🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.9

Radius: 14.4

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.41 AU - 0.63 AU

Year: 264 Days

Day: 9.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,095,309 km

• M1: 184,005 km (0.12 R)
• M2: 743,501 km (0.081 R)
• M3: 1,374,655 km (0.067 R)
• M4: 1,971,102 km (0.09 R)
• M5: 2,451,012 km (0.096 R)
• M6: 2,940,197 km (0.079 R)
• M7: 3,607,553 km (0.056 R)
• M8: 4,413,586 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.7

Radius: 11.9

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.74 AU - 1.18 AU

Year: 661 Days

Day: 9.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,095,309 km

• M1: 148,102 km (0.118 R)
• M2: 571,015 km (0.109 R)
• M3: 962,214 km (0.058 R)
• M4: 1,394,402 km (0.104 R)
• M5: 2,524,763 km (0.114 R)
• M6: 2,974,305 km (0.094 R)
• M7: 3,477,403 km (0.066 R)
• M8: 4,572,758 km (0.071 R)
• M9: 5,559,356 km (0.107 R)
• M10: 8,516,756 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.4

Radius: 11.5

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.33 AU - 2.15 AU

Year: 1613 Days

Day: 6.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,095,309 km

• M1: 143,016 km (0.107 R)
• M2: 748,887 km (0.066 R)
• M3: 1,450,202 km (0.11 R)
• M4: 2,222,576 km (0.098 R)
• M5: 3,343,512 km (0.074 R)
• M6: 3,746,529 km (0.103 R)
• M7: 4,200,110 km (0.046 R)
• M8: 5,010,631 km (0.115 R)
• M9: 6,614,320 km (0.084 R)
• M10: 7,683,646 km (0.076 R)
• M11: 8,955,677 km (0.049 R)
• M12: 9,674,046 km (0.097 R)
• M13: 10,363,243 km (0.11 R)
• M14: 11,190,519 km (0.045 R)
• M15: 11,729,670 km (0.036 R)
• M16: 12,437,268 km (0.092 R)
• M17: 12,821,136 km (0.104 R)

Asteroid Belt

Center: 2.13 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.6

Radius: 13.1

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.89 AU - 3.13 AU

Year: 2795 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,095,309 km

• M1: 168,298 km (0.115 R)
• M2: 750,233 km (0.052 R)
• M3: 1,543,401 km (0.114 R)
• M4: 2,002,517 km (0.062 R)
• M5: 2,630,828 km (0.112 R)
• M6: 3,643,905 km (0.047 R)
• M7: 4,664,611 km (0.116 R)
• M8: 6,777,831 km (0.071 R)
• M9: 7,400,008 km (0.071 R)
• M10: 8,060,034 km (0.098 R)
• M11: 9,403,423 km (0.073 R)
• M12: 9,915,496 km (0.111 R)
• M13: 10,345,142 km (0.068 R)
• M14: 13,230,585 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.8

Radius: 13.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.74 AU - 2.88 AU

Year: 3311 Days

Day: 7.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,095,309 km

• M1: 163,361 km (0.062 R)
• M2: 2,495,592 km (0.055 R)
• M3: 3,953,423 km (0.098 R)
• M4: 4,801,344 km (0.12 R)
• M5: 5,304,441 km (0.116 R)
• M6: 5,842,694 km (0.042 R)
• M7: 9,205,206 km (0.083 R)
• M8: 11,079,517 km (0.092 R)
• M9: 11,555,239 km (0.095 R)
• M10: 12,890,849 km (0.038 R)
• M11: 13,731,289 km (0.033 R)
• M12: 16,936,723 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.2

Radius: 14.5

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.57 AU - 3.17 AU

Year: 3418 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,095,309 km

• M1: 185,651 km (0.086 R)
• M2: 703,260 km (0.09 R)
• M3: 1,241,363 km (0.094 R)
• M4: 1,908,121 km (0.099 R)
• M5: 2,586,098 km (0.114 R)
• M6: 3,060,623 km (0.059 R)
• M7: 3,791,708 km (0.057 R)
• M8: 4,945,706 km (0.105 R)
• M9: 5,631,462 km (0.098 R)
• M10: 6,976,796 km (0.057 R)
• M11: 7,513,254 km (0.041 R)
• M12: 8,145,155 km (0.1 R)
• M13: 10,703,129 km (0.066 R)
• M14: 11,375,572 km (0.063 R)
• M15: 12,391,341 km (0.11 R)
• M16: 14,351,223 km (0.039 R)
• M17: 14,910,569 km (0.116 R)
• M18: 18,162,977 km (0.059 R)
• M19: 18,999,229 km (0.102 R)
• M20: 23,431,365 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.3

Radius: 9.7

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.82 AU - 5.78 AU

Year: 8577 Days

Day: 9.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,095,309 km

• M1: 121,174 km (0.119 R)
• M2: 549,323 km (0.1 R)
• M3: 902,374 km (0.118 R)
• M4: 1,708,258 km (0.049 R)
• M5: 2,133,565 km (0.119 R)
• M6: 3,198,851 km (0.06 R)
• M7: 3,501,787 km (0.082 R)
• M8: 3,927,094 km (0.106 R)
• M9: 6,410,418 km (0.078 R)
• M10: 6,780,972 km (0.058 R)
• M11: 7,770,562 km (0.068 R)
• M12: 8,673,984 km (0.096 R)
• M13: 9,790,283 km (0.104 R)
• M14: 10,433,703 km (0.044 R)
• M15: 13,055,556 km (0.107 R)
• M16: 14,518,623 km (0.115 R)
• M17: 18,649,619 km (0.101 R)
• M18: 20,660,812 km (0.075 R)
• M19: 21,226,143 km (0.078 R)
• M20: 21,801,646 km (0.107 R)
• M21: 22,812,478 km (0.106 R)
• M22: 28,241,535 km (0.081 R)
• M23: 29,850,011 km (0.098 R)
• M24: 31,731,504 km (0.118 R)
• M25: 32,919,460 km (0.092 R)
• M26: 33,248,576 km (0.12 R)
• M27: 39,184,619 km (0.094 R)
• M28: 39,678,142 km (0.102 R)
• M29: 40,300,619 km (0.104 R)
• M30: 42,987,098 km (0.05 R)
• M31: 44,440,740 km (0.106 R)
• M32: 44,977,348 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.8

Radius: 6.9

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.09 AU - 6.39 AU

Year: 9667 Days

Day: 20.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,095,309 km

• M1: 85,869 km (0.103 R)
• M2: 1,395,748 km (0.089 R)
• M3: 1,741,170 km (0.113 R)
• M4: 2,534,487 km (0.112 R)
• M5: 3,293,098 km (0.06 R)
• M6: 4,121,122 km (0.057 R)
• M7: 5,249,539 km (0.117 R)
• M8: 8,927,103 km (0.09 R)
• M9: 16,053,198 km (0.104 R)
• M10: 18,259,168 km (0.061 R)
• M11: 19,195,651 km (0.104 R)
• M12: 24,522,233 km (0.085 R)
• M13: 28,131,730 km (0.107 R)
• M14: 29,742,450 km (0.11 R)
• M15: 31,698,293 km (0.11 R)
• M16: 31,984,474 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.8

Radius: 3.4

Gravity: 22.3 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.06 AU - 6.94 AU

Year: 10331 Days

Day: 19.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,095,309 km

• M1: 42,635 km (0.044 R)
• M2: 518,506 km (0.067 R)
• M3: 729,888 km (0.079 R)
• M4: 939,923 km (0.093 R)
• M5: 1,146,368 km (0.075 R)
• M6: 1,530,985 km (0.113 R)
• M7: 1,649,466 km (0.101 R)
• M8: 2,235,890 km (0.072 R)
• M9: 2,696,950 km (0.107 R)
• M10: 3,155,019 km (0.072 R)
• M11: 6,081,004 km (0.1 R)
• M12: 6,312,432 km (0.083 R)
• M13: 6,653,066 km (0.11 R)
• M14: 8,917,080 km (0.103 R)
• M15: 9,258,911 km (0.08 R)
• M16: 9,743,160 km (0.118 R)
• M17: 10,244,013 km (0.079 R)
• M18: 11,951,823 km (0.099 R)
• M19: 12,314,747 km (0.107 R)
• M20: 13,954,041 km (0.107 R)
• M21: 14,182,925 km (0.105 R)
• M22: 18,814,775 km (0.043 R)
• M23: 19,235,145 km (0.111 R)
• M24: 19,877,219 km (0.083 R)
• M25: 22,983,768 km (0.066 R)
• M26: 23,787,707 km (0.115 R)
• M27: 26,398,938 km (0.097 R)
• M28: 29,194,772 km (0.078 R)
• M29: 29,757,859 km (0.057 R)
• M30: 30,519,761 km (0.097 R)
• M31: 33,288,817 km (0.065 R)
• M32: 33,492,719 km (0.072 R)
• M33: 34,629,514 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.7

Radius: 7.9

Gravity: 14.61 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.06 AU - 7.66 AU

Year: 14035 Days

Day: 21.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 66,095,309 km

• M1: 98,286 km (0.109 R)
• M2: 400,174 km (0.058 R)
• M3: 987,944 km (0.113 R)
• M4: 1,354,459 km (0.034 R)
• M5: 1,916,050 km (0.06 R)
• M6: 2,952,164 km (0.106 R)
• M7: 3,441,200 km (0.115 R)
• M8: 5,643,879 km (0.073 R)
• M9: 6,480,281 km (0.101 R)
• M10: 7,306,210 km (0.085 R)
• M11: 8,151,438 km (0.106 R)
• M12: 9,008,185 km (0.093 R)
• M13: 9,485,403 km (0.102 R)
• M14: 9,868,224 km (0.099 R)
• M15: 10,899,850 km (0.036 R)
• M16: 12,384,909 km (0.03 R)
• M17: 13,930,255 km (0.11 R)
• M18: 14,785,506 km (0.1 R)
• M19: 16,600,577 km (0.119 R)
• M20: 19,770,555 km (0.099 R)
• M21: 20,576,439 km (0.098 R)
• M22: 22,541,706 km (0.072 R)
• M23: 22,832,375 km (0.083 R)
• M24: 25,248,231 km (0.102 R)
• M25: 28,388,590 km (0.036 R)
• M26: 29,298,743 km (0.081 R)
• M27: 31,417,348 km (0.079 R)
• M28: 32,023,369 km (0.12 R)
• M29: 32,390,931 km (0.111 R)
• M30: 32,637,319 km (0.085 R)
• M31: 33,009,518 km (0.079 R)
• M32: 44,159,646 km (0.057 R)
• M33: 61,834,634 km (0.114 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 14,689 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit