🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.66 AU - 0.82 AU

Year: 268 Days

Day: 39.6 Hours

Environment

Temp: 18 °C

Axial Tilt: 2.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.78 AU - 1.16 AU

Year: 403 Days

Day: 29.6 Hours

Environment

Temp: -53 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,948,651 km

• M1: 44,131 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.52 AU - 2.12 AU

Year: 1036 Days

Day: 41.9 Hours

Environment

Temp: -94 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,948,651 km

• M1: 953,537 km (0.092 R)

Asteroid Belt

Center: 2.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.5

Radius: 10.5

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.7 AU - 4.18 AU

Year: 2691 Days

Day: 6.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,948,651 km

• M1: 147,952 km (0.066 R)
• M2: 517,459 km (0.056 R)
• M3: 1,466,358 km (0.063 R)
• M4: 1,975,290 km (0.045 R)
• M5: 2,479,734 km (0.069 R)
• M6: 3,369,243 km (0.025 R)
• M7: 3,968,981 km (0.119 R)
• M8: 4,503,345 km (0.104 R)
• M9: 4,893,795 km (0.111 R)
• M10: 5,508,942 km (0.094 R)
• M11: 6,010,394 km (0.081 R)
• M12: 7,013,896 km (0.096 R)
• M13: 9,610,018 km (0.055 R)
• M14: 10,104,139 km (0.077 R)
• M15: 11,351,187 km (0.079 R)
• M16: 12,164,551 km (0.118 R)
• M17: 13,574,511 km (0.08 R)
• M18: 14,100,198 km (0.07 R)
• M19: 14,888,878 km (0.085 R)
• M20: 16,021,034 km (0.118 R)
• M21: 16,500,346 km (0.069 R)
• M22: 20,066,759 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.8

Radius: 11.2

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.48 AU - 7.3 AU

Year: 6029 Days

Day: 12 Hours

Environment

Temp: -171 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,948,651 km

• M1: 140,024 km (0.096 R)
• M2: 508,633 km (0.119 R)
• M3: 1,050,476 km (0.094 R)
• M4: 1,922,333 km (0.082 R)
• M5: 2,742,727 km (0.098 R)
• M6: 3,657,668 km (0.089 R)
• M7: 4,618,685 km (0.092 R)
• M8: 5,042,346 km (0.084 R)
• M9: 6,025,653 km (0.095 R)
• M10: 7,067,751 km (0.107 R)
• M11: 7,700,251 km (0.111 R)
• M12: 8,083,371 km (0.106 R)
• M13: 8,700,762 km (0.082 R)
• M14: 10,403,186 km (0.058 R)
• M15: 12,842,828 km (0.092 R)
• M16: 15,586,004 km (0.078 R)
• M17: 16,889,899 km (0.101 R)
• M18: 17,838,948 km (0.091 R)
• M19: 19,011,795 km (0.082 R)
• M20: 19,843,260 km (0.07 R)
• M21: 21,993,430 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.4

Radius: 4.2

Gravity: 41.97 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 13.7 AU - 16.12 AU

Year: 24282 Days

Day: 17.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 64,948,651 km

• M1: 52,359 km (0.085 R)
• M2: 306,526 km (0.088 R)
• M3: 488,587 km (0.097 R)
• M4: 651,798 km (0.106 R)
• M5: 1,104,930 km (0.03 R)
• M6: 1,295,368 km (0.096 R)
• M7: 1,440,029 km (0.069 R)
• M8: 1,780,963 km (0.113 R)
• M9: 2,426,328 km (0.057 R)
• M10: 2,698,147 km (0.097 R)
• M11: 3,302,373 km (0.063 R)
• M12: 4,265,484 km (0.053 R)
• M13: 4,849,215 km (0.073 R)
• M14: 5,484,408 km (0.118 R)
• M15: 8,867,414 km (0.078 R)
• M16: 9,039,900 km (0.12 R)
• M17: 11,422,695 km (0.093 R)
• M18: 13,274,717 km (0.097 R)
• M19: 15,649,583 km (0.094 R)
• M20: 15,901,655 km (0.097 R)
• M21: 16,413,729 km (0.064 R)
• M22: 18,479,077 km (0.087 R)
• M23: 19,525,514 km (0.08 R)
• M24: 24,330,747 km (0.12 R)
• M25: 26,764,555 km (0.067 R)
• M26: 27,367,135 km (0.088 R)
• M27: 28,975,911 km (0.101 R)
• M28: 29,483,347 km (0.09 R)
• M29: 30,909,164 km (0.093 R)
• M30: 34,602,885 km (0.057 R)
• M31: 35,317,664 km (0.118 R)
• M32: 36,776,692 km (0.108 R)
• M33: 36,924,794 km (0.116 R)
• M34: 37,222,194 km (0.102 R)
• M35: 38,275,513 km (0.076 R)
• M36: 39,503,562 km (0.085 R)
• M37: 39,970,756 km (0.045 R)
• M38: 50,104,964 km (0.106 R)
• M39: 52,318,265 km (0.116 R)
• M40: 65,231,104 km (0.107 R)
• M41: 67,201,757 km (0.113 R)
• M42: 80,611,112 km (0.113 R)
• M43: 83,388,845 km (0.113 R)
• M44: 83,644,358 km (0.11 R)
• M45: 84,930,451 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195

Radius: 3.2

Gravity: 19.04 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 16.63 AU - 17.37 AU

Year: 29562 Days

Day: 18.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,948,651 km

• M1: 52,509 km (0.072 R)
• M2: 574,755 km (0.093 R)
• M3: 779,106 km (0.051 R)
• M4: 1,672,504 km (0.075 R)
• M5: 2,846,698 km (0.048 R)
• M6: 3,248,368 km (0.027 R)
• M7: 3,686,540 km (0.114 R)
• M8: 4,546,130 km (0.059 R)
• M9: 5,682,924 km (0.087 R)
• M10: 6,194,399 km (0.094 R)
• M11: 6,608,187 km (0.096 R)
• M12: 8,008,273 km (0.094 R)
• M13: 9,113,951 km (0.093 R)
• M14: 10,091,274 km (0.104 R)
• M15: 10,203,921 km (0.115 R)
• M16: 11,377,816 km (0.059 R)
• M17: 12,123,860 km (0.113 R)
• M18: 13,034,612 km (0.104 R)
• M19: 14,271,487 km (0.079 R)
• M20: 14,556,621 km (0.118 R)
• M21: 15,735,003 km (0.101 R)
• M22: 16,347,457 km (0.025 R)
• M23: 17,295,608 km (0.076 R)
• M24: 20,359,373 km (0.065 R)
• M25: 20,720,502 km (0.054 R)
• M26: 22,591,074 km (0.057 R)
• M27: 28,533,251 km (0.071 R)
• M28: 28,985,485 km (0.052 R)
• M29: 29,099,329 km (0.108 R)
• M30: 31,438,591 km (0.11 R)
• M31: 31,800,019 km (0.059 R)
• M32: 42,341,882 km (0.1 R)
• M33: 46,886,815 km (0.109 R)
• M34: 47,674,448 km (0.089 R)
• M35: 47,833,171 km (0.063 R)
• M36: 51,746,053 km (0.087 R)
• M37: 57,466,975 km (0.074 R)
• M38: 61,694,311 km (0.089 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 12,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit