🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.83 AU - 0.95 AU

Year: 323 Days

Day: 27.3 Hours

Environment

Temp: 16 °C

Axial Tilt: 24.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.07 AU - 1.35 AU

Year: 512 Days

Day: 36.4 Hours

Environment

Temp: -37 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.2 AU - 1.92 AU

Year: 750 Days

Day: 39.4 Hours

Environment

Temp: -60 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.47 AU - 2.45 AU

Year: 1056 Days

Day: 26.5 Hours

Environment

Temp: -87 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 61,781,104 km

• M1: 258,655 km (0.056 R)
• M2: 438,471 km (0.096 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.63 AU - 3.13 AU

Year: 1882 Days

Day: 17.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,781,104 km

• M1: 1,574,069 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32

Radius: 14

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.61 AU - 4.89 AU

Year: 3373 Days

Day: 7.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,781,104 km

• M1: 186,249 km (0.097 R)
• M2: 369,956 km (0.078 R)
• M3: 501,901 km (0.097 R)
• M4: 612,454 km (0.05 R)
• M5: 708,196 km (0.066 R)
• M6: 901,327 km (0.089 R)
• M7: 1,025,194 km (0.086 R)
• M8: 1,149,211 km (0.11 R)
• M9: 1,316,910 km (0.043 R)
• M10: 1,440,179 km (0.087 R)
• M11: 2,040,066 km (0.12 R)
• M12: 2,324,601 km (0.119 R)
• M13: 2,721,335 km (0.11 R)
• M14: 2,838,769 km (0.08 R)
• M15: 2,966,526 km (0.105 R)
• M16: 3,201,544 km (0.089 R)
• M17: 3,478,898 km (0.095 R)
• M18: 3,680,556 km (0.095 R)
• M19: 3,801,731 km (0.081 R)
• M20: 3,924,102 km (0.086 R)
• M21: 4,028,820 km (0.089 R)
• M22: 4,134,436 km (0.115 R)
• M23: 4,606,118 km (0.118 R)
• M24: 4,787,581 km (0.098 R)
• M25: 5,272,577 km (0.094 R)
• M26: 5,441,473 km (0.069 R)
• M27: 6,079,358 km (0.094 R)
• M28: 6,491,650 km (0.114 R)
• M29: 6,729,810 km (0.062 R)
• M30: 7,132,976 km (0.062 R)
• M31: 7,237,994 km (0.08 R)
• M32: 7,367,097 km (0.103 R)
• M33: 7,615,579 km (0.109 R)
• M34: 7,890,988 km (0.105 R)
• M35: 8,157,422 km (0.112 R)
• M36: 8,279,644 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.1

Radius: 12.6

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.85 AU - 11.01 AU

Year: 12969 Days

Day: 8.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 61,781,104 km

• M1: 185,352 km (0.036 R)
• M2: 305,479 km (0.094 R)
• M3: 493,075 km (0.084 R)
• M4: 845,677 km (0.099 R)
• M5: 1,397,244 km (0.084 R)
• M6: 1,577,360 km (0.046 R)
• M7: 1,738,028 km (0.117 R)
• M8: 1,820,606 km (0.074 R)
• M9: 2,435,603 km (0.112 R)
• M10: 2,559,919 km (0.07 R)
• M11: 3,247,471 km (0.064 R)
• M12: 3,384,801 km (0.088 R)
• M13: 3,808,612 km (0.11 R)
• M14: 4,174,828 km (0.029 R)
• M15: 4,591,009 km (0.059 R)
• M16: 5,260,310 km (0.061 R)
• M17: 5,381,783 km (0.056 R)
• M18: 5,876,504 km (0.112 R)
• M19: 6,300,165 km (0.114 R)
• M20: 7,538,536 km (0.068 R)
• M21: 7,767,570 km (0.06 R)
• M22: 8,185,547 km (0.075 R)
• M23: 9,980,422 km (0.097 R)
• M24: 10,741,726 km (0.082 R)
• M25: 10,999,632 km (0.085 R)
• M26: 12,319,983 km (0.097 R)
• M27: 12,481,848 km (0.08 R)
• M28: 12,698,765 km (0.104 R)
• M29: 13,301,495 km (0.066 R)
• M30: 13,523,049 km (0.084 R)
• M31: 13,913,649 km (0.078 R)
• M32: 14,763,365 km (0.106 R)
• M33: 15,688,179 km (0.083 R)
• M34: 16,810,612 km (0.075 R)
• M35: 18,450,055 km (0.119 R)
• M36: 18,697,191 km (0.058 R)
• M37: 20,267,071 km (0.081 R)
• M38: 20,714,219 km (0.054 R)
• M39: 22,009,587 km (0.084 R)
• M40: 22,469,151 km (0.053 R)
• M41: 23,331,134 km (0.042 R)
• M42: 24,136,420 km (0.078 R)
• M43: 24,882,614 km (0.087 R)
• M44: 25,843,182 km (0.078 R)
• M45: 26,328,028 km (0.049 R)
• M46: 26,467,154 km (0.051 R)
• M47: 27,236,387 km (0.087 R)
• M48: 28,797,141 km (0.06 R)
• M49: 29,877,836 km (0.074 R)
• M50: 30,168,206 km (0.108 R)
• M51: 30,459,622 km (0.03 R)
• M52: 33,274,007 km (0.12 R)
• M53: 33,877,036 km (0.026 R)
• M54: 35,017,421 km (0.084 R)
• M55: 35,707,815 km (0.051 R)
• M56: 37,648,698 km (0.097 R)
• M57: 38,592,660 km (0.103 R)
• M58: 40,022,966 km (0.055 R)
• M59: 41,875,735 km (0.08 R)
• M60: 41,956,967 km (0.052 R)
• M61: 43,838,758 km (0.068 R)
• M62: 45,414,024 km (0.111 R)
• M63: 45,999,101 km (0.087 R)
• M64: 48,961,588 km (0.092 R)
• M65: 49,218,447 km (0.111 R)
• M66: 49,389,887 km (0.052 R)
• M67: 50,681,963 km (0.082 R)
• M68: 51,288,882 km (0.034 R)
• M69: 51,375,649 km (0.089 R)
• M70: 52,072,625 km (0.118 R)
• M71: 53,035,886 km (0.088 R)
• M72: 53,916,718 km (0.072 R)
• M73: 54,713,476 km (0.091 R)
• M74: 54,980,060 km (0.076 R)
• M75: 55,514,274 km (0.046 R)
• M76: 56,229,352 km (0.048 R)
• M77: 56,318,961 km (0.098 R)
• M78: 57,307,653 km (0.066 R)
• M79: 57,668,633 km (0.037 R)
• M80: 57,758,990 km (0.083 R)
• M81: 57,849,347 km (0.046 R)
• M82: 57,939,854 km (0.117 R)
• M83: 58,302,030 km (0.089 R)
• M84: 58,756,060 km (0.053 R)
• M85: 59,576,006 km (0.09 R)
• M86: 61,411,721 km (0.104 R)
• M87: 61,688,627 km (0.112 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 17,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit