🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.93 AU - 2.93 AU

Year: 1398 Days

Day: 22.1 Hours

Environment

Temp: -84 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.28 AU - 3.1 AU

Year: 1628 Days

Day: 37.9 Hours

Environment

Temp: -94 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.76 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346

Radius: 8.6

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 3.64 AU - 6 AU

Year: 3904 Days

Day: 14.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,505,390 km

• M1: 106,962 km (0.047 R)
• M2: 376,987 km (0.096 R)
• M3: 740,958 km (0.116 R)
• M4: 1,053,319 km (0.088 R)
• M5: 1,357,152 km (0.111 R)
• M6: 1,967,810 km (0.104 R)
• M7: 3,025,467 km (0.082 R)
• M8: 4,315,599 km (0.113 R)
• M9: 5,035,614 km (0.084 R)
• M10: 5,399,735 km (0.11 R)
• M11: 5,781,210 km (0.093 R)
• M12: 6,072,327 km (0.102 R)
• M13: 8,767,782 km (0.029 R)
• M14: 9,659,385 km (0.096 R)
• M15: 11,497,344 km (0.07 R)
• M16: 13,464,706 km (0.104 R)
• M17: 13,789,782 km (0.111 R)
• M18: 15,494,151 km (0.026 R)
• M19: 16,318,285 km (0.108 R)
• M20: 17,664,217 km (0.098 R)
• M21: 18,506,304 km (0.081 R)
• M22: 19,551,993 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.3

Radius: 9.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.66 AU - 5.84 AU

Year: 5087 Days

Day: 8.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,505,390 km

• M1: 116,986 km (0.055 R)
• M2: 993,629 km (0.047 R)
• M3: 1,548,936 km (0.065 R)
• M4: 2,088,835 km (0.1 R)
• M5: 2,403,439 km (0.117 R)
• M6: 2,969,967 km (0.102 R)
• M7: 5,689,357 km (0.118 R)
• M8: 6,879,707 km (0.091 R)
• M9: 8,089,804 km (0.107 R)
• M10: 10,800,069 km (0.081 R)
• M11: 11,441,694 km (0.12 R)
• M12: 13,374,050 km (0.05 R)
• M13: 15,090,236 km (0.099 R)
• M14: 16,331,450 km (0.072 R)
• M15: 18,110,169 km (0.091 R)
• M16: 19,824,710 km (0.109 R)
• M17: 20,526,922 km (0.117 R)
• M18: 22,389,416 km (0.092 R)
• M19: 22,872,018 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.8

Radius: 14.1

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.08 AU - 10.8 AU

Year: 9862 Days

Day: 13.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,505,390 km

• M1: 175,777 km (0.109 R)
• M2: 867,668 km (0.074 R)
• M3: 1,366,726 km (0.114 R)
• M4: 1,993,990 km (0.079 R)
• M5: 2,581,760 km (0.08 R)
• M6: 3,051,797 km (0.06 R)
• M7: 3,839,130 km (0.114 R)
• M8: 5,784,650 km (0.106 R)
• M9: 6,331,879 km (0.083 R)
• M10: 6,953,459 km (0.111 R)
• M11: 7,488,421 km (0.091 R)
• M12: 8,139,620 km (0.078 R)
• M13: 8,734,421 km (0.118 R)
• M14: 9,756,624 km (0.118 R)
• M15: 10,587,789 km (0.105 R)
• M16: 11,409,530 km (0.041 R)
• M17: 12,097,082 km (0.081 R)
• M18: 20,742,493 km (0.1 R)
• M19: 21,941,968 km (0.076 R)
• M20: 22,558,761 km (0.104 R)
• M21: 25,142,615 km (0.113 R)
• M22: 26,704,716 km (0.103 R)
• M23: 30,563,593 km (0.093 R)
• M24: 34,306,083 km (0.036 R)
• M25: 37,212,770 km (0.102 R)
• M26: 40,674,913 km (0.114 R)
• M27: 44,206,470 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.6

Radius: 4.1

Gravity: 37.28 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 11.58 AU - 15.34 AU

Year: 18220 Days

Day: 17.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,505,390 km

• M1: 51,462 km (0.09 R)
• M2: 180,116 km (0.12 R)
• M3: 1,341,743 km (0.07 R)
• M4: 1,690,606 km (0.105 R)
• M5: 4,456,820 km (0.079 R)
• M6: 5,642,981 km (0.074 R)
• M7: 7,115,174 km (0.049 R)
• M8: 10,851,830 km (0.079 R)
• M9: 13,654,097 km (0.101 R)
• M10: 14,368,726 km (0.066 R)
• M11: 14,735,091 km (0.088 R)
• M12: 17,394,343 km (0.092 R)
• M13: 21,956,479 km (0.119 R)
• M14: 26,373,506 km (0.12 R)
• M15: 27,255,685 km (0.095 R)
• M16: 29,782,991 km (0.072 R)
• M17: 39,139,590 km (0.094 R)
• M18: 46,357,837 km (0.115 R)
• M19: 49,112,831 km (0.088 R)
• M20: 56,021,560 km (0.039 R)
• M21: 60,652,662 km (0.046 R)
• M22: 61,033,837 km (0.103 R)
• M23: 66,944,150 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.9

Radius: 5.3

Gravity: 14.59 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 12.69 AU - 21.11 AU

Year: 25633 Days

Day: 16.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 116.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,505,390 km

• M1: 69,713 km (0.118 R)
• M2: 746,194 km (0.109 R)
• M3: 1,379,143 km (0.049 R)
• M4: 2,684,683 km (0.092 R)
• M5: 3,169,829 km (0.086 R)
• M6: 4,116,185 km (0.049 R)
• M7: 5,666,169 km (0.082 R)
• M8: 6,159,992 km (0.061 R)
• M9: 8,742,799 km (0.116 R)
• M10: 9,013,421 km (0.099 R)
• M11: 10,941,439 km (0.035 R)
• M12: 14,212,247 km (0.097 R)
• M13: 15,590,192 km (0.059 R)
• M14: 18,343,541 km (0.105 R)
• M15: 21,600,287 km (0.095 R)
• M16: 23,312,883 km (0.076 R)
• M17: 34,306,382 km (0.114 R)
• M18: 35,251,093 km (0.075 R)
• M19: 44,548,301 km (0.081 R)
• M20: 50,530,870 km (0.119 R)
• M21: 51,052,368 km (0.094 R)
• M22: 51,226,948 km (0.041 R)
• M23: 57,781,579 km (0.06 R)
• M24: 59,117,937 km (0.094 R)
• M25: 59,310,469 km (0.051 R)
• M26: 61,653,920 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.9

Radius: 3.2

Gravity: 32.61 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 14.94 AU - 21.18 AU

Year: 28317 Days

Day: 23.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,505,390 km

• M1: 57,745 km (0.113 R)
• M2: 494,720 km (0.114 R)
• M3: 652,696 km (0.087 R)
• M4: 1,786,797 km (0.091 R)
• M5: 2,202,081 km (0.075 R)
• M6: 2,512,646 km (0.071 R)
• M7: 2,851,635 km (0.1 R)
• M8: 2,953,810 km (0.081 R)
• M9: 5,015,867 km (0.109 R)
• M10: 6,039,864 km (0.057 R)
• M11: 9,027,334 km (0.028 R)
• M12: 9,360,189 km (0.067 R)
• M13: 11,022,371 km (0.061 R)
• M14: 12,940,964 km (0.081 R)
• M15: 14,386,528 km (0.11 R)
• M16: 15,617,719 km (0.104 R)
• M17: 20,956,418 km (0.099 R)
• M18: 21,343,727 km (0.116 R)
• M19: 22,433,547 km (0.112 R)
• M20: 30,744,457 km (0.101 R)
• M21: 33,298,392 km (0.082 R)
• M22: 35,440,484 km (0.071 R)
• M23: 44,290,993 km (0.071 R)
• M24: 49,221,739 km (0.035 R)
• M25: 50,769,329 km (0.058 R)
• M26: 73,486,064 km (0.075 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: 263 - 19,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit