🌌 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 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.9

Radius: 8.2

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.55 AU - 0.73 AU

Year: 353 Days

Day: 9.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,693,177 km

• M1: 102,026 km (0.055 R)
• M2: 444,156 km (0.065 R)
• M3: 790,176 km (0.059 R)
• M4: 1,396,646 km (0.045 R)
• M5: 1,683,874 km (0.039 R)
• M6: 2,091,378 km (0.119 R)
• M7: 2,667,928 km (0.108 R)
• M8: 3,017,688 km (0.07 R)
• M9: 3,698,508 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.2

Radius: 13.6

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.65 AU - 0.83 AU

Year: 439 Days

Day: 7.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,693,177 km

• M1: 172,935 km (0.085 R)
• M2: 646,263 km (0.109 R)
• M3: 1,168,060 km (0.051 R)
• M4: 1,717,533 km (0.115 R)
• M5: 2,421,990 km (0.104 R)
• M6: 3,190,773 km (0.072 R)
• M7: 3,801,431 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.7

Radius: 13.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.03 AU - 1.21 AU

Year: 818 Days

Day: 9.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,693,177 km

• M1: 169,195 km (0.105 R)
• M2: 740,360 km (0.074 R)
• M3: 1,375,104 km (0.112 R)
• M4: 1,854,116 km (0.089 R)
• M5: 2,474,199 km (0.092 R)
• M6: 3,241,786 km (0.089 R)
• M7: 3,676,068 km (0.074 R)
• M8: 4,473,276 km (0.049 R)
• M9: 5,220,517 km (0.081 R)
• M10: 5,718,079 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.6

Radius: 9.3

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.05 AU - 1.29 AU

Year: 874 Days

Day: 5.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,693,177 km

• M1: 115,639 km (0.045 R)
• M2: 515,215 km (0.097 R)
• M3: 1,044,044 km (0.028 R)
• M4: 1,448,257 km (0.084 R)
• M5: 2,094,819 km (0.079 R)
• M6: 2,519,079 km (0.09 R)
• M7: 3,000,185 km (0.113 R)
• M8: 4,130,098 km (0.11 R)
• M9: 4,465,496 km (0.1 R)
• M10: 5,115,050 km (0.085 R)
• M11: 5,744,259 km (0.074 R)
• M12: 7,085,554 km (0.098 R)
• M13: 7,543,173 km (0.047 R)
• M14: 9,174,837 km (0.105 R)
• M15: 9,924,472 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.6

Radius: 9.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.79 AU - 2.79 AU

Year: 2392 Days

Day: 13.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,693,177 km

• M1: 121,473 km (0.028 R)
• M2: 774,169 km (0.063 R)
• M3: 1,245,103 km (0.063 R)
• M4: 1,797,867 km (0.073 R)
• M5: 2,200,884 km (0.113 R)
• M6: 3,472,017 km (0.102 R)
• M7: 4,454,277 km (0.091 R)
• M8: 4,867,167 km (0.114 R)
• M9: 5,262,404 km (0.092 R)
• M10: 5,589,575 km (0.076 R)
• M11: 6,985,173 km (0.093 R)
• M12: 8,570,013 km (0.114 R)
• M13: 9,494,378 km (0.117 R)
• M14: 11,003,522 km (0.062 R)
• M15: 11,504,076 km (0.079 R)
• M16: 12,094,689 km (0.117 R)
• M17: 12,744,243 km (0.098 R)
• M18: 13,137,087 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.1

Radius: 13.3

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.61 AU - 3.57 AU

Year: 3749 Days

Day: 7 Hours

Environment

Temp: -210 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,693,177 km

• M1: 170,242 km (0.081 R)
• M2: 728,242 km (0.036 R)
• M3: 1,348,924 km (0.08 R)
• M4: 1,963,771 km (0.067 R)
• M5: 2,432,312 km (0.053 R)
• M6: 3,120,462 km (0.115 R)
• M7: 3,840,177 km (0.051 R)
• M8: 4,414,184 km (0.096 R)
• M9: 4,932,092 km (0.065 R)
• M10: 5,710,749 km (0.101 R)
• M11: 6,327,242 km (0.076 R)
• M12: 11,678,208 km (0.101 R)
• M13: 14,929,568 km (0.053 R)
• M14: 15,952,519 km (0.104 R)
• M15: 16,455,766 km (0.091 R)
• M16: 18,137,844 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.3

Radius: 8.5

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.48 AU - 4.02 AU

Year: 4044 Days

Day: 5.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 26,693,177 km

• M1: 105,915 km (0.107 R)
• M2: 583,880 km (0.109 R)
• M3: 1,052,571 km (0.062 R)
• M4: 1,398,590 km (0.087 R)
• M5: 2,190,262 km (0.114 R)
• M6: 2,813,637 km (0.112 R)
• M7: 3,330,497 km (0.076 R)
• M8: 3,909,142 km (0.095 R)
• M9: 4,338,937 km (0.107 R)
• M10: 5,003,600 km (0.111 R)
• M11: 5,347,077 km (0.055 R)
• M12: 5,762,959 km (0.11 R)
• M13: 7,075,381 km (0.083 R)
• M14: 7,577,132 km (0.119 R)
• M15: 9,661,928 km (0.092 R)
• M16: 11,731,016 km (0.072 R)
• M17: 14,027,044 km (0.072 R)
• M18: 15,864,256 km (0.094 R)
• M19: 16,607,159 km (0.12 R)
• M20: 17,734,678 km (0.085 R)
• M21: 19,878,266 km (0.086 R)
• M22: 20,340,074 km (0.11 R)
• M23: 22,188,805 km (0.115 R)
• M24: 22,973,147 km (0.077 R)
• M25: 24,597,181 km (0.11 R)
• M26: 25,283,087 km (0.064 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 15,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit