🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.46 AU - 0.56 AU

Year: 235 Days

Day: 47.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.1

Radius: 12.8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.18 AU - 1.86 AU

Year: 1210 Days

Day: 9.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,498,578 km

• M1: 159,172 km (0.037 R)
• M2: 629,358 km (0.069 R)
• M3: 1,049,279 km (0.077 R)
• M4: 2,027,350 km (0.096 R)
• M5: 2,526,558 km (0.083 R)
• M6: 3,079,771 km (0.11 R)
• M7: 3,937,416 km (0.082 R)
• M8: 5,341,990 km (0.069 R)
• M9: 6,580,212 km (0.089 R)
• M10: 7,254,749 km (0.108 R)
• M11: 8,243,591 km (0.079 R)
• M12: 9,678,982 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.8

Radius: 10

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.91 AU - 4.79 AU

Year: 4878 Days

Day: 11.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 135 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,498,578 km

• M1: 124,316 km (0.109 R)
• M2: 472,280 km (0.098 R)
• M3: 2,316,224 km (0.088 R)
• M4: 2,983,879 km (0.086 R)
• M5: 3,865,908 km (0.116 R)
• M6: 4,752,575 km (0.093 R)
• M7: 5,104,279 km (0.101 R)
• M8: 6,013,834 km (0.083 R)
• M9: 7,062,515 km (0.105 R)
• M10: 7,449,824 km (0.066 R)
• M11: 8,152,336 km (0.111 R)
• M12: 8,777,655 km (0.108 R)
• M13: 10,346,189 km (0.053 R)
• M14: 14,084,640 km (0.073 R)
• M15: 14,530,142 km (0.102 R)
• M16: 17,594,954 km (0.059 R)
• M17: 18,308,386 km (0.085 R)
• M18: 19,654,767 km (0.116 R)
• M19: 20,493,712 km (0.071 R)
• M20: 22,242,959 km (0.1 R)
• M21: 22,923,779 km (0.065 R)
• M22: 23,540,721 km (0.101 R)
• M23: 26,623,035 km (0.12 R)
• M24: 27,736,492 km (0.096 R)
• M25: 29,782,094 km (0.045 R)
• M26: 30,888,370 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.5

Radius: 8.1

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.74 AU - 4.04 AU

Year: 4954 Days

Day: 10.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,498,578 km

• M1: 102,475 km (0.11 R)
• M2: 531,222 km (0.091 R)
• M3: 1,000,062 km (0.117 R)
• M4: 1,280,109 km (0.094 R)
• M5: 2,411,518 km (0.1 R)
• M6: 2,666,881 km (0.088 R)
• M7: 3,041,474 km (0.1 R)
• M8: 4,380,076 km (0.12 R)
• M9: 5,046,235 km (0.118 R)
• M10: 5,699,230 km (0.085 R)
• M11: 8,263,936 km (0.086 R)
• M12: 11,014,891 km (0.083 R)
• M13: 15,319,869 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.1

Radius: 6.2

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.69 AU - 7.43 AU

Year: 9632 Days

Day: 17.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,498,578 km

• M1: 77,193 km (0.106 R)
• M2: 323,879 km (0.074 R)
• M3: 548,127 km (0.102 R)
• M4: 999,314 km (0.053 R)
• M5: 1,730,399 km (0.079 R)
• M6: 2,100,055 km (0.105 R)
• M7: 2,596,421 km (0.08 R)
• M8: 3,189,726 km (0.068 R)
• M9: 3,460,348 km (0.116 R)
• M10: 3,970,627 km (0.046 R)
• M11: 4,670,446 km (0.071 R)
• M12: 5,324,338 km (0.091 R)
• M13: 5,544,695 km (0.052 R)
• M14: 6,242,570 km (0.079 R)
• M15: 6,775,886 km (0.077 R)
• M16: 8,179,264 km (0.115 R)
• M17: 10,386,281 km (0.106 R)
• M18: 10,981,980 km (0.094 R)
• M19: 12,625,761 km (0.086 R)
• M20: 13,246,443 km (0.096 R)
• M21: 13,710,495 km (0.116 R)
• M22: 16,995,216 km (0.093 R)
• M23: 18,458,432 km (0.113 R)
• M24: 18,818,814 km (0.119 R)
• M25: 19,183,982 km (0.076 R)
• M26: 19,628,288 km (0.118 R)
• M27: 20,384,056 km (0.071 R)
• M28: 21,953,488 km (0.068 R)
• M29: 25,597,392 km (0.076 R)
• M30: 27,891,027 km (0.095 R)
• M31: 35,699,138 km (0.114 R)
• M32: 38,907,863 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.2

Radius: 3.5

Gravity: 53.89 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.74 AU - 8.32 AU

Year: 13342 Days

Day: 16.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,498,578 km

• M1: 43,832 km (0.042 R)
• M2: 204,201 km (0.081 R)
• M3: 1,197,381 km (0.062 R)
• M4: 2,048,444 km (0.075 R)
• M5: 2,297,075 km (0.094 R)
• M6: 2,877,814 km (0.105 R)
• M7: 3,264,824 km (0.115 R)
• M8: 4,111,997 km (0.12 R)
• M9: 4,730,584 km (0.051 R)
• M10: 5,734,386 km (0.11 R)
• M11: 7,875,281 km (0.083 R)
• M12: 13,774,822 km (0.081 R)
• M13: 14,312,327 km (0.119 R)
• M14: 16,008,767 km (0.101 R)
• M15: 18,716,040 km (0.065 R)
• M16: 23,561,665 km (0.107 R)
• M17: 34,515,370 km (0.107 R)
• M18: 37,153,080 km (0.12 R)
• M19: 41,287,516 km (0.097 R)
• M20: 41,564,422 km (0.111 R)
• M21: 42,825,382 km (0.082 R)
• M22: 45,718,306 km (0.108 R)
• M23: 49,203,039 km (0.107 R)
• M24: 49,670,233 km (0.1 R)
• M25: 49,826,712 km (0.119 R)
• M26: 51,728,999 km (0.101 R)
• M27: 54,672,487 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.3

Radius: 5.6

Gravity: 14.77 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.43 AU - 10.21 AU

Year: 19869 Days

Day: 24.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,498,578 km

• M1: 70,760 km (0.117 R)
• M2: 293,810 km (0.037 R)
• M3: 525,238 km (0.07 R)
• M4: 877,840 km (0.093 R)
• M5: 1,496,876 km (0.083 R)
• M6: 1,673,103 km (0.097 R)
• M7: 1,973,046 km (0.093 R)
• M8: 2,392,369 km (0.115 R)
• M9: 2,680,495 km (0.071 R)
• M10: 3,489,370 km (0.072 R)
• M11: 3,831,052 km (0.076 R)
• M12: 4,548,224 km (0.087 R)
• M13: 7,099,466 km (0.114 R)
• M14: 12,567,119 km (0.11 R)
• M15: 13,437,180 km (0.067 R)
• M16: 15,978,249 km (0.086 R)
• M17: 17,159,175 km (0.074 R)
• M18: 18,651,563 km (0.042 R)
• M19: 19,341,808 km (0.096 R)
• M20: 19,605,100 km (0.087 R)
• M21: 20,409,039 km (0.062 R)
• M22: 20,681,756 km (0.117 R)
• M23: 27,207,066 km (0.106 R)
• M24: 29,230,377 km (0.091 R)
• M25: 29,809,620 km (0.053 R)
• M26: 30,752,535 km (0.097 R)
• M27: 35,634,811 km (0.096 R)
• M28: 43,813,327 km (0.09 R)
• M29: 46,427,998 km (0.085 R)
• M30: 61,261,824 km (0.089 R)
• M31: 62,592,048 km (0.11 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 19,944 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit