🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.6

Radius: 10.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.78 AU - 0.8 AU

Year: 476 Days

Day: 14.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,278,277 km

• M1: 133,142 km (0.096 R)
• M2: 468,241 km (0.049 R)
• M3: 1,068,278 km (0.115 R)
• M4: 1,473,090 km (0.1 R)
• M5: 1,950,008 km (0.119 R)
• M6: 2,341,057 km (0.092 R)
• M7: 3,047,757 km (0.102 R)
• M8: 3,451,672 km (0.093 R)
• M9: 4,028,970 km (0.12 R)
• M10: 4,669,698 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.8

Radius: 8.8

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.84 AU - 1.24 AU

Year: 719 Days

Day: 8.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,278,277 km

• M1: 109,506 km (0.055 R)
• M2: 400,623 km (0.064 R)
• M3: 805,884 km (0.054 R)
• M4: 1,351,467 km (0.067 R)
• M5: 1,735,784 km (0.064 R)
• M6: 2,408,526 km (0.094 R)
• M7: 2,704,879 km (0.042 R)
• M8: 2,990,162 km (0.115 R)
• M9: 3,333,489 km (0.06 R)
• M10: 3,898,072 km (0.09 R)
• M11: 4,651,746 km (0.046 R)
• M12: 5,114,452 km (0.086 R)
• M13: 6,190,210 km (0.073 R)
• M14: 7,171,124 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377

Radius: 9.3

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.59 AU - 2.29 AU

Year: 1833 Days

Day: 10.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,278,277 km

• M1: 116,686 km (0.094 R)
• M2: 406,308 km (0.069 R)
• M3: 777,909 km (0.118 R)
• M4: 1,178,083 km (0.043 R)
• M5: 1,470,098 km (0.11 R)
• M6: 1,851,124 km (0.113 R)
• M7: 2,528,054 km (0.107 R)
• M8: 2,952,164 km (0.068 R)
• M9: 3,516,896 km (0.094 R)
• M10: 4,349,708 km (0.083 R)
• M11: 5,477,526 km (0.09 R)
• M12: 5,804,397 km (0.113 R)
• M13: 6,354,618 km (0.055 R)
• M14: 7,244,576 km (0.104 R)
• M15: 7,692,771 km (0.103 R)
• M16: 8,215,466 km (0.045 R)
• M17: 9,548,084 km (0.11 R)
• M18: 10,217,086 km (0.114 R)
• M19: 10,747,410 km (0.104 R)
• M20: 11,899,314 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.8

Radius: 12.7

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.86 AU - 3.84 AU

Year: 4159 Days

Day: 14 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,278,277 km

• M1: 157,975 km (0.066 R)
• M2: 566,078 km (0.093 R)
• M3: 1,031,328 km (0.102 R)
• M4: 1,696,290 km (0.099 R)
• M5: 2,165,280 km (0.076 R)
• M6: 3,509,566 km (0.071 R)
• M7: 4,383,218 km (0.087 R)
• M8: 4,806,131 km (0.098 R)
• M9: 5,302,945 km (0.06 R)
• M10: 5,784,351 km (0.095 R)
• M11: 6,242,270 km (0.079 R)
• M12: 7,703,692 km (0.078 R)
• M13: 8,677,275 km (0.027 R)
• M14: 9,109,314 km (0.099 R)
• M15: 12,632,493 km (0.084 R)
• M16: 13,450,494 km (0.078 R)
• M17: 16,517,998 km (0.108 R)
• M18: 17,496,219 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.4

Radius: 8.3

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.91 AU - 4.85 AU

Year: 6217 Days

Day: 14.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,278,277 km

• M1: 104,419 km (0.05 R)
• M2: 363,822 km (0.117 R)
• M3: 654,491 km (0.082 R)
• M4: 1,004,998 km (0.067 R)
• M5: 2,315,625 km (0.103 R)
• M6: 2,782,072 km (0.115 R)
• M7: 3,126,895 km (0.098 R)
• M8: 3,414,721 km (0.112 R)
• M9: 3,810,856 km (0.112 R)
• M10: 4,115,737 km (0.09 R)
• M11: 4,801,493 km (0.064 R)
• M12: 5,892,959 km (0.071 R)
• M13: 6,301,810 km (0.065 R)
• M14: 6,696,001 km (0.104 R)
• M15: 7,282,424 km (0.118 R)
• M16: 7,902,657 km (0.097 R)
• M17: 9,416,139 km (0.111 R)
• M18: 11,255,744 km (0.119 R)
• M19: 11,640,958 km (0.076 R)
• M20: 12,693,679 km (0.118 R)
• M21: 19,471,060 km (0.073 R)
• M22: 20,951,182 km (0.104 R)
• M23: 22,353,662 km (0.092 R)
• M24: 23,426,428 km (0.12 R)
• M25: 28,149,981 km (0.116 R)
• M26: 30,315,859 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.2

Radius: 12.5

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.08 AU - 6.28 AU

Year: 7996 Days

Day: 9.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,278,277 km

• M1: 155,432 km (0.112 R)
• M2: 618,886 km (0.058 R)
• M3: 1,649,466 km (0.105 R)
• M4: 2,371,575 km (0.113 R)
• M5: 2,806,606 km (0.102 R)
• M6: 3,399,612 km (0.032 R)
• M7: 4,003,688 km (0.109 R)
• M8: 4,652,195 km (0.109 R)
• M9: 5,604,834 km (0.051 R)
• M10: 6,320,061 km (0.075 R)
• M11: 6,990,858 km (0.098 R)
• M12: 7,971,173 km (0.114 R)
• M13: 9,589,074 km (0.057 R)
• M14: 11,319,772 km (0.074 R)
• M15: 11,907,243 km (0.039 R)
• M16: 12,361,122 km (0.106 R)
• M17: 12,826,521 km (0.036 R)
• M18: 13,303,589 km (0.102 R)
• M19: 15,096,669 km (0.043 R)
• M20: 15,569,099 km (0.063 R)
• M21: 16,296,294 km (0.064 R)
• M22: 17,045,929 km (0.067 R)
• M23: 22,798,267 km (0.1 R)
• M24: 23,577,971 km (0.086 R)
• M25: 26,790,286 km (0.051 R)
• M26: 27,834,778 km (0.06 R)
• M27: 29,727,490 km (0.112 R)
• M28: 32,187,927 km (0.118 R)
• M29: 33,268,622 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 802.3

Radius: 6.4

Gravity: 19.59 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.27 AU - 9.17 AU

Year: 15984 Days

Day: 20.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,278,277 km

• M1: 80,184 km (0.067 R)
• M2: 303,235 km (0.078 R)
• M3: 567,874 km (0.117 R)
• M4: 814,261 km (0.03 R)
• M5: 1,094,159 km (0.049 R)
• M6: 1,468,004 km (0.072 R)
• M7: 1,797,418 km (0.107 R)
• M8: 2,650,276 km (0.06 R)
• M9: 3,407,092 km (0.08 R)
• M10: 3,776,449 km (0.098 R)
• M11: 4,203,850 km (0.106 R)
• M12: 4,495,266 km (0.06 R)
• M13: 4,696,924 km (0.082 R)
• M14: 5,565,190 km (0.077 R)
• M15: 7,061,468 km (0.08 R)
• M16: 7,288,558 km (0.088 R)
• M17: 8,703,903 km (0.085 R)
• M18: 9,285,689 km (0.053 R)
• M19: 10,526,753 km (0.104 R)
• M20: 13,059,745 km (0.052 R)
• M21: 13,751,186 km (0.067 R)
• M22: 16,050,056 km (0.118 R)
• M23: 16,762,741 km (0.031 R)
• M24: 17,829,074 km (0.055 R)
• M25: 18,250,940 km (0.116 R)
• M26: 20,005,574 km (0.098 R)
• M27: 22,843,595 km (0.046 R)
• M28: 25,087,862 km (0.102 R)
• M29: 26,590,124 km (0.105 R)
• M30: 30,366,423 km (0.119 R)
• M31: 34,225,898 km (0.073 R)
• M32: 34,615,900 km (0.108 R)
• M33: 35,937,298 km (0.087 R)
• M34: 47,257,818 km (0.118 R)
• M35: 56,294,876 km (0.103 R)
• M36: 65,016,581 km (0.084 R)
• M37: 67,227,937 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.6

Radius: 3.9

Gravity: 46.52 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.86 AU - 8.82 AU

Year: 16336 Days

Day: 21.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,278,277 km

• M1: 49,068 km (0.067 R)
• M2: 176,525 km (0.072 R)
• M3: 480,658 km (0.096 R)
• M4: 627,114 km (0.088 R)
• M5: 1,228,947 km (0.057 R)
• M6: 2,977,596 km (0.119 R)
• M7: 3,208,126 km (0.062 R)
• M8: 4,918,479 km (0.108 R)
• M9: 5,653,304 km (0.055 R)
• M10: 7,110,686 km (0.074 R)
• M11: 11,906,195 km (0.082 R)
• M12: 13,701,968 km (0.076 R)
• M13: 14,124,283 km (0.114 R)
• M14: 15,442,988 km (0.115 R)
• M15: 17,736,772 km (0.091 R)
• M16: 18,070,076 km (0.117 R)
• M17: 20,067,507 km (0.076 R)
• M18: 20,338,429 km (0.117 R)
• M19: 20,980,054 km (0.053 R)
• M20: 21,824,684 km (0.113 R)
• M21: 22,015,421 km (0.105 R)
• M22: 28,043,168 km (0.12 R)
• M23: 31,919,548 km (0.069 R)
• M24: 37,078,580 km (0.088 R)
• M25: 56,545,901 km (0.086 R)
• M26: 57,267,112 km (0.043 R)
• M27: 64,819,860 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.4

Radius: 5.2

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.98 AU - 10.02 AU

Year: 16808 Days

Day: 16.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,278,277 km

• M1: 64,626 km (0.072 R)
• M2: 268,079 km (0.098 R)
• M3: 575,653 km (0.044 R)
• M4: 1,086,679 km (0.068 R)
• M5: 2,189,066 km (0.056 R)
• M6: 2,386,984 km (0.06 R)
• M7: 3,142,303 km (0.117 R)
• M8: 3,611,442 km (0.1 R)
• M9: 4,207,141 km (0.112 R)
• M10: 6,605,644 km (0.1 R)
• M11: 6,792,192 km (0.066 R)
• M12: 7,372,931 km (0.055 R)
• M13: 10,781,967 km (0.08 R)
• M14: 11,250,807 km (0.101 R)
• M15: 13,204,406 km (0.112 R)
• M16: 19,470,612 km (0.113 R)
• M17: 21,278,951 km (0.079 R)
• M18: 43,752,590 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.1

Radius: 7.5

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.92 AU - 11.04 AU

Year: 18252 Days

Day: 24.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,278,277 km

• M1: 95,294 km (0.109 R)
• M2: 552,166 km (0.044 R)
• M3: 830,418 km (0.088 R)
• M4: 1,429,258 km (0.094 R)
• M5: 1,822,850 km (0.113 R)
• M6: 5,073,462 km (0.085 R)
• M7: 5,367,721 km (0.113 R)
• M8: 6,236,436 km (0.05 R)
• M9: 7,380,112 km (0.081 R)
• M10: 8,919,175 km (0.055 R)
• M11: 10,901,047 km (0.094 R)
• M12: 13,228,341 km (0.09 R)
• M13: 20,547,567 km (0.116 R)
• M14: 25,107,310 km (0.064 R)
• M15: 30,418,932 km (0.039 R)
• M16: 57,462,487 km (0.109 R)
• M17: 58,387,750 km (0.117 R)
• M18: 59,135,141 km (0.12 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 15,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit