🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.7

Radius: 8

Gravity: 13.37 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.63 AU - 0.97 AU

Year: 469 Days

Day: 9.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,521,375 km

• M1: 99,632 km (0.092 R)
• M2: 408,253 km (0.108 R)
• M3: 702,512 km (0.075 R)
• M4: 951,742 km (0.119 R)
• M5: 1,325,138 km (0.115 R)
• M6: 1,875,359 km (0.11 R)
• M7: 2,438,296 km (0.063 R)
• M8: 2,737,940 km (0.105 R)
• M9: 3,500,590 km (0.065 R)
• M10: 4,733,576 km (0.097 R)
• M11: 5,152,599 km (0.1 R)
• M12: 5,773,580 km (0.112 R)
• M13: 6,046,596 km (0.074 R)
• M14: 6,520,971 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.3

Radius: 9.8

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.79 AU - 1.17 AU

Year: 636 Days

Day: 7.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,521,375 km

• M1: 121,922 km (0.106 R)
• M2: 496,216 km (0.068 R)
• M3: 882,927 km (0.099 R)
• M4: 1,525,001 km (0.041 R)
• M5: 2,236,189 km (0.078 R)
• M6: 2,696,352 km (0.12 R)
• M7: 4,243,643 km (0.109 R)
• M8: 5,235,177 km (0.11 R)
• M9: 6,817,025 km (0.104 R)
• M10: 7,235,451 km (0.094 R)
• M11: 8,002,738 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.6

Radius: 10.3

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.93 AU - 1.15 AU

Year: 696 Days

Day: 14.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,521,375 km

• M1: 128,056 km (0.083 R)
• M2: 571,913 km (0.03 R)
• M3: 1,355,357 km (0.116 R)
• M4: 2,426,627 km (0.117 R)
• M5: 3,195,111 km (0.068 R)
• M6: 3,535,746 km (0.102 R)
• M7: 3,963,745 km (0.118 R)
• M8: 4,303,931 km (0.07 R)
• M9: 4,851,010 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.5

Radius: 11.9

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.94 AU - 1.28 AU

Year: 767 Days

Day: 14.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,521,375 km

• M1: 150,495 km (0.04 R)
• M2: 683,363 km (0.07 R)
• M3: 1,058,405 km (0.068 R)
• M4: 1,584,541 km (0.109 R)
• M5: 2,050,837 km (0.094 R)
• M6: 2,675,109 km (0.059 R)
• M7: 3,150,681 km (0.093 R)
• M8: 3,668,589 km (0.054 R)
• M9: 4,120,225 km (0.074 R)
• M10: 4,511,573 km (0.082 R)
• M11: 5,703,718 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298

Radius: 10.1

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.45 AU - 1.75 AU

Year: 1328 Days

Day: 14.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,521,375 km

• M1: 126,410 km (0.113 R)
• M2: 466,895 km (0.075 R)
• M3: 1,189,602 km (0.084 R)
• M4: 2,140,147 km (0.085 R)
• M5: 3,563,421 km (0.064 R)
• M6: 4,366,911 km (0.112 R)
• M7: 5,419,931 km (0.106 R)
• M8: 7,773,704 km (0.118 R)
• M9: 8,454,823 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17

Radius: 11.8

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.44 AU - 2.2 AU

Year: 1611 Days

Day: 10.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 69,521,375 km

• M1: 147,055 km (0.058 R)
• M2: 1,441,226 km (0.059 R)
• M3: 2,538,377 km (0.077 R)
• M4: 3,255,549 km (0.079 R)
• M5: 3,767,922 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.8

Radius: 10.2

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.23 AU - 2.45 AU

Year: 2348 Days

Day: 10.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,521,375 km

• M1: 167,250 km (0.094 R)
• M2: 555,906 km (0.098 R)
• M3: 955,930 km (0.119 R)
• M4: 1,342,940 km (0.118 R)
• M5: 1,720,824 km (0.049 R)
• M6: 2,804,810 km (0.099 R)
• M7: 3,377,022 km (0.115 R)
• M8: 3,964,942 km (0.067 R)
• M9: 4,961,713 km (0.064 R)
• M10: 6,010,543 km (0.06 R)
• M11: 7,662,253 km (0.061 R)
• M12: 10,424,728 km (0.116 R)
• M13: 13,884,777 km (0.115 R)
• M14: 17,710,742 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.9

Radius: 7.7

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.12 AU - 9 AU

Year: 13636 Days

Day: 20.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,521,375 km

• M1: 95,743 km (0.108 R)
• M2: 622,028 km (0.106 R)
• M3: 2,057,270 km (0.114 R)
• M4: 2,485,419 km (0.081 R)
• M5: 2,795,984 km (0.092 R)
• M6: 3,298,184 km (0.086 R)
• M7: 3,832,249 km (0.093 R)
• M8: 7,156,014 km (0.052 R)
• M9: 7,404,197 km (0.076 R)
• M10: 7,874,084 km (0.113 R)
• M11: 9,016,264 km (0.077 R)
• M12: 9,802,999 km (0.091 R)
• M13: 16,422,405 km (0.101 R)
• M14: 19,213,603 km (0.099 R)
• M15: 21,184,106 km (0.096 R)
• M16: 22,482,017 km (0.104 R)
• M17: 26,495,279 km (0.109 R)
• M18: 31,622,148 km (0.039 R)
• M19: 38,880,935 km (0.032 R)
• M20: 39,649,719 km (0.106 R)
• M21: 41,350,347 km (0.104 R)
• M22: 43,922,384 km (0.069 R)
• M23: 46,026,777 km (0.094 R)
• M24: 47,758,073 km (0.082 R)
• M25: 48,197,592 km (0.094 R)
• M26: 50,133,238 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.8

Radius: 6.3

Gravity: 17 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 8.49 AU - 11.73 AU

Year: 21088 Days

Day: 15.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 84.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,521,375 km

• M1: 79,736 km (0.119 R)
• M2: 327,171 km (0.118 R)
• M3: 1,175,091 km (0.027 R)
• M4: 1,455,438 km (0.114 R)
• M5: 1,761,814 km (0.062 R)
• M6: 2,743,326 km (0.068 R)
• M7: 3,495,653 km (0.078 R)
• M8: 3,951,329 km (0.073 R)
• M9: 4,210,133 km (0.108 R)
• M10: 7,170,675 km (0.079 R)
• M11: 8,109,701 km (0.104 R)
• M12: 8,422,659 km (0.037 R)
• M13: 9,931,204 km (0.116 R)
• M14: 12,279,442 km (0.111 R)
• M15: 13,618,343 km (0.085 R)
• M16: 15,365,796 km (0.101 R)
• M17: 16,499,748 km (0.102 R)
• M18: 23,433,459 km (0.11 R)
• M19: 23,855,475 km (0.114 R)
• M20: 24,932,879 km (0.115 R)
• M21: 27,184,177 km (0.049 R)
• M22: 28,598,176 km (0.055 R)
• M23: 31,316,519 km (0.117 R)
• M24: 35,294,177 km (0.111 R)
• M25: 36,409,130 km (0.078 R)
• M26: 37,980,207 km (0.11 R)
• M27: 45,529,962 km (0.03 R)
• M28: 46,187,146 km (0.102 R)
• M29: 49,050,599 km (0.048 R)
• M30: 49,914,826 km (0.053 R)
• M31: 51,141,678 km (0.117 R)
• M32: 51,495,925 km (0.119 R)
• M33: 52,209,208 km (0.076 R)
• M34: 56,062,400 km (0.098 R)
• M35: 57,006,961 km (0.1 R)
• M36: 64,948,963 km (0.086 R)
• M37: 67,468,041 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.3

Radius: 4.1

Gravity: 26.91 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 8.59 AU - 11.89 AU

Year: 21496 Days

Day: 21.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,521,375 km

• M1: 51,013 km (0.1 R)
• M2: 180,265 km (0.082 R)
• M3: 449,392 km (0.104 R)
• M4: 658,231 km (0.118 R)
• M5: 1,852,620 km (0.062 R)
• M6: 2,022,114 km (0.049 R)
• M7: 2,222,276 km (0.085 R)
• M8: 3,159,058 km (0.118 R)
• M9: 4,804,036 km (0.096 R)
• M10: 5,651,808 km (0.051 R)
• M11: 5,888,471 km (0.12 R)
• M12: 6,131,568 km (0.106 R)
• M13: 7,781,932 km (0.089 R)
• M14: 8,324,673 km (0.099 R)
• M15: 13,257,962 km (0.101 R)
• M16: 15,282,769 km (0.088 R)
• M17: 15,897,167 km (0.106 R)
• M18: 16,368,550 km (0.052 R)
• M19: 19,394,616 km (0.073 R)
• M20: 22,477,978 km (0.048 R)
• M21: 22,773,583 km (0.106 R)
• M22: 25,657,830 km (0.081 R)
• M23: 26,744,359 km (0.114 R)
• M24: 32,765,374 km (0.075 R)
• M25: 34,043,090 km (0.039 R)
• M26: 37,658,272 km (0.07 R)
• M27: 43,471,795 km (0.105 R)
• M28: 44,857,520 km (0.079 R)
• M29: 45,955,419 km (0.12 R)
• M30: 49,356,377 km (0.117 R)
• M31: 54,677,723 km (0.114 R)
• M32: 62,673,579 km (0.052 R)
• M33: 63,847,773 km (0.042 R)
• M34: 66,038,334 km (0.106 R)
• M35: 69,313,181 km (0.051 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 14,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit