857,645 km (0.12 R)
• M5: 1,586,037 km (0.098 R)
• M6: 1,857,557 km (0.052 R)
• M7: 2,176,649 km (0.079 R)
• M8: 2,607,192 km (0.108 R)
• M9: 3,495,055 km (0.072 R)
• M10: 3,782,133 km (0.062 R)
• M11: 4,084,770 km (0.088 R)
• M12: 4,767,385 km (0.101 R)
• M13: 4,971,586 km (0.096 R)
• M14: 5,523,303 km (0.092 R)
• M15: 6,081,153 km (0.088 R)
• M16: 7,232,010 km (0.106 R)
• M17: 8,061,979 km (0.056 R)
• M18: 8,735,618 km (0.036 R)
• M19: 9,446,208 km (0.09 R)
• M20: 9,815,565 km (0.049 R)
• M21: 10,003,909 km (0.08 R)
• M22: 11,235,847 km (0.112 R)
• M23: 12,237,255 km (0.089 R)
• M24: 13,412,047 km (0.082 R)
• M25: 13,643,924 km (0.062 R)
• M26: 17,316,103 km (0.077 R)
• M27: 17,660,477 km (0.069 R)
• M28: 23,895,866 km (0.054 R)
• M29: 24,495,006 km (0.106 R)
• M30: 24,841,774 km (0.106 R)
• M31: 27,454,949 km (0.105 R)
• M32: 30,245,847 km (0.077 R)
• M33: 35,051,230 km (0.051 R)
• M34: 36,608,993 km (0.098 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: 319 - 13,696 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit