🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.53 AU - 0.73 AU

Year: 328 Days

Day: 39.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.7

Radius: 13.4

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.78 AU - 0.8 AU

Year: 461 Days

Day: 7.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,264,172 km

• M1: 166,652 km (0.111 R)
• M2: 698,772 km (0.091 R)
• M3: 1,164,320 km (0.094 R)
• M4: 1,586,336 km (0.119 R)
• M5: 2,113,070 km (0.112 R)
• M6: 3,090,393 km (0.114 R)
• M7: 3,643,307 km (0.116 R)
• M8: 4,161,364 km (0.065 R)
• M9: 5,312,819 km (0.115 R)
• M10: 6,568,394 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.3

Radius: 14.6

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.24 AU - 1.36 AU

Year: 972 Days

Day: 12.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,264,172 km

• M1: 181,612 km (0.095 R)
• M2: 796,459 km (0.098 R)
• M3: 1,304,194 km (0.107 R)
• M4: 1,828,834 km (0.088 R)
• M5: 3,349,945 km (0.074 R)
• M6: 3,877,128 km (0.09 R)
• M7: 4,408,799 km (0.102 R)
• M8: 5,137,640 km (0.053 R)
• M9: 5,600,795 km (0.099 R)
• M10: 6,070,981 km (0.079 R)
• M11: 6,589,637 km (0.054 R)
• M12: 7,114,576 km (0.093 R)
• M13: 7,741,540 km (0.104 R)
• M14: 9,788,488 km (0.077 R)

Asteroid Belt

Center: 2.76 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.5

Radius: 11.3

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.42 AU - 5 AU

Year: 5667 Days

Day: 10.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,264,172 km

• M1: 140,472 km (0.094 R)
• M2: 549,922 km (0.05 R)
• M3: 940,223 km (0.1 R)
• M4: 3,646,598 km (0.03 R)
• M5: 8,811,614 km (0.069 R)
• M6: 11,662,800 km (0.084 R)
• M7: 12,094,240 km (0.116 R)
• M8: 13,193,934 km (0.106 R)
• M9: 15,764,923 km (0.107 R)
• M10: 18,848,584 km (0.11 R)
• M11: 19,376,814 km (0.103 R)
• M12: 20,810,410 km (0.116 R)
• M13: 21,876,893 km (0.093 R)
• M14: 24,273,302 km (0.072 R)
• M15: 28,792,653 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.8

Radius: 5.5

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.51 AU - 8.13 AU

Year: 14346 Days

Day: 18.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,264,172 km

• M1: 68,516 km (0.087 R)
• M2: 261,347 km (0.084 R)
• M3: 1,043,296 km (0.048 R)
• M4: 1,283,400 km (0.102 R)
• M5: 1,803,702 km (0.076 R)
• M6: 2,233,197 km (0.076 R)
• M7: 3,229,668 km (0.117 R)
• M8: 3,491,166 km (0.119 R)
• M9: 4,492,723 km (0.093 R)
• M10: 5,518,815 km (0.079 R)
• M11: 6,692,560 km (0.114 R)
• M12: 7,524,175 km (0.084 R)
• M13: 11,099,863 km (0.118 R)
• M14: 12,105,161 km (0.065 R)
• M15: 12,951,884 km (0.075 R)
• M16: 16,164,499 km (0.105 R)
• M17: 17,652,399 km (0.108 R)
• M18: 23,861,608 km (0.115 R)
• M19: 28,446,783 km (0.089 R)
• M20: 31,285,851 km (0.091 R)
• M21: 35,463,372 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.3

Radius: 4.4

Gravity: 43.15 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.97 AU - 8.17 AU

Year: 15039 Days

Day: 17.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,264,172 km

• M1: 54,902 km (0.111 R)
• M2: 427,102 km (0.082 R)
• M3: 994,826 km (0.098 R)
• M4: 1,155,344 km (0.102 R)
• M5: 1,304,643 km (0.119 R)
• M6: 2,381,748 km (0.098 R)
• M7: 3,456,758 km (0.063 R)
• M8: 4,008,325 km (0.092 R)
• M9: 4,616,441 km (0.111 R)
• M10: 4,890,055 km (0.104 R)
• M11: 6,093,869 km (0.101 R)
• M12: 6,298,370 km (0.096 R)
• M13: 8,250,472 km (0.099 R)
• M14: 8,450,335 km (0.069 R)
• M15: 8,911,994 km (0.075 R)
• M16: 9,997,626 km (0.085 R)
• M17: 12,362,768 km (0.105 R)
• M18: 12,756,958 km (0.116 R)
• M19: 14,131,464 km (0.047 R)
• M20: 15,450,318 km (0.1 R)
• M21: 19,628,886 km (0.103 R)
• M22: 19,985,378 km (0.099 R)
• M23: 20,436,864 km (0.115 R)
• M24: 24,399,862 km (0.078 R)
• M25: 25,438,669 km (0.1 R)
• M26: 36,280,476 km (0.069 R)
• M27: 38,320,243 km (0.049 R)
• M28: 41,157,067 km (0.084 R)
• M29: 44,588,842 km (0.049 R)
• M30: 50,668,350 km (0.119 R)
• M31: 53,905,349 km (0.12 R)
• M32: 54,428,792 km (0.108 R)
• M33: 55,485,701 km (0.116 R)
• M34: 60,411,360 km (0.107 R)
• M35: 65,422,590 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.7

Radius: 4.2

Gravity: 41.08 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.51 AU - 10.05 AU

Year: 20064 Days

Day: 15.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,264,172 km

• M1: 54,005 km (0.103 R)
• M2: 186,399 km (0.096 R)
• M3: 324,927 km (0.063 R)
• M4: 468,391 km (0.086 R)
• M5: 701,764 km (0.119 R)
• M6: 1,009,337 km (0.108 R)
• M7: 1,194,090 km (0.081 R)
• M8: 1,580,502 km (0.048 R)
• M9: 3,130,934 km (0.076 R)
• M10: 4,081,628 km (0.097 R)
• M11: 5,248,492 km (0.04 R)
• M12: 5,521,807 km (0.063 R)
• M13: 8,165,052 km (0.113 R)
• M14: 9,874,656 km (0.028 R)
• M15: 10,534,682 km (0.057 R)
• M16: 10,719,585 km (0.066 R)
• M17: 11,096,123 km (0.116 R)
• M18: 15,280,076 km (0.048 R)
• M19: 18,112,861 km (0.119 R)
• M20: 21,473,877 km (0.093 R)
• M21: 23,404,736 km (0.071 R)
• M22: 25,337,840 km (0.1 R)
• M23: 25,781,547 km (0.072 R)
• M24: 26,798,514 km (0.057 R)
• M25: 34,677,235 km (0.088 R)
• M26: 37,755,361 km (0.056 R)
• M27: 39,360,546 km (0.063 R)
• M28: 45,255,301 km (0.038 R)
• M29: 47,399,637 km (0.114 R)
• M30: 51,181,172 km (0.109 R)
• M31: 52,604,595 km (0.092 R)
• M32: 55,716,680 km (0.088 R)
• M33: 64,748,352 km (0.091 R)
• M34: 66,622,365 km (0.095 R)
• M35: 68,746,804 km (0.08 R)
• M36: 75,847,916 km (0.089 R)
• M37: 76,307,181 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578

Radius: 7.1

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.92 AU - 12.24 AU

Year: 20994 Days

Day: 24.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,264,172 km

• M1: 89,759 km (0.117 R)
• M2: 369,956 km (0.045 R)
• M3: 718,070 km (0.111 R)
• M4: 1,532,181 km (0.115 R)
• M5: 1,860,250 km (0.094 R)
• M6: 3,577,932 km (0.065 R)
• M7: 4,126,358 km (0.118 R)
• M8: 4,979,365 km (0.084 R)
• M9: 5,200,620 km (0.059 R)
• M10: 5,583,890 km (0.105 R)
• M11: 5,944,720 km (0.083 R)
• M12: 6,450,062 km (0.077 R)
• M13: 6,713,354 km (0.058 R)
• M14: 11,898,566 km (0.028 R)
• M15: 13,609,367 km (0.095 R)
• M16: 15,713,012 km (0.114 R)
• M17: 19,899,958 km (0.071 R)
• M18: 20,552,952 km (0.101 R)
• M19: 26,974,590 km (0.047 R)
• M20: 29,661,368 km (0.069 R)
• M21: 31,884,542 km (0.062 R)
• M22: 38,495,272 km (0.081 R)
• M23: 40,687,928 km (0.098 R)
• M24: 44,209,911 km (0.065 R)
• M25: 45,320,825 km (0.043 R)
• M26: 48,096,015 km (0.107 R)
• M27: 50,464,897 km (0.077 R)
• M28: 54,342,923 km (0.088 R)
• M29: 54,705,099 km (0.027 R)
• M30: 56,169,513 km (0.063 R)
• M31: 59,559,999 km (0.087 R)
• M32: 69,688,522 km (0.105 R)
• M33: 71,625,815 km (0.11 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 14,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit