🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.45 AU - 0.59 AU

Year: 131 Days

Day: 15.9 Hours

Environment

Temp: 232 °C

Axial Tilt: 47.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 69,416,433 km

• M1: 37,998 km (0.099 R)
• M2: 66,571 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.88 AU - 1.16 AU

Year: 359 Days

Day: 24 Hours

Environment

Temp: 115 °C

Axial Tilt: 6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.43 AU - 1.69 AU

Year: 679 Days

Day: 37.2 Hours

Environment

Temp: -16 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 3.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.7

Radius: 9.8

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.8 AU - 7.02 AU

Year: 5004 Days

Day: 14.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,416,433 km

• M1: 121,922 km (0.104 R)
• M2: 662,719 km (0.104 R)
• M3: 1,216,231 km (0.082 R)
• M4: 1,541,606 km (0.068 R)
• M5: 2,259,377 km (0.114 R)
• M6: 2,986,273 km (0.1 R)
• M7: 3,908,544 km (0.05 R)
• M8: 4,221,951 km (0.085 R)
• M9: 5,678,436 km (0.094 R)
• M10: 6,209,808 km (0.083 R)
• M11: 6,537,577 km (0.115 R)
• M12: 7,263,874 km (0.108 R)
• M13: 7,702,495 km (0.106 R)
• M14: 9,506,945 km (0.079 R)
• M15: 12,176,519 km (0.113 R)
• M16: 12,483,942 km (0.092 R)
• M17: 12,954,577 km (0.07 R)
• M18: 13,437,180 km (0.112 R)
• M19: 14,099,151 km (0.106 R)
• M20: 14,609,728 km (0.095 R)
• M21: 16,092,991 km (0.114 R)
• M22: 19,218,240 km (0.1 R)
• M23: 19,705,480 km (0.091 R)
• M24: 21,662,520 km (0.091 R)
• M25: 25,206,493 km (0.107 R)
• M26: 26,899,044 km (0.114 R)
• M27: 29,028,420 km (0.104 R)
• M28: 31,172,157 km (0.086 R)
• M29: 31,748,408 km (0.067 R)
• M30: 32,234,003 km (0.041 R)
• M31: 33,519,647 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.7

Radius: 12

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.75 AU - 7.17 AU

Year: 5067 Days

Day: 11.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,416,433 km

• M1: 149,299 km (0.093 R)
• M2: 674,986 km (0.116 R)
• M3: 1,123,480 km (0.087 R)
• M4: 1,786,049 km (0.115 R)
• M5: 2,207,765 km (0.103 R)
• M6: 2,984,627 km (0.111 R)
• M7: 7,112,631 km (0.112 R)
• M8: 10,954,753 km (0.091 R)
• M9: 14,140,589 km (0.057 R)
• M10: 15,399,156 km (0.063 R)
• M11: 16,503,787 km (0.074 R)
• M12: 21,658,181 km (0.045 R)
• M13: 22,552,328 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756

Radius: 14.3

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 12.21 AU - 13.33 AU

Year: 15892 Days

Day: 11.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,416,433 km

• M1: 182,809 km (0.111 R)
• M2: 809,923 km (0.061 R)
• M3: 1,768,396 km (0.104 R)
• M4: 2,321,011 km (0.072 R)
• M5: 3,290,704 km (0.081 R)
• M6: 5,162,473 km (0.112 R)
• M7: 8,945,953 km (0.066 R)
• M8: 10,251,044 km (0.097 R)
• M9: 12,377,129 km (0.045 R)
• M10: 23,453,206 km (0.09 R)
• M11: 25,605,022 km (0.111 R)
• M12: 33,728,785 km (0.104 R)
• M13: 36,065,653 km (0.06 R)
• M14: 37,273,656 km (0.065 R)
• M15: 37,819,239 km (0.091 R)
• M16: 39,487,854 km (0.103 R)
• M17: 41,060,128 km (0.111 R)
• M18: 45,870,896 km (0.102 R)
• M19: 51,045,187 km (0.119 R)
• M20: 62,728,781 km (0.049 R)
• M21: 66,253,755 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883

Radius: 4

Gravity: 55.19 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 12.38 AU - 14.94 AU

Year: 17582 Days

Day: 23.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,416,433 km

• M1: 57,595 km (0.109 R)
• M2: 815,009 km (0.038 R)
• M3: 1,022,801 km (0.107 R)
• M4: 1,152,951 km (0.081 R)
• M5: 2,468,963 km (0.042 R)
• M6: 2,754,097 km (0.105 R)
• M7: 4,589,363 km (0.074 R)
• M8: 4,801,493 km (0.111 R)
• M9: 8,343,821 km (0.118 R)
• M10: 10,123,587 km (0.074 R)
• M11: 16,700,657 km (0.109 R)
• M12: 21,195,625 km (0.047 R)
• M13: 23,928,479 km (0.09 R)
• M14: 29,958,470 km (0.119 R)
• M15: 31,199,384 km (0.075 R)
• M16: 31,578,166 km (0.04 R)
• M17: 35,950,014 km (0.089 R)
• M18: 38,786,689 km (0.106 R)
• M19: 41,009,713 km (0.112 R)
• M20: 42,847,972 km (0.077 R)
• M21: 52,156,250 km (0.11 R)
• M22: 54,860,232 km (0.103 R)
• M23: 58,035,896 km (0.083 R)
• M24: 72,184,862 km (0.079 R)
• M25: 73,513,740 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.9

Radius: 7.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 16.38 AU - 21.58 AU

Year: 28796 Days

Day: 17.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,416,433 km

• M1: 98,435 km (0.114 R)
• M2: 409,599 km (0.059 R)
• M3: 686,804 km (0.07 R)
• M4: 1,168,359 km (0.051 R)
• M5: 2,007,454 km (0.057 R)
• M6: 4,053,953 km (0.083 R)
• M7: 5,609,471 km (0.082 R)
• M8: 7,433,817 km (0.03 R)
• M9: 11,694,066 km (0.07 R)
• M10: 12,868,110 km (0.076 R)
• M11: 13,763,453 km (0.116 R)
• M12: 16,940,463 km (0.036 R)
• M13: 18,354,911 km (0.039 R)
• M14: 23,068,440 km (0.09 R)
• M15: 25,542,340 km (0.082 R)
• M16: 27,175,201 km (0.117 R)
• M17: 29,576,397 km (0.11 R)
• M18: 30,647,517 km (0.111 R)
• M19: 33,120,071 km (0.061 R)
• M20: 35,323,648 km (0.096 R)
• M21: 35,856,066 km (0.073 R)
• M22: 41,183,396 km (0.083 R)
• M23: 45,744,486 km (0.069 R)
• M24: 57,306,157 km (0.043 R)
• M25: 58,041,131 km (0.103 R)

Kuiper Belt

Range: 31.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 16,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit