🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.15 AU - 1.27 AU

Year: 470 Days

Day: 46.7 Hours

Environment

Temp: 28 °C

Axial Tilt: 26 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.68 AU - 2.76 AU

Year: 1168 Days

Day: 47.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 20.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.18 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.9

Radius: 13.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.88 AU - 6.38 AU

Year: 5359 Days

Day: 10.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 129 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,788,072 km

• M1: 172,786 km (0.025 R)
• M2: 757,863 km (0.072 R)
• M3: 1,375,403 km (0.084 R)
• M4: 1,981,424 km (0.068 R)
• M5: 3,225,928 km (0.069 R)
• M6: 4,143,113 km (0.094 R)
• M7: 4,939,871 km (0.115 R)
• M8: 6,868,786 km (0.08 R)
• M9: 9,078,796 km (0.108 R)
• M10: 11,392,476 km (0.114 R)
• M11: 12,157,370 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.9

Radius: 14.5

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.06 AU - 8.44 AU

Year: 6192 Days

Day: 8.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,788,072 km

• M1: 180,714 km (0.115 R)
• M2: 1,959,134 km (0.103 R)
• M3: 2,827,549 km (0.091 R)
• M4: 3,425,642 km (0.061 R)
• M5: 4,717,419 km (0.081 R)
• M6: 6,088,035 km (0.118 R)
• M7: 6,746,266 km (0.086 R)
• M8: 8,012,761 km (0.12 R)
• M9: 9,346,875 km (0.079 R)
• M10: 10,871,876 km (0.104 R)
• M11: 11,993,860 km (0.102 R)
• M12: 13,031,022 km (0.087 R)
• M13: 15,165,634 km (0.093 R)
• M14: 15,885,798 km (0.093 R)
• M15: 17,072,558 km (0.092 R)
• M16: 18,859,804 km (0.057 R)
• M17: 22,417,091 km (0.088 R)
• M18: 24,721,198 km (0.052 R)
• M19: 26,744,210 km (0.056 R)
• M20: 27,884,894 km (0.099 R)
• M21: 33,574,549 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.8

Radius: 13.1

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.77 AU - 7.35 AU

Year: 6624 Days

Day: 8.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,788,072 km

• M1: 163,211 km (0.112 R)
• M2: 696,228 km (0.117 R)
• M3: 1,256,622 km (0.092 R)
• M4: 1,962,724 km (0.083 R)
• M5: 2,459,987 km (0.119 R)
• M6: 3,463,789 km (0.116 R)
• M7: 5,119,090 km (0.111 R)
• M8: 5,943,673 km (0.05 R)
• M9: 6,890,328 km (0.1 R)
• M10: 8,413,983 km (0.112 R)
• M11: 9,168,704 km (0.077 R)
• M12: 9,696,635 km (0.116 R)
• M13: 10,861,853 km (0.12 R)
• M14: 13,136,488 km (0.06 R)
• M15: 13,808,332 km (0.063 R)
• M16: 18,959,137 km (0.093 R)
• M17: 21,153,887 km (0.051 R)
• M18: 21,612,554 km (0.11 R)
• M19: 22,867,680 km (0.091 R)
• M20: 24,337,479 km (0.037 R)
• M21: 27,918,852 km (0.114 R)
• M22: 30,074,558 km (0.1 R)
• M23: 32,339,170 km (0.056 R)
• M24: 34,927,213 km (0.08 R)
• M25: 36,000,129 km (0.065 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.5

Radius: 3.6

Gravity: 68.02 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 14.14 AU - 14.72 AU

Year: 19355 Days

Day: 22.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 89,788,072 km

• M1: 44,730 km (0.065 R)
• M2: 195,375 km (0.082 R)
• M3: 334,650 km (0.117 R)
• M4: 1,135,747 km (0.057 R)
• M5: 1,402,480 km (0.117 R)
• M6: 1,567,935 km (0.094 R)
• M7: 3,225,629 km (0.063 R)
• M8: 7,128,339 km (0.095 R)
• M9: 7,321,469 km (0.078 R)
• M10: 7,819,780 km (0.08 R)
• M11: 8,077,238 km (0.072 R)
• M12: 9,392,203 km (0.074 R)
• M13: 9,683,021 km (0.078 R)
• M14: 10,780,023 km (0.041 R)
• M15: 17,006,136 km (0.058 R)
• M16: 20,377,324 km (0.104 R)
• M17: 21,760,805 km (0.077 R)
• M18: 28,523,228 km (0.076 R)
• M19: 37,570,159 km (0.058 R)
• M20: 39,043,548 km (0.073 R)
• M21: 39,342,744 km (0.114 R)
• M22: 42,577,499 km (0.113 R)
• M23: 45,322,470 km (0.068 R)
• M24: 47,669,661 km (0.097 R)
• M25: 51,520,011 km (0.06 R)
• M26: 52,060,508 km (0.086 R)
• M27: 55,195,331 km (0.112 R)
• M28: 71,421,763 km (0.116 R)
• M29: 71,869,211 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.9

Radius: 6.7

Gravity: 17.24 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 15.58 AU - 15.62 AU

Year: 21756 Days

Day: 17.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 89,788,072 km

• M1: 86,019 km (0.046 R)
• M2: 371,601 km (0.099 R)
• M3: 2,042,310 km (0.074 R)
• M4: 2,626,490 km (0.092 R)
• M5: 6,421,189 km (0.11 R)
• M6: 7,562,322 km (0.049 R)
• M7: 7,867,651 km (0.114 R)
• M8: 9,995,531 km (0.057 R)
• M9: 11,322,464 km (0.041 R)
• M10: 12,550,065 km (0.106 R)
• M11: 16,253,210 km (0.058 R)
• M12: 17,020,348 km (0.094 R)
• M13: 17,544,988 km (0.066 R)
• M14: 20,137,220 km (0.076 R)
• M15: 21,021,792 km (0.114 R)
• M16: 23,399,800 km (0.095 R)
• M17: 25,268,576 km (0.061 R)
• M18: 30,691,798 km (0.044 R)
• M19: 32,258,836 km (0.079 R)
• M20: 35,128,422 km (0.026 R)
• M21: 38,611,210 km (0.045 R)
• M22: 39,213,192 km (0.062 R)
• M23: 46,253,866 km (0.116 R)
• M24: 54,656,629 km (0.041 R)
• M25: 55,415,539 km (0.051 R)
• M26: 56,373,863 km (0.082 R)
• M27: 56,760,275 km (0.1 R)
• M28: 69,413,113 km (0.111 R)
• M29: 78,655,868 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.9

Radius: 7

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 19.46 AU - 19.98 AU

Year: 30921 Days

Day: 20.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,788,072 km

• M1: 87,066 km (0.091 R)
• M2: 454,478 km (0.103 R)
• M3: 1,522,607 km (0.09 R)
• M4: 1,756,429 km (0.11 R)
• M5: 2,274,785 km (0.084 R)
• M6: 3,429,232 km (0.112 R)
• M7: 3,675,171 km (0.12 R)
• M8: 4,931,793 km (0.113 R)
• M9: 7,780,436 km (0.104 R)
• M10: 8,045,074 km (0.091 R)
• M11: 9,459,672 km (0.117 R)
• M12: 11,434,812 km (0.106 R)
• M13: 12,627,107 km (0.084 R)
• M14: 13,365,971 km (0.12 R)
• M15: 23,054,827 km (0.086 R)
• M16: 24,381,611 km (0.101 R)
• M17: 31,518,476 km (0.101 R)
• M18: 32,600,667 km (0.118 R)
• M19: 36,142,098 km (0.082 R)
• M20: 36,731,513 km (0.085 R)
• M21: 39,931,860 km (0.113 R)
• M22: 40,403,692 km (0.064 R)
• M23: 51,376,995 km (0.116 R)
• M24: 52,497,334 km (0.055 R)
• M25: 53,824,865 km (0.068 R)
• M26: 57,141,899 km (0.07 R)
• M27: 63,323,432 km (0.112 R)
• M28: 69,029,095 km (0.12 R)

Kuiper Belt

Range: 31.1 - 54.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 13,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit