🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.54 AU - 0.8 AU

Year: 197 Days

Day: 16.9 Hours

Environment

Temp: 132 °C

Axial Tilt: 39 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 115,446,539 km

• M1: 286,929 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.85 AU - 1.25 AU

Year: 387 Days

Day: 34.5 Hours

Environment

Temp: 22 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 115,446,539 km

• M1: 40,840 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.54 AU - 1.74 AU

Year: 756 Days

Day: 30.7 Hours

Environment

Temp: -31 °C

Axial Tilt: 78.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 115,446,539 km

• M1: 604,226 km (0.075 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.76 AU - 2.8 AU

Year: 1668 Days

Day: 23.9 Hours

Environment

Temp: -90 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.21 AU - 3.53 AU

Year: 2226 Days

Day: 41.8 Hours

Environment

Temp: -106 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 115,446,539 km

• M1: 424,858 km (0.082 R)

Asteroid Belt

Center: 5.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.4

Radius: 9

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.1 AU - 8.96 AU

Year: 8966 Days

Day: 9.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 115,446,539 km

• M1: 114,293 km (0.074 R)
• M2: 430,393 km (0.104 R)
• M3: 749,785 km (0.11 R)
• M4: 1,202,019 km (0.11 R)
• M5: 1,582,446 km (0.11 R)
• M6: 2,589,689 km (0.059 R)
• M7: 4,413,586 km (0.102 R)
• M8: 5,444,166 km (0.055 R)
• M9: 6,300,763 km (0.076 R)
• M10: 6,828,993 km (0.089 R)
• M11: 7,209,121 km (0.097 R)
• M12: 7,713,266 km (0.095 R)
• M13: 8,164,005 km (0.1 R)
• M14: 9,201,017 km (0.089 R)
• M15: 9,665,219 km (0.068 R)
• M16: 11,534,445 km (0.081 R)
• M17: 11,925,493 km (0.093 R)
• M18: 17,207,495 km (0.081 R)
• M19: 18,371,367 km (0.077 R)
• M20: 19,175,754 km (0.08 R)
• M21: 20,639,869 km (0.074 R)
• M22: 25,395,435 km (0.068 R)
• M23: 29,634,889 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.4

Radius: 8.3

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 12.29 AU - 12.71 AU

Year: 15905 Days

Day: 11.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 115,446,539 km

• M1: 105,466 km (0.08 R)
• M2: 494,870 km (0.111 R)
• M3: 1,450,501 km (0.115 R)
• M4: 2,387,582 km (0.115 R)
• M5: 2,789,851 km (0.105 R)
• M6: 3,755,505 km (0.115 R)
• M7: 4,246,934 km (0.092 R)
• M8: 4,868,962 km (0.111 R)
• M9: 6,471,604 km (0.095 R)
• M10: 10,729,458 km (0.104 R)
• M11: 11,558,530 km (0.102 R)
• M12: 13,519,908 km (0.111 R)
• M13: 15,628,190 km (0.096 R)
• M14: 16,154,476 km (0.111 R)
• M15: 16,556,744 km (0.082 R)
• M16: 18,523,657 km (0.059 R)
• M17: 21,194,877 km (0.063 R)
• M18: 22,084,834 km (0.09 R)
• M19: 24,993,167 km (0.07 R)
• M20: 40,277,880 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.5

Radius: 4.6

Gravity: 28.28 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 15.96 AU - 15.96 AU

Year: 22947 Days

Day: 21.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 115,446,539 km

• M1: 57,146 km (0.109 R)
• M2: 224,247 km (0.079 R)
• M3: 448,644 km (0.033 R)
• M4: 612,304 km (0.067 R)
• M5: 826,977 km (0.027 R)
• M6: 1,039,107 km (0.036 R)
• M7: 3,414,571 km (0.062 R)
• M8: 4,158,222 km (0.109 R)
• M9: 4,428,546 km (0.119 R)
• M10: 7,610,792 km (0.084 R)
• M11: 9,089,417 km (0.086 R)
• M12: 9,719,374 km (0.107 R)
• M13: 10,316,868 km (0.092 R)
• M14: 17,093,053 km (0.075 R)
• M15: 17,785,990 km (0.093 R)
• M16: 18,407,420 km (0.067 R)
• M17: 18,951,507 km (0.114 R)
• M18: 19,506,366 km (0.081 R)
• M19: 21,633,348 km (0.053 R)
• M20: 22,341,245 km (0.081 R)
• M21: 23,803,116 km (0.063 R)
• M22: 24,017,041 km (0.12 R)
• M23: 24,666,595 km (0.111 R)
• M24: 25,550,718 km (0.101 R)
• M25: 27,616,665 km (0.086 R)
• M26: 29,544,383 km (0.109 R)
• M27: 29,791,518 km (0.102 R)
• M28: 33,263,685 km (0.079 R)
• M29: 34,205,852 km (0.113 R)
• M30: 39,633,562 km (0.036 R)
• M31: 41,459,853 km (0.037 R)
• M32: 41,925,102 km (0.105 R)
• M33: 47,781,859 km (0.101 R)
• M34: 48,464,474 km (0.097 R)
• M35: 48,636,063 km (0.12 R)
• M36: 52,697,047 km (0.104 R)
• M37: 54,345,765 km (0.072 R)
• M38: 60,884,538 km (0.101 R)
• M39: 72,539,409 km (0.115 R)
• M40: 76,421,623 km (0.108 R)
• M41: 79,720,855 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 933.4

Radius: 6.5

Gravity: 22.09 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 15.21 AU - 24.65 AU

Year: 32021 Days

Day: 19.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 115,446,539 km

• M1: 86,168 km (0.117 R)
• M2: 290,369 km (0.034 R)
• M3: 527,332 km (0.102 R)
• M4: 923,168 km (0.093 R)
• M5: 1,309,281 km (0.069 R)
• M6: 1,926,970 km (0.067 R)
• M7: 2,695,604 km (0.052 R)
• M8: 3,790,660 km (0.044 R)
• M9: 6,067,690 km (0.09 R)
• M10: 7,464,186 km (0.097 R)
• M11: 8,207,837 km (0.111 R)
• M12: 10,663,785 km (0.074 R)
• M13: 12,289,315 km (0.056 R)
• M14: 12,919,272 km (0.084 R)
• M15: 15,655,866 km (0.108 R)
• M16: 15,930,677 km (0.115 R)
• M17: 17,062,385 km (0.106 R)
• M18: 24,137,766 km (0.067 R)
• M19: 24,751,417 km (0.101 R)
• M20: 25,501,500 km (0.086 R)
• M21: 27,442,832 km (0.057 R)
• M22: 30,893,905 km (0.082 R)
• M23: 31,617,211 km (0.099 R)
• M24: 32,797,837 km (0.114 R)
• M25: 34,007,486 km (0.094 R)
• M26: 37,161,607 km (0.036 R)
• M27: 38,144,465 km (0.116 R)
• M28: 40,162,241 km (0.095 R)
• M29: 41,546,171 km (0.115 R)
• M30: 44,775,839 km (0.051 R)
• M31: 59,369,860 km (0.068 R)
• M32: 59,815,063 km (0.087 R)
• M33: 70,182,345 km (0.08 R)
• M34: 79,506,182 km (0.088 R)
• M35: 83,344,265 km (0.079 R)
• M36: 101,195,180 km (0.1 R)
• M37: 106,351,969 km (0.115 R)
• M38: 111,681,243 km (0.066 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 12,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit