🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.59 AU - 0.75 AU

Year: 203 Days

Day: 15.8 Hours

Environment

Temp: 139 °C

Axial Tilt: 43.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 70,611,348 km

• M1: 17,204 km (0.118 R)
• M2: 105,915 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.48 AU - 2.08 AU

Year: 881 Days

Day: 40.9 Hours

Environment

Temp: -50 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,611,348 km

• M1: 532,718 km (0.081 R)

Asteroid Belt

Center: 3.7 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.7

Radius: 13.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.47 AU - 6.75 AU

Year: 4928 Days

Day: 13 Hours

Environment

Temp: -157 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,611,348 km

• M1: 172,935 km (0.105 R)
• M2: 624,721 km (0.087 R)
• M3: 1,211,593 km (0.04 R)
• M4: 1,986,959 km (0.043 R)
• M5: 2,552,588 km (0.078 R)
• M6: 3,506,574 km (0.042 R)
• M7: 4,138,625 km (0.096 R)
• M8: 4,765,739 km (0.072 R)
• M9: 6,503,169 km (0.084 R)
• M10: 6,984,126 km (0.116 R)
• M11: 7,653,128 km (0.072 R)
• M12: 8,842,880 km (0.099 R)
• M13: 9,498,418 km (0.111 R)
• M14: 10,593,773 km (0.113 R)
• M15: 11,154,466 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.8

Radius: 12

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.98 AU - 6.68 AU

Year: 5906 Days

Day: 11.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,611,348 km

• M1: 149,897 km (0.036 R)
• M2: 909,854 km (0.11 R)
• M3: 1,511,836 km (0.1 R)
• M4: 2,602,405 km (0.066 R)
• M5: 3,216,205 km (0.066 R)
• M6: 4,353,747 km (0.097 R)
• M7: 4,893,646 km (0.105 R)
• M8: 5,682,924 km (0.069 R)
• M9: 6,361,051 km (0.065 R)
• M10: 8,448,091 km (0.103 R)
• M11: 10,957,146 km (0.082 R)
• M12: 12,558,891 km (0.091 R)
• M13: 13,021,597 km (0.09 R)
• M14: 15,450,019 km (0.089 R)
• M15: 19,160,645 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.5

Radius: 14.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.63 AU - 6.85 AU

Year: 6489 Days

Day: 7.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,611,348 km

• M1: 186,848 km (0.117 R)
• M2: 910,752 km (0.06 R)
• M3: 1,664,576 km (0.066 R)
• M4: 2,580,713 km (0.052 R)
• M5: 3,371,487 km (0.114 R)
• M6: 4,980,861 km (0.109 R)
• M7: 6,541,316 km (0.077 R)
• M8: 7,271,354 km (0.088 R)
• M9: 7,787,916 km (0.058 R)
• M10: 9,880,939 km (0.047 R)
• M11: 14,682,881 km (0.115 R)
• M12: 15,390,928 km (0.096 R)
• M13: 16,370,345 km (0.119 R)
• M14: 19,348,390 km (0.08 R)
• M15: 19,913,421 km (0.106 R)
• M16: 20,562,078 km (0.067 R)
• M17: 22,207,505 km (0.059 R)
• M18: 26,964,418 km (0.111 R)
• M19: 28,027,311 km (0.046 R)
• M20: 31,286,899 km (0.055 R)
• M21: 33,058,137 km (0.078 R)
• M22: 33,866,415 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.5

Radius: 14

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.88 AU - 7.16 AU

Year: 6898 Days

Day: 10.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,611,348 km

• M1: 174,282 km (0.096 R)
• M2: 737,518 km (0.03 R)
• M3: 1,810,433 km (0.094 R)
• M4: 2,281,517 km (0.051 R)
• M5: 4,010,420 km (0.082 R)
• M6: 5,394,798 km (0.109 R)
• M7: 5,843,891 km (0.117 R)
• M8: 8,060,632 km (0.094 R)
• M9: 9,043,640 km (0.103 R)
• M10: 10,493,243 km (0.12 R)
• M11: 11,351,337 km (0.067 R)
• M12: 12,146,898 km (0.113 R)
• M13: 13,790,231 km (0.118 R)
• M14: 15,770,907 km (0.079 R)
• M15: 17,307,277 km (0.092 R)
• M16: 19,161,842 km (0.104 R)
• M17: 22,514,629 km (0.068 R)
• M18: 26,240,514 km (0.103 R)
• M19: 28,106,298 km (0.086 R)
• M20: 33,583,525 km (0.096 R)
• M21: 39,733,643 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.8

Radius: 6.7

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 11.42 AU - 14.98 AU

Year: 17785 Days

Day: 17.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,611,348 km

• M1: 85,720 km (0.029 R)
• M2: 337,642 km (0.067 R)
• M3: 758,312 km (0.109 R)
• M4: 1,227,301 km (0.103 R)
• M5: 1,548,787 km (0.105 R)
• M6: 1,761,365 km (0.109 R)
• M7: 2,153,761 km (0.117 R)
• M8: 2,665,984 km (0.09 R)
• M9: 2,928,378 km (0.092 R)
• M10: 3,329,899 km (0.069 R)
• M11: 4,662,966 km (0.116 R)
• M12: 6,948,522 km (0.071 R)
• M13: 7,837,432 km (0.068 R)
• M14: 8,059,735 km (0.092 R)
• M15: 11,123,798 km (0.113 R)
• M16: 13,130,205 km (0.086 R)
• M17: 15,574,784 km (0.088 R)
• M18: 16,069,055 km (0.087 R)
• M19: 16,284,177 km (0.097 R)
• M20: 18,463,220 km (0.042 R)
• M21: 21,603,129 km (0.056 R)
• M22: 27,054,326 km (0.067 R)
• M23: 30,751,338 km (0.036 R)
• M24: 31,194,148 km (0.1 R)
• M25: 33,941,064 km (0.095 R)
• M26: 34,652,252 km (0.106 R)
• M27: 37,848,860 km (0.116 R)
• M28: 50,733,126 km (0.107 R)
• M29: 51,974,788 km (0.088 R)
• M30: 52,760,925 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.9

Radius: 6.8

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 12.79 AU - 18.13 AU

Year: 22543 Days

Day: 17.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,611,348 km

• M1: 84,822 km (0.063 R)
• M2: 437,275 km (0.117 R)
• M3: 683,363 km (0.049 R)
• M4: 965,205 km (0.115 R)
• M5: 1,567,337 km (0.045 R)
• M6: 3,542,328 km (0.032 R)
• M7: 3,803,825 km (0.079 R)
• M8: 4,332,803 km (0.116 R)
• M9: 5,235,477 km (0.119 R)
• M10: 5,810,082 km (0.069 R)
• M11: 6,299,417 km (0.099 R)
• M12: 7,267,614 km (0.086 R)
• M13: 8,381,969 km (0.094 R)
• M14: 12,206,737 km (0.043 R)
• M15: 14,791,340 km (0.076 R)
• M16: 15,625,049 km (0.118 R)
• M17: 16,409,839 km (0.118 R)
• M18: 16,811,809 km (0.118 R)
• M19: 18,313,921 km (0.114 R)
• M20: 21,012,816 km (0.114 R)
• M21: 22,753,238 km (0.06 R)
• M22: 33,296,447 km (0.116 R)
• M23: 34,593,610 km (0.072 R)
• M24: 37,150,537 km (0.104 R)
• M25: 37,983,348 km (0.073 R)
• M26: 42,335,599 km (0.037 R)
• M27: 44,943,539 km (0.028 R)
• M28: 47,170,153 km (0.119 R)
• M29: 50,816,153 km (0.048 R)
• M30: 52,707,668 km (0.096 R)
• M31: 55,361,834 km (0.111 R)
• M32: 57,180,046 km (0.081 R)
• M33: 60,361,694 km (0.115 R)
• M34: 60,743,617 km (0.109 R)
• M35: 61,319,419 km (0.064 R)
• M36: 65,452,958 km (0.079 R)
• M37: 69,349,534 km (0.092 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 233 - 14,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit