🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.4

Radius: 11.4

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.62 AU - 0.84 AU

Year: 416 Days

Day: 5.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,031,666 km

• M1: 141,819 km (0.052 R)
• M2: 496,815 km (0.11 R)
• M3: 854,503 km (0.044 R)
• M4: 1,350,121 km (0.102 R)
• M5: 1,927,569 km (0.058 R)
• M6: 2,449,067 km (0.058 R)
• M7: 2,928,977 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.5

Radius: 8.2

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.87 AU - 1.09 AU

Year: 647 Days

Day: 6.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,031,666 km

• M1: 103,073 km (0.109 R)
• M2: 411,693 km (0.079 R)
• M3: 808,576 km (0.057 R)
• M4: 1,295,667 km (0.032 R)
• M5: 1,565,542 km (0.101 R)
• M6: 2,287,950 km (0.109 R)
• M7: 3,095,330 km (0.073 R)
• M8: 3,415,768 km (0.104 R)
• M9: 3,840,477 km (0.099 R)
• M10: 4,497,211 km (0.065 R)
• M11: 5,521,807 km (0.081 R)
• M12: 6,634,067 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.5

Radius: 9.8

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.96 AU - 1.32 AU

Year: 812 Days

Day: 13.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,031,666 km

• M1: 122,820 km (0.047 R)
• M2: 624,571 km (0.076 R)
• M3: 1,102,088 km (0.077 R)
• M4: 1,520,513 km (0.101 R)
• M5: 1,897,799 km (0.106 R)
• M6: 2,337,467 km (0.103 R)
• M7: 3,144,547 km (0.103 R)
• M8: 4,062,181 km (0.102 R)
• M9: 4,671,792 km (0.088 R)
• M10: 5,558,010 km (0.09 R)
• M11: 6,552,536 km (0.095 R)
• M12: 7,080,467 km (0.071 R)
• M13: 7,537,788 km (0.106 R)
• M14: 7,912,680 km (0.068 R)
• M15: 8,352,648 km (0.082 R)
• M16: 9,596,255 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 14.4

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.37 AU - 2.05 AU

Year: 1491 Days

Day: 12 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,031,666 km

• M1: 179,069 km (0.041 R)
• M2: 1,054,366 km (0.104 R)
• M3: 1,584,241 km (0.096 R)
• M4: 2,039,318 km (0.039 R)
• M5: 3,396,769 km (0.077 R)
• M6: 4,281,042 km (0.108 R)
• M7: 4,952,438 km (0.067 R)
• M8: 6,067,091 km (0.039 R)
• M9: 6,557,623 km (0.082 R)
• M10: 7,021,675 km (0.082 R)
• M11: 7,872,588 km (0.038 R)
• M12: 8,517,504 km (0.116 R)
• M13: 9,681,525 km (0.107 R)
• M14: 10,526,454 km (0.106 R)
• M15: 11,420,152 km (0.118 R)
• M16: 12,834,899 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.9

Radius: 8.5

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.48 AU - 2.02 AU

Year: 1544 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,031,666 km

• M1: 106,962 km (0.038 R)
• M2: 439,369 km (0.048 R)
• M3: 719,566 km (0.118 R)
• M4: 990,338 km (0.056 R)
• M5: 1,447,958 km (0.056 R)
• M6: 1,758,523 km (0.088 R)
• M7: 2,309,043 km (0.112 R)
• M8: 2,724,177 km (0.047 R)
• M9: 3,273,052 km (0.117 R)
• M10: 4,959,768 km (0.091 R)
• M11: 6,894,816 km (0.086 R)
• M12: 7,429,329 km (0.116 R)
• M13: 8,069,908 km (0.112 R)
• M14: 8,444,351 km (0.103 R)
• M15: 9,519,661 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.3

Radius: 14.4

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.64 AU - 2.48 AU

Year: 1972 Days

Day: 8.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,031,666 km

• M1: 179,368 km (0.112 R)
• M2: 703,708 km (0.086 R)
• M3: 1,248,993 km (0.114 R)
• M4: 2,021,965 km (0.046 R)
• M5: 2,588,642 km (0.107 R)
• M6: 3,721,696 km (0.112 R)
• M7: 5,572,072 km (0.084 R)
• M8: 6,279,071 km (0.104 R)
• M9: 6,813,884 km (0.099 R)
• M10: 8,051,806 km (0.095 R)
• M11: 8,630,301 km (0.084 R)
• M12: 9,236,322 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.1

Radius: 8.4

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.99 AU - 6.19 AU

Year: 8813 Days

Day: 10.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,031,666 km

• M1: 104,419 km (0.102 R)
• M2: 383,719 km (0.095 R)
• M3: 1,008,439 km (0.086 R)
• M4: 1,471,744 km (0.097 R)
• M5: 1,930,411 km (0.081 R)
• M6: 2,219,135 km (0.1 R)
• M7: 2,745,570 km (0.115 R)
• M8: 3,773,157 km (0.08 R)
• M9: 4,098,084 km (0.065 R)
• M10: 4,387,556 km (0.11 R)
• M11: 4,862,080 km (0.097 R)
• M12: 5,782,556 km (0.097 R)
• M13: 6,422,835 km (0.053 R)
• M14: 8,005,431 km (0.085 R)
• M15: 8,628,805 km (0.085 R)
• M16: 11,398,909 km (0.111 R)
• M17: 11,762,731 km (0.093 R)
• M18: 14,896,058 km (0.103 R)
• M19: 18,051,377 km (0.104 R)
• M20: 18,904,683 km (0.075 R)
• M21: 20,159,211 km (0.073 R)
• M22: 20,845,566 km (0.089 R)
• M23: 25,646,610 km (0.114 R)
• M24: 26,002,653 km (0.068 R)
• M25: 27,274,534 km (0.101 R)
• M26: 28,113,928 km (0.083 R)
• M27: 28,397,416 km (0.078 R)
• M28: 28,874,334 km (0.119 R)
• M29: 31,338,959 km (0.106 R)
• M30: 32,674,569 km (0.08 R)
• M31: 34,154,690 km (0.112 R)
• M32: 36,682,744 km (0.092 R)
• M33: 37,021,434 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.8

Radius: 7.7

Gravity: 12.31 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.53 AU - 7.39 AU

Year: 12245 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,031,666 km

• M1: 95,743 km (0.044 R)
• M2: 449,990 km (0.108 R)
• M3: 767,437 km (0.048 R)
• M4: 1,184,516 km (0.093 R)
• M5: 1,730,099 km (0.066 R)
• M6: 2,392,668 km (0.077 R)
• M7: 3,569,256 km (0.11 R)
• M8: 4,763,795 km (0.112 R)
• M9: 5,058,203 km (0.09 R)
• M10: 6,204,871 km (0.115 R)
• M11: 6,636,311 km (0.102 R)
• M12: 7,342,563 km (0.104 R)
• M13: 10,619,055 km (0.098 R)
• M14: 11,819,129 km (0.081 R)
• M15: 12,980,458 km (0.12 R)
• M16: 15,315,830 km (0.061 R)
• M17: 17,683,815 km (0.072 R)
• M18: 18,153,552 km (0.057 R)
• M19: 21,500,056 km (0.073 R)
• M20: 22,035,168 km (0.066 R)
• M21: 22,305,940 km (0.096 R)
• M22: 23,411,618 km (0.118 R)
• M23: 25,039,991 km (0.059 R)
• M24: 32,660,656 km (0.102 R)
• M25: 34,812,472 km (0.116 R)
• M26: 35,303,153 km (0.09 R)
• M27: 35,674,155 km (0.059 R)
• M28: 39,929,018 km (0.111 R)
• M29: 45,088,200 km (0.083 R)
• M30: 46,703,707 km (0.103 R)
• M31: 48,814,982 km (0.045 R)
• M32: 50,831,860 km (0.085 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 18,265 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit