🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.2

Radius: 14.5

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.69 AU - 0.77 AU

Year: 409 Days

Day: 11.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,970,934 km

• M1: 180,864 km (0.063 R)
• M2: 457,620 km (0.096 R)
• M3: 813,962 km (0.025 R)
• M4: 1,132,157 km (0.108 R)
• M5: 1,531,733 km (0.067 R)
• M6: 1,988,156 km (0.091 R)
• M7: 2,286,753 km (0.094 R)
• M8: 2,638,458 km (0.101 R)
• M9: 3,025,467 km (0.094 R)
• M10: 3,978,406 km (0.092 R)
• M11: 4,577,396 km (0.117 R)
• M12: 5,026,040 km (0.101 R)
• M13: 5,318,803 km (0.112 R)
• M14: 5,631,462 km (0.108 R)
• M15: 6,011,890 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.2

Radius: 10.8

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.4 AU - 2.08 AU

Year: 1506 Days

Day: 14.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,970,934 km

• M1: 142,118 km (0.097 R)
• M2: 355,893 km (0.029 R)
• M3: 729,888 km (0.092 R)
• M4: 956,529 km (0.061 R)
• M5: 1,510,191 km (0.097 R)
• M6: 2,042,460 km (0.116 R)
• M7: 2,445,476 km (0.065 R)
• M8: 2,861,658 km (0.089 R)
• M9: 3,082,614 km (0.04 R)
• M10: 3,782,433 km (0.111 R)
• M11: 4,363,919 km (0.098 R)
• M12: 5,142,726 km (0.095 R)
• M13: 5,894,455 km (0.068 R)
• M14: 6,444,078 km (0.057 R)
• M15: 7,745,729 km (0.098 R)
• M16: 8,046,720 km (0.118 R)
• M17: 9,710,697 km (0.072 R)
• M18: 10,047,891 km (0.052 R)
• M19: 10,390,919 km (0.101 R)
• M20: 10,891,174 km (0.026 R)
• M21: 11,120,208 km (0.076 R)
• M22: 11,559,427 km (0.063 R)
• M23: 12,490,525 km (0.09 R)
• M24: 12,763,391 km (0.028 R)
• M25: 13,769,886 km (0.076 R)
• M26: 14,229,749 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.2

Radius: 13.7

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.72 AU - 2.48 AU

Year: 1996 Days

Day: 14.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,970,934 km

• M1: 170,841 km (0.118 R)
• M2: 617,390 km (0.073 R)
• M3: 933,042 km (0.113 R)
• M4: 1,279,062 km (0.074 R)
• M5: 1,588,580 km (0.103 R)
• M6: 2,003,265 km (0.047 R)
• M7: 2,284,808 km (0.037 R)
• M8: 2,547,652 km (0.115 R)
• M9: 2,812,440 km (0.062 R)
• M10: 4,060,086 km (0.116 R)
• M11: 5,882,936 km (0.104 R)
• M12: 6,330,683 km (0.114 R)
• M13: 7,034,241 km (0.104 R)
• M14: 8,101,921 km (0.119 R)
• M15: 8,458,862 km (0.105 R)
• M16: 8,872,799 km (0.061 R)
• M17: 9,653,850 km (0.119 R)
• M18: 10,043,851 km (0.078 R)
• M19: 11,205,329 km (0.043 R)
• M20: 11,739,095 km (0.103 R)
• M21: 12,696,072 km (0.092 R)
• M22: 13,629,712 km (0.107 R)
• M23: 15,336,175 km (0.107 R)
• M24: 16,093,889 km (0.08 R)
• M25: 16,530,415 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.1

Radius: 12.4

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.73 AU - 2.47 AU

Year: 1996 Days

Day: 8.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 93.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,970,934 km

• M1: 154,834 km (0.07 R)
• M2: 782,397 km (0.071 R)
• M3: 1,477,728 km (0.071 R)
• M4: 1,723,517 km (0.076 R)
• M5: 2,378,307 km (0.11 R)
• M6: 2,845,352 km (0.053 R)
• M7: 3,176,561 km (0.037 R)
• M8: 3,480,095 km (0.108 R)
• M9: 4,460,261 km (0.095 R)
• M10: 4,821,240 km (0.118 R)
• M11: 5,215,879 km (0.119 R)
• M12: 6,865,944 km (0.069 R)
• M13: 8,823,432 km (0.084 R)
• M14: 9,127,116 km (0.056 R)
• M15: 9,618,694 km (0.081 R)
• M16: 10,448,962 km (0.107 R)
• M17: 11,687,184 km (0.093 R)
• M18: 12,066,564 km (0.113 R)
• M19: 13,333,957 km (0.103 R)
• M20: 14,665,378 km (0.073 R)
• M21: 14,991,801 km (0.045 R)
• M22: 15,722,736 km (0.032 R)
• M23: 16,921,913 km (0.109 R)
• M24: 17,237,415 km (0.092 R)
• M25: 17,734,080 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.9

Radius: 10

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.22 AU - 3.02 AU

Year: 2782 Days

Day: 5.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,970,934 km

• M1: 124,765 km (0.056 R)
• M2: 995,275 km (0.077 R)
• M3: 1,296,266 km (0.105 R)
• M4: 1,723,517 km (0.059 R)
• M5: 2,123,392 km (0.117 R)
• M6: 2,776,387 km (0.06 R)
• M7: 3,025,168 km (0.107 R)
• M8: 3,334,985 km (0.1 R)
• M9: 3,556,091 km (0.114 R)
• M10: 3,820,281 km (0.089 R)
• M11: 4,150,294 km (0.11 R)
• M12: 5,944,271 km (0.096 R)
• M13: 6,879,707 km (0.041 R)
• M14: 7,323,265 km (0.102 R)
• M15: 7,550,504 km (0.09 R)
• M16: 7,832,795 km (0.115 R)
• M17: 9,352,111 km (0.094 R)
• M18: 12,568,914 km (0.062 R)
• M19: 12,866,913 km (0.093 R)
• M20: 14,658,198 km (0.077 R)
• M21: 15,088,142 km (0.077 R)
• M22: 16,833,052 km (0.072 R)
• M23: 17,024,387 km (0.1 R)
• M24: 17,565,782 km (0.031 R)
• M25: 18,754,636 km (0.082 R)
• M26: 19,322,809 km (0.087 R)
• M27: 20,065,862 km (0.11 R)
• M28: 20,274,850 km (0.104 R)
• M29: 21,121,424 km (0.066 R)
• M30: 21,335,798 km (0.091 R)
• M31: 21,811,220 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.1

Radius: 12.6

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.1 AU - 3.48 AU

Year: 3057 Days

Day: 12.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,970,934 km

• M1: 160,070 km (0.093 R)
• M2: 490,681 km (0.078 R)
• M3: 735,573 km (0.108 R)
• M4: 1,393,205 km (0.051 R)
• M5: 1,694,345 km (0.059 R)
• M6: 2,351,379 km (0.119 R)
• M7: 2,794,488 km (0.028 R)
• M8: 3,609,797 km (0.096 R)
• M9: 4,087,463 km (0.116 R)
• M10: 4,504,093 km (0.114 R)
• M11: 4,877,788 km (0.034 R)
• M12: 7,035,438 km (0.108 R)
• M13: 8,528,575 km (0.117 R)
• M14: 9,000,855 km (0.073 R)
• M15: 9,486,001 km (0.065 R)
• M16: 9,984,012 km (0.055 R)
• M17: 10,237,880 km (0.05 R)
• M18: 10,755,339 km (0.071 R)
• M19: 11,261,429 km (0.116 R)
• M20: 11,605,354 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.7

Radius: 12.2

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.63 AU - 5.29 AU

Year: 7247 Days

Day: 5.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,970,934 km

• M1: 153,637 km (0.045 R)
• M2: 467,942 km (0.067 R)
• M3: 1,229,694 km (0.108 R)
• M4: 1,530,386 km (0.055 R)
• M5: 2,406,880 km (0.107 R)
• M6: 2,956,503 km (0.114 R)
• M7: 3,341,418 km (0.047 R)
• M8: 3,869,349 km (0.094 R)
• M9: 4,386,658 km (0.045 R)
• M10: 4,750,331 km (0.065 R)
• M11: 5,019,158 km (0.09 R)
• M12: 5,753,983 km (0.109 R)
• M13: 6,323,502 km (0.102 R)
• M14: 7,885,453 km (0.101 R)
• M15: 9,471,789 km (0.118 R)
• M16: 9,699,477 km (0.083 R)
• M17: 11,329,496 km (0.117 R)
• M18: 11,746,574 km (0.092 R)
• M19: 12,257,152 km (0.107 R)
• M20: 14,130,716 km (0.041 R)
• M21: 16,237,951 km (0.092 R)
• M22: 17,346,920 km (0.113 R)
• M23: 17,863,332 km (0.079 R)
• M24: 19,840,118 km (0.095 R)
• M25: 20,336,933 km (0.035 R)
• M26: 24,107,697 km (0.093 R)
• M27: 27,485,766 km (0.118 R)
• M28: 28,005,170 km (0.072 R)
• M29: 28,463,688 km (0.06 R)
• M30: 28,793,401 km (0.038 R)
• M31: 30,131,704 km (0.12 R)
• M32: 31,362,146 km (0.047 R)
• M33: 31,777,879 km (0.086 R)
• M34: 33,396,677 km (0.12 R)
• M35: 36,382,801 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.3

Radius: 3.4

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.89 AU - 7.93 AU

Year: 11916 Days

Day: 24.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,970,934 km

• M1: 78,240 km (0.105 R)
• M2: 228,735 km (0.12 R)
• M3: 366,515 km (0.081 R)
• M4: 496,366 km (0.056 R)
• M5: 997,818 km (0.074 R)
• M6: 2,406,132 km (0.109 R)
• M7: 2,494,544 km (0.073 R)
• M8: 6,272,489 km (0.07 R)
• M9: 6,511,547 km (0.117 R)
• M10: 7,205,082 km (0.087 R)
• M11: 8,503,891 km (0.083 R)
• M12: 11,748,070 km (0.088 R)
• M13: 13,953,741 km (0.082 R)
• M14: 15,704,784 km (0.102 R)
• M15: 16,006,673 km (0.09 R)
• M16: 19,896,816 km (0.04 R)
• M17: 20,493,263 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.4

Radius: 3.2

Gravity: 93.59 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.3 AU - 9.06 AU

Year: 13962 Days

Day: 24 Hours

Environment

Temp: -234 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,970,934 km

• M1: 88,562 km (0.063 R)
• M2: 1,408,464 km (0.118 R)
• M3: 2,690,368 km (0.118 R)
• M4: 2,963,384 km (0.045 R)
• M5: 3,368,196 km (0.087 R)
• M6: 4,991,632 km (0.117 R)
• M7: 6,639,004 km (0.08 R)
• M8: 7,196,705 km (0.088 R)
• M9: 7,641,160 km (0.118 R)
• M10: 8,570,163 km (0.117 R)
• M11: 8,956,724 km (0.111 R)
• M12: 12,763,092 km (0.086 R)
• M13: 13,234,325 km (0.099 R)
• M14: 15,141,100 km (0.089 R)
• M15: 17,516,863 km (0.102 R)
• M16: 19,054,131 km (0.106 R)
• M17: 20,066,161 km (0.103 R)
• M18: 21,330,263 km (0.079 R)
• M19: 27,283,660 km (0.077 R)
• M20: 29,460,608 km (0.108 R)
• M21: 30,354,904 km (0.034 R)
• M22: 34,833,415 km (0.115 R)
• M23: 35,805,203 km (0.045 R)
• M24: 38,597,597 km (0.053 R)
• M25: 43,520,713 km (0.108 R)
• M26: 44,825,057 km (0.062 R)
• M27: 44,934,563 km (0.077 R)
• M28: 50,003,687 km (0.106 R)
• M29: 54,736,963 km (0.086 R)
• M30: 55,831,571 km (0.107 R)
• M31: 56,690,263 km (0.112 R)
• M32: 58,677,970 km (0.055 R)
• M33: 60,572,327 km (0.1 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 17,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit