🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.87 AU - 0.91 AU

Year: 304 Days

Day: 38.9 Hours

Environment

Temp: 86 °C

Axial Tilt: 27.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 58,658,047 km

• M1: 36,951 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.91 AU - 1.27 AU

Year: 412 Days

Day: 23 Hours

Environment

Temp: 22 °C

Axial Tilt: 18.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 58,658,047 km

• M1: 591,211 km (0.051 R)
• M2: 967,599 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.11 AU - 1.5 AU

Year: 536 Days

Day: 46.1 Hours

Environment

Temp: -12 °C

Axial Tilt: 8.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 58,658,047 km

• M1: 76,295 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.25 AU - 1.41 AU

Year: 555 Days

Day: 18.8 Hours

Environment

Temp: 0 °C

Axial Tilt: 27.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 58,658,047 km

• M1: 425,905 km (0.09 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.64 AU - 1.66 AU

Year: 767 Days

Day: 29.9 Hours

Environment

Temp: -46 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,658,047 km

• M1: 44,281 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.46 AU - 2.34 AU

Year: 947 Days

Day: 24.7 Hours

Environment

Temp: -61 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,658,047 km

• M1: 1,054,067 km (0.049 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.82 AU - 2.36 AU

Year: 1093 Days

Day: 33.9 Hours

Environment

Temp: -78 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.98 AU - 2.68 AU

Year: 1286 Days

Day: 29.7 Hours

Environment

Temp: -81 °C

Axial Tilt: 170 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.6

Radius: 10.9

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.62 AU - 11.58 AU

Year: 10757 Days

Day: 11 Hours

Environment

Temp: -171 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 58,658,047 km

• M1: 232,325 km (0.106 R)
• M2: 335,997 km (0.058 R)
• M3: 462,108 km (0.096 R)
• M4: 909,705 km (0.038 R)
• M5: 1,117,646 km (0.107 R)
• M6: 1,258,268 km (0.119 R)
• M7: 1,469,799 km (0.105 R)
• M8: 1,602,492 km (0.079 R)
• M9: 1,716,187 km (0.118 R)
• M10: 1,856,210 km (0.048 R)
• M11: 1,927,718 km (0.087 R)
• M12: 2,073,726 km (0.101 R)
• M13: 2,507,260 km (0.112 R)
• M14: 2,694,108 km (0.059 R)
• M15: 2,803,015 km (0.079 R)
• M16: 2,913,269 km (0.114 R)
• M17: 3,398,714 km (0.06 R)
• M18: 3,576,137 km (0.099 R)
• M19: 3,756,702 km (0.067 R)
• M20: 4,606,118 km (0.06 R)
• M21: 5,652,256 km (0.091 R)
• M22: 5,792,579 km (0.074 R)
• M23: 7,106,348 km (0.116 R)
• M24: 7,181,895 km (0.092 R)
• M25: 7,680,055 km (0.095 R)
• M26: 8,348,459 km (0.064 R)
• M27: 9,282,249 km (0.095 R)
• M28: 9,489,741 km (0.061 R)
• M29: 9,614,805 km (0.04 R)
• M30: 10,249,100 km (0.104 R)
• M31: 10,853,176 km (0.042 R)
• M32: 10,984,074 km (0.046 R)
• M33: 11,380,209 km (0.115 R)
• M34: 11,870,741 km (0.081 R)
• M35: 12,095,885 km (0.096 R)
• M36: 12,277,198 km (0.055 R)
• M37: 13,289,976 km (0.042 R)
• M38: 13,617,745 km (0.117 R)
• M39: 13,711,991 km (0.104 R)
• M40: 14,043,201 km (0.098 R)
• M41: 14,665,528 km (0.096 R)
• M42: 17,396,736 km (0.087 R)
• M43: 18,116,601 km (0.116 R)
• M44: 18,324,094 km (0.071 R)
• M45: 19,109,183 km (0.041 R)
• M46: 19,320,415 km (0.064 R)
• M47: 19,745,124 km (0.106 R)
• M48: 20,603,816 km (0.099 R)
• M49: 20,711,975 km (0.082 R)
• M50: 20,874,737 km (0.117 R)
• M51: 22,191,199 km (0.119 R)
• M52: 22,859,602 km (0.066 R)
• M53: 23,478,039 km (0.119 R)
• M54: 24,216,006 km (0.108 R)
• M55: 25,192,581 km (0.038 R)
• M56: 28,499,442 km (0.114 R)
• M57: 29,652,093 km (0.119 R)
• M58: 30,264,996 km (0.075 R)
• M59: 32,191,068 km (0.104 R)
• M60: 35,899,899 km (0.109 R)
• M61: 37,605,913 km (0.096 R)
• M62: 38,202,509 km (0.083 R)
• M63: 38,802,397 km (0.074 R)
• M64: 39,606,934 km (0.072 R)
• M65: 41,642,512 km (0.116 R)
• M66: 42,259,753 km (0.118 R)
• M67: 42,535,163 km (0.053 R)
• M68: 42,673,092 km (0.101 R)
• M69: 43,364,683 km (0.101 R)
• M70: 43,920,738 km (0.094 R)
• M71: 44,129,726 km (0.06 R)
• M72: 45,250,663 km (0.044 R)
• M73: 46,239,056 km (0.095 R)
• M74: 46,522,694 km (0.041 R)
• M75: 46,949,347 km (0.077 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.4

Radius: 10.2

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.01 AU - 11.07 AU

Year: 11505 Days

Day: 12.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 58,658,047 km

• M1: 154,086 km (0.102 R)
• M2: 256,560 km (0.077 R)
• M3: 401,072 km (0.096 R)
• M4: 704,307 km (0.077 R)
• M5: 1,164,769 km (0.04 R)
• M6: 1,377,497 km (0.103 R)
• M7: 2,350,183 km (0.033 R)
• M8: 2,651,772 km (0.087 R)
• M9: 2,997,941 km (0.118 R)
• M10: 3,258,840 km (0.088 R)
• M11: 3,561,327 km (0.082 R)
• M12: 3,767,922 km (0.116 R)
• M13: 3,837,784 km (0.094 R)
• M14: 4,157,325 km (0.068 R)
• M15: 4,411,791 km (0.11 R)
• M16: 4,671,493 km (0.12 R)
• M17: 5,519,862 km (0.078 R)
• M18: 6,125,434 km (0.056 R)
• M19: 6,207,863 km (0.094 R)
• M20: 6,625,241 km (0.063 R)
• M21: 6,922,791 km (0.113 R)
• M22: 7,224,829 km (0.037 R)
• M23: 8,659,922 km (0.107 R)
• M24: 9,362,433 km (0.108 R)
• M25: 9,744,506 km (0.051 R)
• M26: 9,840,847 km (0.096 R)
• M27: 10,180,584 km (0.062 R)
• M28: 11,679,704 km (0.057 R)
• M29: 11,884,653 km (0.094 R)
• M30: 12,822,333 km (0.099 R)
• M31: 13,033,864 km (0.05 R)
• M32: 13,406,961 km (0.107 R)
• M33: 13,729,494 km (0.116 R)
• M34: 15,101,157 km (0.074 R)
• M35: 15,380,606 km (0.069 R)
• M36: 16,286,720 km (0.083 R)
• M37: 18,507,052 km (0.089 R)
• M38: 19,167,377 km (0.059 R)
• M39: 19,652,523 km (0.074 R)
• M40: 20,080,223 km (0.079 R)
• M41: 20,203,043 km (0.098 R)
• M42: 20,326,162 km (0.107 R)
• M43: 21,319,342 km (0.092 R)
• M44: 22,710,902 km (0.1 R)
• M45: 23,031,191 km (0.102 R)
• M46: 23,095,518 km (0.087 R)
• M47: 23,482,228 km (0.115 R)
• M48: 23,611,630 km (0.098 R)
• M49: 23,871,033 km (0.115 R)
• M50: 24,458,354 km (0.065 R)
• M51: 25,050,463 km (0.108 R)
• M52: 27,058,066 km (0.117 R)
• M53: 29,744,395 km (0.107 R)
• M54: 30,517,218 km (0.053 R)
• M55: 30,587,828 km (0.094 R)
• M56: 31,367,981 km (0.045 R)
• M57: 31,439,189 km (0.111 R)
• M58: 31,653,264 km (0.053 R)
• M59: 32,011,102 km (0.061 R)
• M60: 32,658,562 km (0.068 R)
• M61: 33,020,140 km (0.068 R)
• M62: 33,383,064 km (0.07 R)
• M63: 34,553,368 km (0.069 R)
• M64: 35,291,634 km (0.09 R)
• M65: 37,235,209 km (0.119 R)
• M66: 39,674,702 km (0.093 R)
• M67: 40,292,690 km (0.088 R)
• M68: 40,758,239 km (0.047 R)
• M69: 43,191,748 km (0.038 R)
• M70: 43,271,035 km (0.097 R)
• M71: 43,907,125 km (0.051 R)
• M72: 44,466,172 km (0.103 R)
• M73: 44,706,426 km (0.074 R)
• M74: 44,947,279 km (0.103 R)
• M75: 45,833,646 km (0.061 R)
• M76: 46,725,848 km (0.118 R)
• M77: 47,215,033 km (0.082 R)
• M78: 47,542,054 km (0.061 R)
• M79: 48,527,455 km (0.068 R)
• M80: 50,435,127 km (0.11 R)
• M81: 51,692,497 km (0.046 R)
• M82: 55,612,260 km (0.048 R)
• M83: 56,650,320 km (0.104 R)
• M84: 56,824,003 km (0.118 R)
• M85: 58,132,087 km (0.119 R)
• M86: 58,394,781 km (0.078 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 10,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit