🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.2

Radius: 13.1

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.47 AU - 0.69 AU

Year: 300 Days

Day: 12.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,042,711 km

• M1: 162,912 km (0.116 R)
• M2: 632,350 km (0.079 R)
• M3: 1,267,094 km (0.082 R)
• M4: 1,805,347 km (0.031 R)
• M5: 2,322,806 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.7

Radius: 12.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.75 AU - 0.91 AU

Year: 513 Days

Day: 7.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,042,711 km

• M1: 154,684 km (0.044 R)
• M2: 604,824 km (0.075 R)
• M3: 1,607,280 km (0.066 R)
• M4: 2,367,536 km (0.112 R)
• M5: 3,012,153 km (0.107 R)
• M6: 3,736,207 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.3

Radius: 10.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.76 AU - 1.1 AU

Year: 608 Days

Day: 12.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,042,711 km

• M1: 135,685 km (0.108 R)
• M2: 500,106 km (0.115 R)
• M3: 920,775 km (0.108 R)
• M4: 1,830,180 km (0.092 R)
• M5: 2,173,956 km (0.076 R)
• M6: 3,300,428 km (0.103 R)
• M7: 3,804,423 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.4

Radius: 12.8

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.16 AU - 1.38 AU

Year: 971 Days

Day: 10.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,042,711 km

• M1: 160,070 km (0.103 R)
• M2: 614,398 km (0.099 R)
• M3: 1,462,618 km (0.09 R)
• M4: 2,070,734 km (0.026 R)
• M5: 2,475,396 km (0.082 R)
• M6: 3,825,068 km (0.083 R)
• M7: 5,050,424 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.8

Radius: 9

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.23 AU - 2.61 AU

Year: 2553 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,042,711 km

• M1: 111,899 km (0.116 R)
• M2: 554,410 km (0.1 R)
• M3: 1,548,338 km (0.117 R)
• M4: 2,188,467 km (0.039 R)
• M5: 2,529,700 km (0.045 R)
• M6: 3,466,931 km (0.093 R)
• M7: 4,991,632 km (0.061 R)
• M8: 5,564,293 km (0.101 R)
• M9: 6,328,439 km (0.1 R)
• M10: 9,592,963 km (0.085 R)
• M11: 10,028,892 km (0.036 R)
• M12: 11,640,958 km (0.113 R)
• M13: 14,788,498 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515

Radius: 14.6

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.74 AU - 3.3 AU

Year: 3560 Days

Day: 7 Hours

Environment

Temp: -221 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,042,711 km

• M1: 189,690 km (0.12 R)
• M2: 673,639 km (0.075 R)
• M3: 1,161,029 km (0.088 R)
• M4: 2,814,684 km (0.1 R)
• M5: 3,524,675 km (0.075 R)
• M6: 4,265,933 km (0.096 R)
• M7: 6,310,188 km (0.111 R)
• M8: 9,086,275 km (0.045 R)
• M9: 11,506,769 km (0.105 R)
• M10: 15,693,565 km (0.087 R)
• M11: 17,644,022 km (0.057 R)
• M12: 19,209,563 km (0.102 R)
• M13: 19,995,551 km (0.078 R)
• M14: 20,489,822 km (0.116 R)
• M15: 21,182,759 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.9

Radius: 10.9

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.96 AU - 4.66 AU

Year: 6069 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,042,711 km

• M1: 135,536 km (0.094 R)
• M2: 611,406 km (0.068 R)
• M3: 1,086,529 km (0.07 R)
• M4: 3,010,508 km (0.037 R)
• M5: 3,366,850 km (0.113 R)
• M6: 3,894,182 km (0.09 R)
• M7: 5,594,661 km (0.115 R)
• M8: 6,890,628 km (0.102 R)
• M9: 7,937,663 km (0.115 R)
• M10: 8,377,032 km (0.041 R)
• M11: 8,874,594 km (0.09 R)
• M12: 9,480,167 km (0.07 R)
• M13: 10,822,060 km (0.109 R)
• M14: 11,263,074 km (0.096 R)
• M15: 12,024,976 km (0.106 R)
• M16: 12,766,832 km (0.114 R)
• M17: 13,538,757 km (0.088 R)
• M18: 16,042,277 km (0.105 R)
• M19: 17,006,735 km (0.094 R)
• M20: 18,214,588 km (0.092 R)
• M21: 18,980,230 km (0.108 R)
• M22: 20,725,439 km (0.109 R)
• M23: 21,102,126 km (0.039 R)
• M24: 22,575,216 km (0.097 R)
• M25: 23,867,891 km (0.051 R)
• M26: 25,811,766 km (0.077 R)
• M27: 28,317,979 km (0.108 R)
• M28: 29,820,690 km (0.116 R)
• M29: 30,786,643 km (0.116 R)
• M30: 35,607,136 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.6

Radius: 3.4

Gravity: 81.63 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.49 AU - 8.23 AU

Year: 13543 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,042,711 km

• M1: 43,234 km (0.06 R)
• M2: 195,824 km (0.081 R)
• M3: 304,581 km (0.091 R)
• M4: 718,219 km (0.12 R)
• M5: 1,073,963 km (0.1 R)
• M6: 1,369,718 km (0.086 R)
• M7: 1,649,915 km (0.09 R)
• M8: 2,791,795 km (0.082 R)
• M9: 3,455,262 km (0.077 R)
• M10: 3,679,060 km (0.104 R)
• M11: 5,302,197 km (0.103 R)
• M12: 6,228,358 km (0.093 R)
• M13: 7,078,522 km (0.12 R)
• M14: 9,005,642 km (0.108 R)
• M15: 9,162,870 km (0.087 R)
• M16: 9,645,622 km (0.054 R)
• M17: 11,316,630 km (0.059 R)
• M18: 12,837,592 km (0.116 R)
• M19: 15,217,993 km (0.115 R)
• M20: 16,905,607 km (0.051 R)
• M21: 18,884,338 km (0.112 R)
• M22: 20,737,855 km (0.105 R)
• M23: 22,902,985 km (0.082 R)
• M24: 31,601,952 km (0.075 R)
• M25: 38,849,370 km (0.093 R)
• M26: 40,250,205 km (0.102 R)
• M27: 43,300,954 km (0.114 R)
• M28: 44,806,357 km (0.108 R)
• M29: 46,346,168 km (0.089 R)
• M30: 46,971,936 km (0.114 R)
• M31: 47,444,965 km (0.096 R)
• M32: 48,721,633 km (0.1 R)
• M33: 50,185,149 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.1

Radius: 3.8

Gravity: 42.32 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.29 AU - 11.41 AU

Year: 19391 Days

Day: 20.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 70,042,711 km

• M1: 47,273 km (0.104 R)
• M2: 174,282 km (0.107 R)
• M3: 425,008 km (0.116 R)
• M4: 595,549 km (0.101 R)
• M5: 1,264,401 km (0.075 R)
• M6: 1,506,301 km (0.059 R)
• M7: 1,906,924 km (0.107 R)
• M8: 2,865,547 km (0.078 R)
• M9: 4,671,044 km (0.093 R)
• M10: 9,671,652 km (0.104 R)
• M11: 10,662,439 km (0.056 R)
• M12: 13,608,320 km (0.092 R)
• M13: 15,075,875 km (0.083 R)
• M14: 15,535,888 km (0.047 R)
• M15: 26,038,557 km (0.115 R)
• M16: 27,147,675 km (0.066 R)
• M17: 29,222,598 km (0.098 R)
• M18: 30,663,076 km (0.073 R)
• M19: 30,785,147 km (0.069 R)
• M20: 32,783,775 km (0.111 R)
• M21: 33,425,699 km (0.062 R)
• M22: 34,470,042 km (0.097 R)
• M23: 35,401,439 km (0.12 R)
• M24: 35,805,802 km (0.095 R)
• M25: 40,458,295 km (0.11 R)
• M26: 42,396,485 km (0.11 R)
• M27: 43,005,199 km (0.073 R)
• M28: 46,296,203 km (0.09 R)
• M29: 46,457,020 km (0.054 R)
• M30: 51,111,309 km (0.025 R)
• M31: 56,799,768 km (0.069 R)
• M32: 60,946,322 km (0.11 R)
• M33: 62,699,160 km (0.105 R)
• M34: 63,093,201 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.5

Radius: 6

Gravity: 14.96 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.26 AU - 9.78 AU

Year: 19923 Days

Day: 22.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,042,711 km

• M1: 75,248 km (0.089 R)
• M2: 609,611 km (0.076 R)
• M3: 948,301 km (0.044 R)
• M4: 1,406,370 km (0.102 R)
• M5: 1,643,632 km (0.07 R)
• M6: 1,889,122 km (0.043 R)
• M7: 3,561,477 km (0.11 R)
• M8: 4,257,107 km (0.111 R)
• M9: 5,295,465 km (0.11 R)
• M10: 6,752,698 km (0.081 R)
• M11: 7,109,489 km (0.118 R)
• M12: 8,306,272 km (0.116 R)
• M13: 13,585,431 km (0.084 R)
• M14: 15,037,129 km (0.075 R)
• M15: 16,112,738 km (0.059 R)
• M16: 21,688,849 km (0.109 R)
• M17: 25,222,949 km (0.071 R)
• M18: 29,592,404 km (0.108 R)
• M19: 32,896,422 km (0.1 R)
• M20: 34,050,271 km (0.096 R)
• M21: 35,496,732 km (0.117 R)
• M22: 41,249,518 km (0.105 R)
• M23: 41,990,926 km (0.091 R)
• M24: 42,440,018 km (0.073 R)
• M25: 47,431,501 km (0.088 R)
• M26: 56,353,967 km (0.108 R)
• M27: 58,003,732 km (0.095 R)
• M28: 65,124,890 km (0.112 R)
• M29: 67,145,059 km (0.051 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 13,720 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit