🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.78 AU - 0.98 AU

Year: 316 Days

Day: 22.8 Hours

Environment

Temp: 10 °C

Axial Tilt: 44.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 53,863,316 km

• M1: 562,488 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.98 AU - 1.04 AU

Year: 389 Days

Day: 18.2 Hours

Environment

Temp: 1 °C

Axial Tilt: 48.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 53,863,316 km

• M1: 123,269 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.58 AU - 1.98 AU

Year: 909 Days

Day: 18.5 Hours

Environment

Temp: -79 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,863,316 km

• M1: 1,511,686 km (0.074 R)
• M2: 1,556,416 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.86 AU - 2.18 AU

Year: 1099 Days

Day: 22.4 Hours

Environment

Temp: -83 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,863,316 km

• M1: 1,096,552 km (0.025 R)
• M2: 1,365,978 km (0.051 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.16 AU - 2.76 AU

Year: 1477 Days

Day: 47.5 Hours

Environment

Temp: -102 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,863,316 km

• M1: 2,115,164 km (0.111 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.58 AU - 3.94 AU

Year: 2254 Days

Day: 15.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.75 AU - 4.29 AU

Year: 2529 Days

Day: 47.2 Hours

Environment

Temp: -117 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.21 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.6

Radius: 8.1

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.37 AU - 10.41 AU

Year: 10149 Days

Day: 10 Hours

Environment

Temp: -167 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 53,863,316 km

• M1: 165,006 km (0.088 R)
• M2: 556,953 km (0.077 R)
• M3: 660,325 km (0.093 R)
• M4: 921,523 km (0.095 R)
• M5: 1,233,285 km (0.091 R)
• M6: 1,391,260 km (0.043 R)
• M7: 1,619,247 km (0.083 R)
• M8: 2,041,113 km (0.092 R)
• M9: 2,349,135 km (0.093 R)
• M10: 3,469,324 km (0.111 R)
• M11: 3,923,204 km (0.03 R)
• M12: 4,010,420 km (0.119 R)
• M13: 4,098,234 km (0.113 R)
• M14: 4,395,784 km (0.048 R)
• M15: 4,486,440 km (0.078 R)
• M16: 5,043,243 km (0.101 R)
• M17: 5,753,235 km (0.029 R)
• M18: 6,667,128 km (0.113 R)
• M19: 6,876,266 km (0.112 R)
• M20: 7,194,162 km (0.081 R)
• M21: 7,589,100 km (0.1 R)
• M22: 7,844,164 km (0.096 R)
• M23: 8,139,171 km (0.105 R)
• M24: 8,250,771 km (0.059 R)
• M25: 9,238,716 km (0.089 R)
• M26: 9,589,373 km (0.12 R)
• M27: 10,626,984 km (0.115 R)
• M28: 10,789,746 km (0.088 R)
• M29: 11,407,436 km (0.092 R)
• M30: 11,574,088 km (0.112 R)
• M31: 11,657,713 km (0.036 R)
• M32: 11,741,638 km (0.087 R)
• M33: 11,825,712 km (0.101 R)
• M34: 12,248,924 km (0.105 R)
• M35: 12,806,625 km (0.08 R)
• M36: 13,241,207 km (0.069 R)
• M37: 13,636,444 km (0.086 R)
• M38: 13,857,849 km (0.11 R)
• M39: 13,946,710 km (0.069 R)
• M40: 14,124,881 km (0.088 R)
• M41: 14,348,829 km (0.077 R)
• M42: 14,528,796 km (0.103 R)
• M43: 15,302,067 km (0.053 R)
• M44: 15,995,453 km (0.099 R)
• M45: 16,135,327 km (0.083 R)
• M46: 16,557,492 km (0.027 R)
• M47: 16,888,253 km (0.029 R)
• M48: 17,269,129 km (0.073 R)
• M49: 17,412,594 km (0.096 R)
• M50: 18,039,259 km (0.12 R)
• M51: 18,575,119 km (0.098 R)
• M52: 19,017,629 km (0.087 R)
• M53: 19,165,731 km (0.097 R)
• M54: 19,612,879 km (0.107 R)
• M55: 19,962,938 km (0.088 R)
• M56: 20,113,583 km (0.113 R)
• M57: 20,314,942 km (0.083 R)
• M58: 20,618,476 km (0.113 R)
• M59: 22,366,228 km (0.1 R)
• M60: 22,470,647 km (0.062 R)
• M61: 22,627,276 km (0.098 R)
• M62: 23,099,706 km (0.112 R)
• M63: 23,787,857 km (0.091 R)
• M64: 24,000,884 km (0.103 R)
• M65: 24,536,295 km (0.095 R)
• M66: 24,697,711 km (0.093 R)
• M67: 25,129,899 km (0.099 R)
• M68: 26,331,170 km (0.109 R)
• M69: 26,938,837 km (0.027 R)
• M70: 28,675,967 km (0.104 R)
• M71: 29,016,452 km (0.053 R)
• M72: 29,073,299 km (0.057 R)
• M73: 29,187,143 km (0.115 R)
• M74: 29,701,161 km (0.12 R)
• M75: 30,391,406 km (0.097 R)
• M76: 30,506,895 km (0.11 R)
• M77: 30,738,473 km (0.108 R)
• M78: 30,912,455 km (0.12 R)
• M79: 32,789,011 km (0.11 R)
• M80: 35,855,169 km (0.092 R)
• M81: 35,977,241 km (0.099 R)
• M82: 36,467,024 km (0.097 R)
• M83: 36,835,783 km (0.113 R)
• M84: 40,463,980 km (0.115 R)
• M85: 40,782,025 km (0.053 R)
• M86: 41,292,603 km (0.109 R)
• M87: 42,191,387 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.5

Radius: 14.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.25 AU - 10.05 AU

Year: 10597 Days

Day: 11.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 53,863,316 km

• M1: 245,939 km (0.047 R)
• M2: 409,150 km (0.073 R)
• M3: 597,494 km (0.073 R)
• M4: 748,588 km (0.096 R)
• M5: 953,387 km (0.1 R)
• M6: 1,264,700 km (0.092 R)
• M7: 1,444,517 km (0.052 R)
• M8: 1,537,866 km (0.073 R)
• M9: 2,089,284 km (0.102 R)
• M10: 2,196,097 km (0.115 R)
• M11: 2,443,382 km (0.063 R)
• M12: 2,935,858 km (0.1 R)
• M13: 3,365,055 km (0.095 R)
• M14: 3,523,329 km (0.107 R)
• M15: 3,847,358 km (0.116 R)
• M16: 4,700,066 km (0.071 R)
• M17: 4,913,392 km (0.117 R)
• M18: 5,021,402 km (0.098 R)
• M19: 5,572,820 km (0.108 R)
• M20: 5,913,005 km (0.116 R)
• M21: 6,338,312 km (0.108 R)
• M22: 7,341,665 km (0.09 R)
• M23: 7,715,061 km (0.092 R)
• M24: 8,394,236 km (0.084 R)
• M25: 8,916,332 km (0.103 R)
• M26: 9,092,858 km (0.093 R)
• M27: 9,359,591 km (0.108 R)
• M28: 10,732,301 km (0.095 R)
• M29: 11,014,442 km (0.09 R)
• M30: 11,156,411 km (0.117 R)
• M31: 11,682,247 km (0.12 R)
• M32: 12,510,870 km (0.11 R)
• M33: 12,807,971 km (0.102 R)
• M34: 13,358,641 km (0.111 R)
• M35: 13,814,915 km (0.115 R)
• M36: 14,224,813 km (0.047 R)
• M37: 15,797,685 km (0.111 R)
• M38: 16,065,166 km (0.115 R)
• M39: 16,931,337 km (0.106 R)
• M40: 18,146,970 km (0.07 R)
• M41: 18,427,167 km (0.095 R)
• M42: 19,048,746 km (0.087 R)
• M43: 19,907,437 km (0.067 R)
• M44: 20,370,592 km (0.091 R)
• M45: 21,189,790 km (0.08 R)
• M46: 21,781,450 km (0.115 R)
• M47: 22,739,475 km (0.113 R)
• M48: 23,589,041 km (0.11 R)
• M49: 24,387,295 km (0.069 R)
• M50: 25,947,152 km (0.08 R)
• M51: 27,410,519 km (0.062 R)
• M52: 27,539,173 km (0.075 R)
• M53: 28,249,613 km (0.095 R)
• M54: 29,097,085 km (0.092 R)
• M55: 29,425,303 km (0.078 R)
• M56: 30,151,600 km (0.079 R)
• M57: 31,487,360 km (0.1 R)
• M58: 32,026,959 km (0.114 R)
• M59: 33,184,099 km (0.096 R)
• M60: 34,424,116 km (0.114 R)
• M61: 34,840,746 km (0.068 R)
• M62: 35,609,080 km (0.114 R)
• M63: 35,819,565 km (0.109 R)
• M64: 36,030,498 km (0.058 R)
• M65: 36,171,419 km (0.102 R)
• M66: 36,665,840 km (0.101 R)
• M67: 37,661,414 km (0.105 R)
• M68: 38,737,920 km (0.11 R)
• M69: 38,882,282 km (0.077 R)
• M70: 40,701,093 km (0.08 R)
• M71: 41,436,516 km (0.116 R)
• M72: 42,622,079 km (0.073 R)
• M73: 45,558,685 km (0.103 R)
• M74: 45,710,976 km (0.067 R)
• M75: 46,475,271 km (0.088 R)
• M76: 47,475,183 km (0.066 R)
• M77: 47,706,911 km (0.057 R)
• M78: 48,559,918 km (0.095 R)
• M79: 49,105,351 km (0.114 R)
• M80: 49,261,532 km (0.12 R)
• M81: 49,496,251 km (0.096 R)
• M82: 49,652,880 km (0.06 R)
• M83: 50,438,568 km (0.069 R)
• M84: 50,832,908 km (0.097 R)
• M85: 51,228,295 km (0.05 R)
• M86: 51,386,719 km (0.113 R)
• M87: 52,340,705 km (0.092 R)
• M88: 52,580,211 km (0.078 R)
• M89: 53,541,527 km (0.111 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: 195 - 15,860 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit