🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.3

Radius: 13.3

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.16 AU - 1.4 AU

Year: 1000 Days

Day: 5.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,157,806 km

• M1: 165,455 km (0.116 R)
• M2: 635,193 km (0.096 R)
• M3: 1,271,881 km (0.077 R)
• M4: 1,714,840 km (0.049 R)
• M5: 2,318,019 km (0.111 R)
• M6: 2,992,855 km (0.08 R)
• M7: 4,830,814 km (0.077 R)
• M8: 5,374,603 km (0.119 R)
• M9: 5,894,455 km (0.11 R)
• M10: 6,539,372 km (0.119 R)
• M11: 7,405,394 km (0.104 R)
• M12: 8,103,866 km (0.111 R)
• M13: 8,705,100 km (0.118 R)
• M14: 9,783,551 km (0.072 R)
• M15: 10,245,360 km (0.088 R)
• M16: 11,313,040 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.6

Radius: 14.5

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.3 AU - 1.86 AU

Year: 1371 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,157,806 km

• M1: 180,565 km (0.032 R)
• M2: 693,386 km (0.116 R)
• M3: 1,191,397 km (0.048 R)
• M4: 1,646,025 km (0.111 R)
• M5: 2,118,904 km (0.108 R)
• M6: 3,025,168 km (0.096 R)
• M7: 3,504,929 km (0.082 R)
• M8: 3,966,737 km (0.113 R)
• M9: 4,974,279 km (0.107 R)
• M10: 5,560,702 km (0.058 R)
• M11: 6,169,566 km (0.093 R)
• M12: 8,211,577 km (0.075 R)
• M13: 8,793,363 km (0.11 R)
• M14: 9,340,442 km (0.074 R)
• M15: 10,170,710 km (0.096 R)
• M16: 10,671,863 km (0.111 R)
• M17: 12,237,704 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.5

Radius: 14.2

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.73 AU - 1.81 AU

Year: 1625 Days

Day: 10.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,157,806 km

• M1: 179,517 km (0.109 R)
• M2: 737,667 km (0.06 R)
• M3: 1,316,012 km (0.094 R)
• M4: 1,889,870 km (0.081 R)
• M5: 3,862,617 km (0.106 R)
• M6: 4,421,066 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.3

Radius: 13.1

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.36 AU - 3.06 AU

Year: 3079 Days

Day: 11.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,157,806 km

• M1: 163,959 km (0.108 R)
• M2: 699,669 km (0.113 R)
• M3: 1,163,572 km (0.109 R)
• M4: 1,687,165 km (0.092 R)
• M5: 2,104,094 km (0.089 R)
• M6: 2,748,262 km (0.069 R)
• M7: 3,170,876 km (0.032 R)
• M8: 3,918,118 km (0.094 R)
• M9: 4,434,530 km (0.118 R)
• M10: 5,218,722 km (0.077 R)
• M11: 5,684,270 km (0.07 R)
• M12: 6,121,395 km (0.087 R)
• M13: 7,733,163 km (0.102 R)
• M14: 8,584,973 km (0.086 R)
• M15: 9,052,018 km (0.099 R)
• M16: 10,843,153 km (0.114 R)
• M17: 11,518,438 km (0.049 R)
• M18: 11,998,796 km (0.054 R)
• M19: 12,953,081 km (0.114 R)
• M20: 15,533,944 km (0.079 R)
• M21: 16,120,966 km (0.094 R)
• M22: 17,682,169 km (0.057 R)
• M23: 18,146,222 km (0.057 R)
• M24: 19,038,274 km (0.119 R)
• M25: 19,834,882 km (0.038 R)
• M26: 22,764,906 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.8

Radius: 13

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.68 AU - 3.28 AU

Year: 3551 Days

Day: 11.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,157,806 km

• M1: 163,211 km (0.085 R)
• M2: 637,885 km (0.06 R)
• M3: 1,249,292 km (0.028 R)
• M4: 1,861,297 km (0.058 R)
• M5: 5,818,908 km (0.099 R)
• M6: 6,359,106 km (0.111 R)
• M7: 8,117,629 km (0.081 R)
• M8: 9,145,217 km (0.106 R)
• M9: 10,104,439 km (0.092 R)
• M10: 13,711,692 km (0.06 R)
• M11: 16,563,775 km (0.101 R)
• M12: 19,610,785 km (0.04 R)
• M13: 20,213,515 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.4

Radius: 11.3

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.23 AU - 4.35 AU

Year: 5093 Days

Day: 7.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,157,806 km

• M1: 171,439 km (0.113 R)
• M2: 639,830 km (0.041 R)
• M3: 1,132,007 km (0.084 R)
• M4: 2,083,450 km (0.078 R)
• M5: 2,437,548 km (0.038 R)
• M6: 2,995,398 km (0.064 R)
• M7: 3,468,427 km (0.108 R)
• M8: 5,542,900 km (0.097 R)
• M9: 7,371,136 km (0.06 R)
• M10: 8,204,695 km (0.099 R)
• M11: 9,243,353 km (0.12 R)
• M12: 10,484,716 km (0.078 R)
• M13: 11,084,454 km (0.12 R)
• M14: 13,481,162 km (0.066 R)
• M15: 13,903,925 km (0.082 R)
• M16: 17,611,559 km (0.092 R)
• M17: 19,039,919 km (0.101 R)
• M18: 19,572,488 km (0.042 R)
• M19: 20,054,193 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.1

Radius: 11.6

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.05 AU - 5.95 AU

Year: 8903 Days

Day: 8 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,157,806 km

• M1: 145,559 km (0.078 R)
• M2: 573,259 km (0.119 R)
• M3: 1,009,337 km (0.078 R)
• M4: 1,448,706 km (0.086 R)
• M5: 3,052,694 km (0.058 R)
• M6: 4,711,884 km (0.073 R)
• M7: 6,038,219 km (0.103 R)
• M8: 6,710,512 km (0.103 R)
• M9: 8,656,481 km (0.109 R)
• M10: 10,474,993 km (0.118 R)
• M11: 12,242,342 km (0.117 R)
• M12: 16,859,680 km (0.12 R)
• M13: 17,369,809 km (0.109 R)
• M14: 18,344,738 km (0.089 R)
• M15: 35,483,568 km (0.11 R)
• M16: 36,442,939 km (0.081 R)
• M17: 39,297,565 km (0.034 R)
• M18: 39,937,246 km (0.087 R)
• M19: 45,729,227 km (0.08 R)
• M20: 49,489,968 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.8

Radius: 4.4

Gravity: 28.24 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 6.03 AU - 7.29 AU

Year: 11864 Days

Day: 23.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,157,806 km

• M1: 54,753 km (0.102 R)
• M2: 194,178 km (0.118 R)
• M3: 708,944 km (0.116 R)
• M4: 1,256,173 km (0.06 R)
• M5: 1,480,869 km (0.097 R)
• M6: 2,244,267 km (0.059 R)
• M7: 2,475,097 km (0.055 R)
• M8: 3,099,219 km (0.105 R)
• M9: 4,681,815 km (0.114 R)
• M10: 6,853,677 km (0.115 R)
• M11: 7,298,581 km (0.118 R)
• M12: 7,507,270 km (0.063 R)
• M13: 15,636,867 km (0.08 R)
• M14: 26,312,171 km (0.064 R)
• M15: 30,515,422 km (0.064 R)
• M16: 35,620,300 km (0.062 R)
• M17: 42,462,159 km (0.068 R)
• M18: 48,351,977 km (0.118 R)
• M19: 49,087,549 km (0.027 R)
• M20: 49,235,502 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.8

Radius: 3.4

Gravity: 76.89 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.93 AU - 8.13 AU

Year: 15707 Days

Day: 19.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,157,806 km

• M1: 42,486 km (0.079 R)
• M2: 201,060 km (0.102 R)
• M3: 347,965 km (0.03 R)
• M4: 879,037 km (0.088 R)
• M5: 1,145,471 km (0.081 R)
• M6: 1,526,646 km (0.118 R)
• M7: 1,782,010 km (0.044 R)
• M8: 1,967,661 km (0.114 R)
• M9: 2,465,822 km (0.112 R)
• M10: 3,121,360 km (0.099 R)
• M11: 4,071,156 km (0.088 R)
• M12: 4,628,708 km (0.076 R)
• M13: 6,914,114 km (0.061 R)
• M14: 7,278,984 km (0.104 R)
• M15: 7,560,826 km (0.117 R)
• M16: 8,096,536 km (0.106 R)
• M17: 9,573,665 km (0.07 R)
• M18: 10,258,225 km (0.05 R)
• M19: 11,533,846 km (0.065 R)
• M20: 11,660,556 km (0.069 R)
• M21: 19,074,925 km (0.106 R)
• M22: 20,804,127 km (0.088 R)
• M23: 23,947,926 km (0.098 R)
• M24: 28,074,883 km (0.114 R)
• M25: 28,189,475 km (0.097 R)
• M26: 30,185,260 km (0.078 R)
• M27: 36,871,238 km (0.095 R)
• M28: 38,260,852 km (0.101 R)
• M29: 47,826,439 km (0.092 R)
• M30: 55,556,760 km (0.071 R)
• M31: 56,099,800 km (0.025 R)
• M32: 56,281,561 km (0.086 R)
• M33: 61,533,195 km (0.082 R)
• M34: 63,682,617 km (0.081 R)
• M35: 64,675,947 km (0.066 R)
• M36: 70,008,213 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.2

Radius: 7

Gravity: 18.33 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.62 AU - 10.86 AU

Year: 17835 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,157,806 km

• M1: 87,216 km (0.098 R)
• M2: 479,162 km (0.085 R)
• M3: 1,380,040 km (0.095 R)
• M4: 2,005,958 km (0.119 R)
• M5: 3,279,485 km (0.079 R)
• M6: 4,729,537 km (0.119 R)
• M7: 4,982,656 km (0.104 R)
• M8: 5,961,774 km (0.073 R)
• M9: 6,430,913 km (0.08 R)
• M10: 7,110,088 km (0.115 R)
• M11: 7,886,201 km (0.115 R)
• M12: 9,434,689 km (0.104 R)
• M13: 12,155,575 km (0.056 R)
• M14: 13,987,700 km (0.042 R)
• M15: 14,510,844 km (0.083 R)
• M16: 14,738,981 km (0.1 R)
• M17: 15,675,613 km (0.063 R)
• M18: 19,358,413 km (0.119 R)
• M19: 22,854,366 km (0.062 R)
• M20: 25,076,642 km (0.11 R)
• M21: 27,905,239 km (0.092 R)
• M22: 31,191,605 km (0.107 R)
• M23: 41,197,458 km (0.114 R)
• M24: 47,752,987 km (0.099 R)
• M25: 48,089,432 km (0.06 R)
• M26: 54,602,924 km (0.094 R)
• M27: 60,101,094 km (0.03 R)
• M28: 65,541,520 km (0.113 R)
• M29: 66,165,642 km (0.104 R)
• M30: 73,741,428 km (0.101 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 15,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit