🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.21 AU - 1.81 AU

Year: 668 Days

Day: 44.5 Hours

Environment

Temp: -40 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.54 AU - 2.78 AU

Year: 1561 Days

Day: 13.5 Hours

Environment

Temp: -86 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.9

Radius: 13.2

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.5 AU - 7.76 AU

Year: 6144 Days

Day: 11.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,961,833 km

• M1: 164,109 km (0.101 R)
• M2: 594,352 km (0.049 R)
• M3: 1,023,698 km (0.09 R)
• M4: 1,560,904 km (0.095 R)
• M5: 2,100,055 km (0.097 R)
• M6: 2,584,752 km (0.052 R)
• M7: 3,006,768 km (0.111 R)
• M8: 4,159,718 km (0.11 R)
• M9: 4,638,731 km (0.113 R)
• M10: 5,182,818 km (0.026 R)
• M11: 5,738,874 km (0.084 R)
• M12: 6,867,889 km (0.118 R)
• M13: 7,911,334 km (0.076 R)
• M14: 8,412,187 km (0.11 R)
• M15: 9,182,467 km (0.067 R)
• M16: 12,846,867 km (0.04 R)
• M17: 13,868,919 km (0.08 R)
• M18: 16,074,740 km (0.038 R)
• M19: 20,590,501 km (0.108 R)
• M20: 22,827,737 km (0.099 R)
• M21: 23,925,487 km (0.093 R)
• M22: 27,342,900 km (0.092 R)
• M23: 29,213,472 km (0.08 R)
• M24: 31,263,262 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.9

Radius: 12.6

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.32 AU - 8.96 AU

Year: 7600 Days

Day: 9.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,961,833 km

• M1: 157,975 km (0.036 R)
• M2: 663,317 km (0.076 R)
• M3: 1,073,365 km (0.073 R)
• M4: 2,091,528 km (0.097 R)
• M5: 4,911,298 km (0.103 R)
• M6: 5,720,473 km (0.105 R)
• M7: 6,375,712 km (0.099 R)
• M8: 7,007,763 km (0.115 R)
• M9: 7,994,061 km (0.118 R)
• M10: 10,621,898 km (0.11 R)
• M11: 13,438,676 km (0.034 R)
• M12: 18,061,101 km (0.047 R)
• M13: 22,512,684 km (0.104 R)
• M14: 23,075,621 km (0.1 R)
• M15: 23,730,261 km (0.113 R)
• M16: 30,779,612 km (0.087 R)
• M17: 32,278,733 km (0.092 R)
• M18: 33,304,974 km (0.104 R)
• M19: 34,036,208 km (0.05 R)
• M20: 36,514,147 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.2

Radius: 10.3

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.37 AU - 12.05 AU

Year: 10889 Days

Day: 5.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,961,833 km

• M1: 128,056 km (0.099 R)
• M2: 471,084 km (0.094 R)
• M3: 848,220 km (0.091 R)
• M4: 1,219,671 km (0.095 R)
• M5: 1,612,665 km (0.117 R)
• M6: 1,970,653 km (0.108 R)
• M7: 2,743,625 km (0.044 R)
• M8: 3,331,245 km (0.096 R)
• M9: 4,757,960 km (0.053 R)
• M10: 5,403,026 km (0.108 R)
• M11: 6,441,086 km (0.056 R)
• M12: 7,438,156 km (0.086 R)
• M13: 8,352,797 km (0.119 R)
• M14: 9,990,146 km (0.058 R)
• M15: 15,684,439 km (0.112 R)
• M16: 16,458,608 km (0.093 R)
• M17: 17,110,855 km (0.111 R)
• M18: 21,306,477 km (0.106 R)
• M19: 25,368,957 km (0.106 R)
• M20: 27,531,394 km (0.087 R)
• M21: 31,001,167 km (0.12 R)
• M22: 35,107,479 km (0.105 R)
• M23: 39,305,644 km (0.1 R)
• M24: 41,525,227 km (0.104 R)
• M25: 42,869,215 km (0.11 R)
• M26: 43,414,798 km (0.048 R)
• M27: 47,801,606 km (0.076 R)
• M28: 48,241,274 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.5

Radius: 13.3

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 11.5 AU - 12.06 AU

Year: 14551 Days

Day: 12.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 131.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 54,961,833 km

• M1: 165,455 km (0.053 R)
• M2: 586,424 km (0.115 R)
• M3: 1,002,156 km (0.108 R)
• M4: 1,427,014 km (0.103 R)
• M5: 1,849,329 km (0.108 R)
• M6: 2,283,761 km (0.099 R)
• M7: 2,705,029 km (0.118 R)
• M8: 3,247,471 km (0.03 R)
• M9: 3,707,933 km (0.112 R)
• M10: 4,883,473 km (0.058 R)
• M11: 6,185,124 km (0.117 R)
• M12: 7,094,230 km (0.107 R)
• M13: 8,265,432 km (0.089 R)
• M14: 9,416,588 km (0.062 R)
• M15: 10,671,863 km (0.118 R)
• M16: 13,027,880 km (0.1 R)
• M17: 18,140,238 km (0.099 R)
• M18: 18,593,370 km (0.069 R)
• M19: 19,601,211 km (0.063 R)
• M20: 20,320,028 km (0.115 R)
• M21: 22,322,845 km (0.075 R)
• M22: 23,372,274 km (0.042 R)
• M23: 25,948,648 km (0.087 R)
• M24: 28,202,191 km (0.062 R)
• M25: 29,324,923 km (0.08 R)
• M26: 41,064,915 km (0.107 R)
• M27: 41,585,366 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.2

Radius: 14.9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 11.09 AU - 13.17 AU

Year: 15204 Days

Day: 9.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,961,833 km

• M1: 186,399 km (0.098 R)
• M2: 1,137,093 km (0.087 R)
• M3: 1,651,112 km (0.114 R)
• M4: 2,182,932 km (0.115 R)
• M5: 2,783,119 km (0.1 R)
• M6: 3,357,575 km (0.045 R)
• M7: 5,240,862 km (0.098 R)
• M8: 5,806,342 km (0.083 R)
• M9: 6,623,745 km (0.082 R)
• M10: 8,139,321 km (0.048 R)
• M11: 9,217,922 km (0.08 R)
• M12: 11,596,378 km (0.102 R)
• M13: 12,495,162 km (0.1 R)
• M14: 13,718,424 km (0.104 R)
• M15: 15,701,344 km (0.096 R)
• M16: 17,453,284 km (0.109 R)
• M17: 18,893,912 km (0.059 R)
• M18: 21,154,784 km (0.12 R)
• M19: 21,914,891 km (0.118 R)
• M20: 23,188,867 km (0.108 R)
• M21: 24,305,166 km (0.048 R)
• M22: 28,782,780 km (0.078 R)
• M23: 35,882,396 km (0.094 R)
• M24: 36,963,988 km (0.084 R)
• M25: 43,002,656 km (0.062 R)
• M26: 47,698,084 km (0.061 R)
• M27: 48,348,985 km (0.047 R)
• M28: 56,084,990 km (0.117 R)
• M29: 62,062,771 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.1

Radius: 7.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 15.46 AU - 21.14 AU

Year: 28174 Days

Day: 19.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,961,833 km

• M1: 93,947 km (0.038 R)
• M2: 418,575 km (0.093 R)
• M3: 752,178 km (0.069 R)
• M4: 1,114,355 km (0.12 R)
• M5: 1,712,148 km (0.117 R)
• M6: 2,065,049 km (0.1 R)
• M7: 2,783,418 km (0.103 R)
• M8: 3,930,534 km (0.082 R)
• M9: 4,799,100 km (0.112 R)
• M10: 5,364,580 km (0.1 R)
• M11: 7,675,418 km (0.078 R)
• M12: 10,308,191 km (0.084 R)
• M13: 13,424,763 km (0.034 R)
• M14: 15,092,181 km (0.116 R)
• M15: 25,535,010 km (0.099 R)
• M16: 28,397,266 km (0.116 R)
• M17: 30,902,881 km (0.056 R)
• M18: 40,359,710 km (0.027 R)
• M19: 40,628,089 km (0.053 R)
• M20: 43,519,217 km (0.106 R)
• M21: 44,227,114 km (0.076 R)
• M22: 45,375,877 km (0.088 R)
• M23: 51,577,157 km (0.115 R)
• M24: 52,210,854 km (0.102 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 14,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit