🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.53 AU - 0.69 AU

Year: 170 Days

Day: 28.4 Hours

Environment

Temp: 242 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 53,357,302 km

• M1: 39,943 km (0.102 R)
• M2: 301,440 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.71 AU - 0.85 AU

Year: 246 Days

Day: 40.8 Hours

Environment

Temp: 144 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 53,357,302 km

• M1: 29,172 km (0.095 R)
• M2: 368,759 km (0.064 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.26 AU - 1.3 AU

Year: 516 Days

Day: 18.5 Hours

Environment

Temp: 2 °C

Axial Tilt: 7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 53,357,302 km

• M1: 414,685 km (0.097 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.04 AU - 1.7 AU

Year: 572 Days

Day: 15.9 Hours

Environment

Temp: -15 °C

Axial Tilt: 13.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 53,357,302 km

• M1: 658,679 km (0.027 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.26 AU - 2.04 AU

Year: 755 Days

Day: 32.8 Hours

Environment

Temp: -39 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,357,302 km

• M1: 1,228,498 km (0.105 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.28 AU - 2.42 AU

Year: 1284 Days

Day: 26.1 Hours

Environment

Temp: -69 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.5

Radius: 8.5

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 9.17 AU - 9.97 AU

Year: 10553 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,357,302 km

• M1: 119,379 km (0.07 R)
• M2: 338,091 km (0.085 R)
• M3: 579,841 km (0.118 R)
• M4: 995,723 km (0.083 R)
• M5: 1,244,953 km (0.12 R)
• M6: 1,625,082 km (0.104 R)
• M7: 1,835,566 km (0.106 R)
• M8: 2,196,845 km (0.091 R)
• M9: 2,421,690 km (0.087 R)
• M10: 5,782,406 km (0.078 R)
• M11: 5,947,563 km (0.083 R)
• M12: 7,207,476 km (0.104 R)
• M13: 9,537,911 km (0.057 R)
• M14: 9,707,855 km (0.111 R)
• M15: 10,580,309 km (0.066 R)
• M16: 10,804,407 km (0.101 R)
• M17: 12,294,402 km (0.116 R)
• M18: 13,225,050 km (0.071 R)
• M19: 15,296,233 km (0.11 R)
• M20: 16,277,894 km (0.063 R)
• M21: 18,806,547 km (0.111 R)
• M22: 25,722,007 km (0.091 R)
• M23: 26,494,531 km (0.103 R)
• M24: 27,350,231 km (0.089 R)
• M25: 30,301,498 km (0.052 R)
• M26: 30,605,032 km (0.113 R)
• M27: 33,166,596 km (0.104 R)
• M28: 33,325,170 km (0.094 R)
• M29: 33,803,135 km (0.057 R)
• M30: 37,160,709 km (0.052 R)
• M31: 37,496,706 km (0.049 R)
• M32: 38,514,121 km (0.099 R)
• M33: 40,152,966 km (0.118 R)
• M34: 43,170,954 km (0.119 R)
• M35: 45,367,349 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.3

Radius: 5.5

Gravity: 24.94 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 12.89 AU - 20.29 AU

Year: 24086 Days

Day: 17.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 53,357,302 km

• M1: 217,814 km (0.109 R)
• M2: 399,127 km (0.115 R)
• M3: 516,412 km (0.075 R)
• M4: 804,388 km (0.078 R)
• M5: 1,066,932 km (0.099 R)
• M6: 1,570,329 km (0.104 R)
• M7: 2,203,577 km (0.055 R)
• M8: 3,209,473 km (0.062 R)
• M9: 3,623,260 km (0.096 R)
• M10: 4,062,629 km (0.106 R)
• M11: 6,029,991 km (0.083 R)
• M12: 6,403,986 km (0.086 R)
• M13: 7,388,639 km (0.081 R)
• M14: 8,389,897 km (0.096 R)
• M15: 9,112,006 km (0.096 R)
• M16: 10,041,907 km (0.05 R)
• M17: 12,300,685 km (0.109 R)
• M18: 14,004,754 km (0.107 R)
• M19: 14,573,525 km (0.099 R)
• M20: 15,153,666 km (0.081 R)
• M21: 16,962,454 km (0.116 R)
• M22: 18,305,543 km (0.111 R)
• M23: 19,951,419 km (0.075 R)
• M24: 21,843,982 km (0.101 R)
• M25: 23,002,767 km (0.085 R)
• M26: 24,377,272 km (0.062 R)
• M27: 27,541,716 km (0.106 R)
• M28: 29,349,307 km (0.084 R)
• M29: 30,067,826 km (0.055 R)
• M30: 32,168,778 km (0.095 R)
• M31: 32,920,807 km (0.096 R)
• M32: 41,041,577 km (0.095 R)
• M33: 42,379,880 km (0.088 R)
• M34: 43,119,043 km (0.098 R)
• M35: 43,366,777 km (0.077 R)
• M36: 44,114,318 km (0.113 R)
• M37: 46,395,536 km (0.082 R)
• M38: 49,526,619 km (0.062 R)
• M39: 49,792,155 km (0.12 R)
• M40: 50,727,142 km (0.077 R)
• M41: 59,971,243 km (0.033 R)
• M42: 60,263,408 km (0.093 R)
• M43: 69,203,377 km (0.073 R)
• M44: 73,824,455 km (0.105 R)
• M45: 76,602,786 km (0.114 R)
• M46: 81,290,885 km (0.025 R)
• M47: 83,514,956 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.4

Radius: 5.8

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 13.64 AU - 19.92 AU

Year: 24501 Days

Day: 20.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,357,302 km

• M1: 304,282 km (0.043 R)
• M2: 2,140,147 km (0.117 R)
• M3: 2,535,235 km (0.111 R)
• M4: 2,793,740 km (0.091 R)
• M5: 3,985,437 km (0.048 R)
• M6: 5,192,841 km (0.099 R)
• M7: 5,325,834 km (0.098 R)
• M8: 5,769,840 km (0.064 R)
• M9: 5,910,163 km (0.114 R)
• M10: 8,343,971 km (0.11 R)
• M11: 9,073,111 km (0.109 R)
• M12: 10,766,708 km (0.116 R)
• M13: 11,249,461 km (0.114 R)
• M14: 12,451,480 km (0.081 R)
• M15: 12,813,806 km (0.111 R)
• M16: 13,393,497 km (0.06 R)
• M17: 15,495,198 km (0.101 R)
• M18: 17,323,733 km (0.096 R)
• M19: 18,307,638 km (0.086 R)
• M20: 19,705,032 km (0.086 R)
• M21: 19,964,584 km (0.064 R)
• M22: 23,002,617 km (0.091 R)
• M23: 25,074,847 km (0.101 R)
• M24: 25,588,417 km (0.093 R)
• M25: 25,884,321 km (0.109 R)
• M26: 26,706,661 km (0.046 R)
• M27: 28,858,177 km (0.083 R)
• M28: 30,205,156 km (0.03 R)
• M29: 36,427,381 km (0.032 R)
• M30: 41,617,978 km (0.104 R)
• M31: 43,425,120 km (0.084 R)
• M32: 44,003,765 km (0.066 R)
• M33: 45,270,859 km (0.075 R)
• M34: 47,657,094 km (0.099 R)
• M35: 51,980,922 km (0.08 R)
• M36: 53,250,858 km (0.031 R)

Kuiper Belt

Range: 30.8 - 46.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 16,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit