🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.04 AU - 1.46 AU

Year: 491 Days

Day: 32 Hours

Environment

Temp: 11 °C

Axial Tilt: 9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 89,642,869 km

• M1: 599,588 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.04 AU - 3.18 AU

Year: 1482 Days

Day: 38 Hours

Environment

Temp: -85 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.36 AU - 4.52 AU

Year: 3288 Days

Day: 36.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.9

Radius: 11.3

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.16 AU - 5.84 AU

Year: 4533 Days

Day: 9.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,642,869 km

• M1: 140,622 km (0.076 R)
• M2: 555,158 km (0.064 R)
• M3: 983,756 km (0.079 R)
• M4: 1,358,648 km (0.086 R)
• M5: 1,817,465 km (0.115 R)
• M6: 2,189,963 km (0.039 R)
• M7: 3,500,141 km (0.117 R)
• M8: 4,474,622 km (0.117 R)
• M9: 5,080,344 km (0.112 R)
• M10: 6,488,658 km (0.075 R)
• M11: 7,126,244 km (0.095 R)
• M12: 8,764,042 km (0.076 R)
• M13: 9,209,993 km (0.093 R)
• M14: 10,458,836 km (0.092 R)
• M15: 12,975,671 km (0.101 R)
• M16: 14,043,351 km (0.074 R)
• M17: 16,352,842 km (0.115 R)
• M18: 21,492,128 km (0.113 R)
• M19: 21,859,091 km (0.076 R)
• M20: 23,291,491 km (0.08 R)
• M21: 27,530,646 km (0.107 R)
• M22: 29,200,008 km (0.043 R)
• M23: 29,922,566 km (0.065 R)
• M24: 30,657,241 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.7

Radius: 11.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 7.19 AU - 9.19 AU

Year: 8238 Days

Day: 9.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,642,869 km

• M1: 212,728 km (0.075 R)
• M2: 1,385,575 km (0.118 R)
• M3: 1,837,959 km (0.067 R)
• M4: 2,911,175 km (0.049 R)
• M5: 3,552,949 km (0.083 R)
• M6: 4,337,740 km (0.093 R)
• M7: 5,062,990 km (0.105 R)
• M8: 5,620,542 km (0.12 R)
• M9: 5,993,489 km (0.081 R)
• M10: 11,221,037 km (0.07 R)
• M11: 15,585,555 km (0.059 R)
• M12: 16,200,552 km (0.08 R)
• M13: 24,156,316 km (0.051 R)
• M14: 25,568,221 km (0.077 R)
• M15: 27,122,393 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 8.9

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 8.79 AU - 12.39 AU

Year: 12112 Days

Day: 13.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,642,869 km

• M1: 112,348 km (0.05 R)
• M2: 573,109 km (0.098 R)
• M3: 961,166 km (0.067 R)
• M4: 2,017,327 km (0.06 R)
• M5: 2,815,282 km (0.092 R)
• M6: 3,885,057 km (0.1 R)
• M7: 7,296,187 km (0.091 R)
• M8: 8,484,593 km (0.1 R)
• M9: 12,707,292 km (0.106 R)
• M10: 13,516,018 km (0.041 R)
• M11: 14,918,498 km (0.092 R)
• M12: 17,655,242 km (0.098 R)
• M13: 27,461,681 km (0.086 R)
• M14: 31,330,581 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.5

Radius: 4.2

Gravity: 15.45 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 18.71 AU - 20.93 AU

Year: 31012 Days

Day: 23.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,642,869 km

• M1: 52,210 km (0.095 R)
• M2: 249,080 km (0.069 R)
• M3: 616,343 km (0.1 R)
• M4: 2,014,934 km (0.027 R)
• M5: 2,416,155 km (0.104 R)
• M6: 2,647,733 km (0.077 R)
• M7: 3,075,433 km (0.099 R)
• M8: 6,477,588 km (0.086 R)
• M9: 9,586,381 km (0.12 R)
• M10: 9,815,715 km (0.1 R)
• M11: 14,369,025 km (0.072 R)
• M12: 23,401,146 km (0.102 R)
• M13: 26,527,293 km (0.102 R)
• M14: 26,979,228 km (0.106 R)
• M15: 28,838,281 km (0.049 R)
• M16: 32,293,992 km (0.057 R)
• M17: 34,254,172 km (0.059 R)
• M18: 35,195,442 km (0.115 R)
• M19: 36,430,821 km (0.117 R)
• M20: 40,013,690 km (0.08 R)
• M21: 42,579,743 km (0.103 R)
• M22: 46,060,436 km (0.045 R)
• M23: 49,385,099 km (0.09 R)
• M24: 53,761,286 km (0.094 R)
• M25: 55,581,742 km (0.085 R)
• M26: 59,730,690 km (0.087 R)
• M27: 61,092,928 km (0.116 R)
• M28: 70,132,379 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 450.7

Radius: 4.8

Gravity: 19.56 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 17.47 AU - 22.61 AU

Year: 31530 Days

Day: 24.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,642,869 km

• M1: 149,299 km (0.115 R)
• M2: 877,541 km (0.119 R)
• M3: 2,133,415 km (0.052 R)
• M4: 2,806,755 km (0.068 R)
• M5: 10,028,892 km (0.068 R)
• M6: 15,624,002 km (0.075 R)
• M7: 20,594,092 km (0.113 R)
• M8: 21,306,776 km (0.09 R)
• M9: 29,360,826 km (0.11 R)
• M10: 30,133,050 km (0.057 R)
• M11: 36,213,905 km (0.07 R)
• M12: 36,804,218 km (0.045 R)
• M13: 38,307,976 km (0.069 R)
• M14: 38,460,565 km (0.06 R)
• M15: 45,071,594 km (0.12 R)
• M16: 50,361,974 km (0.057 R)
• M17: 53,536,141 km (0.075 R)
• M18: 58,240,545 km (0.106 R)
• M19: 58,644,609 km (0.066 R)
• M20: 64,931,460 km (0.116 R)
• M21: 76,381,980 km (0.067 R)
• M22: 79,069,805 km (0.087 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 14,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit