🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.48 AU - 0.56 AU

Year: 134 Days

Day: 20.9 Hours

Environment

Temp: 280 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 88,832,738 km

• M1: 55,052 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.48 AU - 1.64 AU

Year: 695 Days

Day: 36.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,832,738 km

• M1: 264,489 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.78 AU - 2.06 AU

Year: 948 Days

Day: 38 Hours

Environment

Temp: -63 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,832,738 km

• M1: 396,135 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2 AU - 2.18 AU

Year: 1077 Days

Day: 34.1 Hours

Environment

Temp: -61 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.79 AU - 2.49 AU

Year: 1116 Days

Day: 33.5 Hours

Environment

Temp: -57 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.4 AU - 2.9 AU

Year: 1538 Days

Day: 19.1 Hours

Environment

Temp: -94 °C

Axial Tilt: 178.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 88,832,738 km

• M1: 106,663 km (0.084 R)
• M2: 942,766 km (0.102 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.06 AU - 5.3 AU

Year: 3609 Days

Day: 17.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 88,832,738 km

• M1: 1,032,225 km (0.044 R)
• M2: 1,799,812 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.1

Radius: 7.1

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 13.94 AU - 20.62 AU

Year: 25604 Days

Day: 19.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 88,832,738 km

• M1: 140,323 km (0.077 R)
• M2: 204,949 km (0.109 R)
• M3: 320,738 km (0.109 R)
• M4: 1,661,883 km (0.106 R)
• M5: 3,107,746 km (0.096 R)
• M6: 3,194,363 km (0.098 R)
• M7: 3,370,141 km (0.045 R)
• M8: 4,152,388 km (0.113 R)
• M9: 4,344,322 km (0.06 R)
• M10: 4,887,213 km (0.102 R)
• M11: 4,988,191 km (0.073 R)
• M12: 5,192,392 km (0.099 R)
• M13: 5,661,831 km (0.111 R)
• M14: 6,253,789 km (0.079 R)
• M15: 6,865,495 km (0.073 R)
• M16: 7,322,217 km (0.061 R)
• M17: 7,438,006 km (0.095 R)
• M18: 8,025,776 km (0.101 R)
• M19: 8,085,466 km (0.107 R)
• M20: 8,205,144 km (0.062 R)
• M21: 8,506,883 km (0.115 R)
• M22: 8,812,212 km (0.084 R)
• M23: 9,622,883 km (0.104 R)
• M24: 10,069,283 km (0.083 R)
• M25: 10,392,265 km (0.101 R)
• M26: 10,457,340 km (0.095 R)
• M27: 11,515,745 km (0.042 R)
• M28: 11,785,769 km (0.069 R)
• M29: 13,875,801 km (0.086 R)
• M30: 14,889,775 km (0.07 R)
• M31: 15,628,490 km (0.111 R)
• M32: 17,449,694 km (0.05 R)
• M33: 17,604,528 km (0.046 R)
• M34: 18,859,205 km (0.115 R)
• M35: 20,061,374 km (0.11 R)
• M36: 22,119,392 km (0.108 R)
• M37: 22,876,656 km (0.112 R)
• M38: 23,301,065 km (0.093 R)
• M39: 23,985,326 km (0.107 R)
• M40: 24,850,151 km (0.026 R)
• M41: 25,724,999 km (0.103 R)
• M42: 26,521,159 km (0.103 R)
• M43: 26,610,020 km (0.081 R)
• M44: 27,505,065 km (0.115 R)
• M45: 30,155,640 km (0.111 R)
• M46: 30,434,490 km (0.098 R)
• M47: 30,527,689 km (0.094 R)
• M48: 30,994,734 km (0.103 R)
• M49: 32,125,395 km (0.071 R)
• M50: 32,315,085 km (0.073 R)
• M51: 32,505,224 km (0.056 R)
• M52: 33,365,411 km (0.094 R)
• M53: 34,330,019 km (0.046 R)
• M54: 35,990,555 km (0.077 R)
• M55: 36,781,030 km (0.106 R)
• M56: 38,479,863 km (0.094 R)
• M57: 39,085,436 km (0.051 R)
• M58: 39,389,419 km (0.12 R)
• M59: 44,253,593 km (0.074 R)
• M60: 44,464,676 km (0.114 R)
• M61: 45,312,597 km (0.109 R)
• M62: 45,418,961 km (0.093 R)
• M63: 45,845,315 km (0.083 R)
• M64: 45,952,128 km (0.075 R)
• M65: 47,563,745 km (0.104 R)
• M66: 47,888,373 km (0.116 R)
• M67: 51,951,152 km (0.059 R)
• M68: 53,404,794 km (0.098 R)
• M69: 53,854,635 km (0.061 R)
• M70: 54,871,601 km (0.107 R)
• M71: 55,666,864 km (0.062 R)
• M72: 56,123,137 km (0.026 R)
• M73: 57,039,125 km (0.115 R)
• M74: 58,422,606 km (0.075 R)
• M75: 62,047,063 km (0.047 R)
• M76: 62,165,246 km (0.097 R)
• M77: 65,743,776 km (0.059 R)
• M78: 65,864,203 km (0.103 R)
• M79: 66,588,406 km (0.075 R)
• M80: 67,557,950 km (0.079 R)
• M81: 68,776,574 km (0.095 R)
• M82: 68,898,795 km (0.107 R)
• M83: 69,266,058 km (0.105 R)
• M84: 74,600,269 km (0.08 R)
• M85: 76,999,071 km (0.048 R)
• M86: 78,016,636 km (0.094 R)
• M87: 80,193,584 km (0.053 R)
• M88: 80,708,799 km (0.083 R)
• M89: 82,520,429 km (0.105 R)
• M90: 83,953,278 km (0.032 R)
• M91: 87,637,425 km (0.093 R)
• M92: 88,566,577 km (0.11 R)

Kuiper Belt

Range: 30.8 - 53.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 18,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit