🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.57 AU - 0.69 AU

Year: 189 Days

Day: 22.8 Hours

Environment

Temp: 130 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,502,090 km

• M1: 477,516 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.11 AU - 1.49 AU

Year: 561 Days

Day: 19.3 Hours

Environment

Temp: -36 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.12

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.11 AU - 1.71 AU

Year: 634 Days

Day: 27.6 Hours

Environment

Temp: -36 °C

Axial Tilt: 152.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,502,090 km

• M1: 309,668 km (0.091 R)
• M2: 572,511 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.35 AU - 1.99 AU

Year: 817 Days

Day: 30.7 Hours

Environment

Temp: -64 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,502,090 km

• M1: 40,691 km (0.095 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.86 AU - 2.16 AU

Year: 1079 Days

Day: 42.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.18 AU - 2.64 AU

Year: 1417 Days

Day: 20.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.9

Radius: 9.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.51 AU - 5.61 AU

Year: 3688 Days

Day: 13.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 32,502,090 km

• M1: 132,095 km (0.101 R)
• M2: 199,863 km (0.088 R)
• M3: 273,465 km (0.054 R)
• M4: 398,678 km (0.096 R)
• M5: 486,492 km (0.086 R)
• M6: 591,061 km (0.099 R)
• M7: 814,411 km (0.091 R)
• M8: 1,364,632 km (0.117 R)
• M9: 1,479,224 km (0.09 R)
• M10: 1,610,271 km (0.088 R)
• M11: 1,941,032 km (0.082 R)
• M12: 2,041,413 km (0.112 R)
• M13: 2,158,548 km (0.104 R)
• M14: 2,323,255 km (0.101 R)
• M15: 2,507,709 km (0.069 R)
• M16: 2,633,371 km (0.07 R)
• M17: 2,907,435 km (0.055 R)
• M18: 3,039,679 km (0.081 R)
• M19: 3,123,304 km (0.082 R)
• M20: 3,396,320 km (0.048 R)
• M21: 3,465,883 km (0.118 R)
• M22: 3,766,426 km (0.056 R)
• M23: 4,020,443 km (0.119 R)
• M24: 4,621,976 km (0.073 R)
• M25: 4,835,153 km (0.106 R)
• M26: 4,913,542 km (0.082 R)
• M27: 4,992,380 km (0.073 R)
• M28: 5,231,438 km (0.08 R)
• M29: 5,433,395 km (0.075 R)
• M30: 5,886,975 km (0.08 R)
• M31: 6,012,787 km (0.112 R)
• M32: 6,633,618 km (0.084 R)
• M33: 6,896,611 km (0.108 R)
• M34: 7,342,263 km (0.115 R)
• M35: 7,523,277 km (0.108 R)
• M36: 8,975,124 km (0.107 R)
• M37: 9,168,704 km (0.06 R)
• M38: 9,782,504 km (0.099 R)
• M39: 9,981,619 km (0.052 R)
• M40: 10,562,058 km (0.025 R)
• M41: 10,689,665 km (0.118 R)
• M42: 10,817,721 km (0.113 R)
• M43: 10,972,106 km (0.047 R)
• M44: 11,127,239 km (0.106 R)
• M45: 11,518,438 km (0.09 R)
• M46: 11,967,082 km (0.118 R)
• M47: 12,367,854 km (0.11 R)
• M48: 12,448,488 km (0.117 R)
• M49: 12,963,403 km (0.069 R)
• M50: 13,237,317 km (0.116 R)
• M51: 13,374,947 km (0.097 R)
• M52: 13,762,855 km (0.1 R)
• M53: 13,958,229 km (0.107 R)
• M54: 14,267,149 km (0.075 R)
• M55: 14,720,430 km (0.044 R)
• M56: 14,834,574 km (0.068 R)
• M57: 14,977,589 km (0.108 R)
• M58: 15,932,921 km (0.053 R)
• M59: 16,226,283 km (0.052 R)
• M60: 16,580,680 km (0.107 R)
• M61: 16,669,691 km (0.107 R)
• M62: 17,508,037 km (0.081 R)
• M63: 18,237,626 km (0.093 R)
• M64: 18,575,268 km (0.099 R)
• M65: 18,791,288 km (0.116 R)
• M66: 18,977,088 km (0.057 R)
• M67: 19,569,496 km (0.09 R)
• M68: 19,663,443 km (0.054 R)
• M69: 20,294,597 km (0.086 R)
• M70: 20,517,049 km (0.102 R)
• M71: 20,868,305 km (0.094 R)
• M72: 20,932,332 km (0.103 R)
• M73: 21,253,669 km (0.119 R)
• M74: 21,447,248 km (0.089 R)
• M75: 21,609,113 km (0.098 R)
• M76: 21,673,889 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.1

Radius: 12.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.35 AU - 10.13 AU

Year: 8959 Days

Day: 9.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 32,502,090 km

• M1: 171,888 km (0.091 R)
• M2: 354,248 km (0.115 R)
• M3: 511,176 km (0.075 R)
• M4: 623,973 km (0.079 R)
• M5: 708,795 km (0.084 R)
• M6: 864,975 km (0.074 R)
• M7: 947,852 km (0.091 R)
• M8: 1,062,893 km (0.066 R)
• M9: 1,405,322 km (0.111 R)
• M10: 1,658,891 km (0.064 R)
• M11: 1,946,119 km (0.072 R)
• M12: 2,096,016 km (0.07 R)
• M13: 2,328,042 km (0.115 R)
• M14: 2,548,400 km (0.072 R)
• M15: 2,817,825 km (0.117 R)
• M16: 3,206,331 km (0.107 R)
• M17: 3,429,681 km (0.06 R)
• M18: 3,658,266 km (0.115 R)
• M19: 4,058,441 km (0.115 R)
• M20: 4,647,557 km (0.104 R)
• M21: 4,875,395 km (0.047 R)
• M22: 5,316,110 km (0.084 R)
• M23: 5,581,347 km (0.068 R)
• M24: 5,688,758 km (0.113 R)
• M25: 5,905,526 km (0.119 R)
• M26: 6,069,934 km (0.074 R)
• M27: 6,799,822 km (0.079 R)
• M28: 7,059,075 km (0.09 R)
• M29: 7,146,290 km (0.054 R)
• M30: 9,058,001 km (0.072 R)
• M31: 9,567,532 km (0.119 R)
• M32: 9,664,172 km (0.052 R)
• M33: 10,086,487 km (0.099 R)
• M34: 10,217,684 km (0.12 R)
• M35: 10,815,028 km (0.119 R)
• M36: 10,949,367 km (0.109 R)
• M37: 11,732,363 km (0.051 R)
• M38: 11,870,441 km (0.111 R)
• M39: 12,182,951 km (0.09 R)
• M40: 12,674,680 km (0.056 R)
• M41: 13,352,358 km (0.106 R)
• M42: 13,532,623 km (0.085 R)
• M43: 14,298,714 km (0.084 R)
• M44: 15,078,867 km (0.081 R)
• M45: 15,949,227 km (0.115 R)
• M46: 16,719,357 km (0.096 R)
• M47: 17,344,228 km (0.084 R)
• M48: 17,580,443 km (0.098 R)
• M49: 18,056,313 km (0.086 R)
• M50: 18,175,842 km (0.082 R)
• M51: 18,335,762 km (0.105 R)
• M52: 18,858,756 km (0.091 R)
• M53: 19,182,935 km (0.105 R)
• M54: 19,509,058 km (0.082 R)
• M55: 19,754,848 km (0.087 R)
• M56: 21,082,978 km (0.1 R)
• M57: 21,377,386 km (0.03 R)
• M58: 22,568,484 km (0.107 R)
• M59: 22,869,625 km (0.059 R)
• M60: 23,215,495 km (0.05 R)
• M61: 23,345,645 km (0.079 R)
• M62: 23,868,639 km (0.05 R)
• M63: 23,956,154 km (0.087 R)
• M64: 25,015,008 km (0.11 R)
• M65: 25,237,460 km (0.116 R)
• M66: 26,995,534 km (0.11 R)
• M67: 27,728,265 km (0.099 R)
• M68: 28,886,152 km (0.051 R)
• M69: 29,400,619 km (0.084 R)
• M70: 29,494,417 km (0.044 R)
• M71: 30,391,256 km (0.063 R)
• M72: 31,057,715 km (0.117 R)
• M73: 31,296,922 km (0.077 R)
• M74: 31,680,939 km (0.073 R)
• M75: 31,825,301 km (0.09 R)
• M76: 32,259,883 km (0.094 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: 382 - 15,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit