🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.47 AU - 0.69 AU

Year: 159 Days

Day: 14 Hours

Environment

Temp: 181 °C

Axial Tilt: 10.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.9 AU - 1.28 AU

Year: 410 Days

Day: 27.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 2.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 91,872,675 km

• M1: 110,254 km (0.101 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.06 AU - 1.46 AU

Year: 509 Days

Day: 21.2 Hours

Environment

Temp: -1 °C

Axial Tilt: 2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 91,872,675 km

• M1: 71,657 km (0.104 R)
• M2: 314,156 km (0.119 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.48 AU - 4.14 AU

Year: 2167 Days

Day: 42.5 Hours

Environment

Temp: -111 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.22 AU - 4.94 AU

Year: 3528 Days

Day: 17.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 20 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,872,675 km

• M1: 1,723,816 km (0.113 R)

Asteroid Belt

Center: 6.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.4

Radius: 10

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.67 AU - 8.97 AU

Year: 9427 Days

Day: 10.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 91,872,675 km

• M1: 124,316 km (0.108 R)
• M2: 598,391 km (0.058 R)
• M3: 980,165 km (0.071 R)
• M4: 1,989,652 km (0.117 R)
• M5: 2,645,040 km (0.099 R)
• M6: 3,226,228 km (0.104 R)
• M7: 3,710,177 km (0.115 R)
• M8: 4,131,594 km (0.116 R)
• M9: 4,614,197 km (0.108 R)
• M10: 6,291,338 km (0.044 R)
• M11: 8,563,880 km (0.096 R)
• M12: 9,398,037 km (0.05 R)
• M13: 10,907,330 km (0.066 R)
• M14: 12,747,384 km (0.086 R)
• M15: 14,020,911 km (0.084 R)
• M16: 17,175,481 km (0.094 R)
• M17: 19,890,832 km (0.045 R)
• M18: 20,856,187 km (0.111 R)
• M19: 29,320,883 km (0.115 R)
• M20: 29,941,266 km (0.104 R)
• M21: 32,291,448 km (0.061 R)
• M22: 33,064,271 km (0.065 R)
• M23: 36,161,246 km (0.037 R)
• M24: 37,840,781 km (0.118 R)
• M25: 41,484,387 km (0.06 R)
• M26: 42,266,335 km (0.04 R)
• M27: 45,080,870 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.8

Radius: 3.7

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 12.55 AU - 15.69 AU

Year: 19095 Days

Day: 16 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 91,872,675 km

• M1: 73,153 km (0.042 R)
• M2: 308,920 km (0.109 R)
• M3: 568,173 km (0.115 R)
• M4: 1,009,786 km (0.103 R)
• M5: 1,210,845 km (0.108 R)
• M6: 3,845,264 km (0.116 R)
• M7: 5,538,562 km (0.076 R)
• M8: 7,882,312 km (0.026 R)
• M9: 8,490,427 km (0.114 R)
• M10: 8,669,795 km (0.104 R)
• M11: 10,046,544 km (0.086 R)
• M12: 14,908,924 km (0.099 R)
• M13: 15,170,122 km (0.089 R)
• M14: 19,852,236 km (0.063 R)
• M15: 30,335,307 km (0.104 R)
• M16: 32,689,080 km (0.079 R)
• M17: 34,817,259 km (0.076 R)
• M18: 41,495,158 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.1

Radius: 5.3

Gravity: 20.69 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 18.22 AU - 19.34 AU

Year: 29290 Days

Day: 20.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 91,872,675 km

• M1: 66,571 km (0.079 R)
• M2: 247,136 km (0.088 R)
• M3: 1,975,290 km (0.069 R)
• M4: 2,967,124 km (0.059 R)
• M5: 3,462,742 km (0.12 R)
• M6: 4,079,833 km (0.117 R)
• M7: 7,549,457 km (0.118 R)
• M8: 8,925,308 km (0.12 R)
• M9: 10,331,379 km (0.107 R)
• M10: 11,120,657 km (0.105 R)
• M11: 12,524,334 km (0.082 R)
• M12: 15,174,759 km (0.106 R)
• M13: 18,744,613 km (0.049 R)
• M14: 27,858,863 km (0.104 R)
• M15: 28,486,576 km (0.088 R)
• M16: 32,729,920 km (0.058 R)
• M17: 34,280,651 km (0.116 R)
• M18: 35,146,823 km (0.075 R)
• M19: 40,492,104 km (0.097 R)
• M20: 47,235,677 km (0.1 R)
• M21: 57,070,840 km (0.1 R)
• M22: 60,979,533 km (0.068 R)
• M23: 63,106,815 km (0.1 R)
• M24: 64,188,706 km (0.088 R)
• M25: 72,110,512 km (0.078 R)
• M26: 73,055,372 km (0.105 R)
• M27: 80,153,642 km (0.067 R)
• M28: 81,677,445 km (0.117 R)
• M29: 83,739,203 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514

Radius: 4.5

Gravity: 25.38 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 17.63 AU - 21.07 AU

Year: 30633 Days

Day: 24.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 91,872,675 km

• M1: 56,099 km (0.105 R)
• M2: 318,793 km (0.082 R)
• M3: 1,047,035 km (0.116 R)
• M4: 1,202,468 km (0.119 R)
• M5: 2,272,242 km (0.071 R)
• M6: 2,535,086 km (0.077 R)
• M7: 2,844,604 km (0.046 R)
• M8: 3,446,436 km (0.102 R)
• M9: 3,793,652 km (0.107 R)
• M10: 4,520,698 km (0.114 R)
• M11: 5,502,509 km (0.097 R)
• M12: 5,671,704 km (0.118 R)
• M13: 6,523,963 km (0.081 R)
• M14: 7,356,026 km (0.086 R)
• M15: 7,665,844 km (0.102 R)
• M16: 8,092,497 km (0.118 R)
• M17: 9,896,198 km (0.081 R)
• M18: 10,273,783 km (0.092 R)
• M19: 10,466,166 km (0.073 R)
• M20: 13,190,792 km (0.086 R)
• M21: 15,248,810 km (0.098 R)
• M22: 15,415,462 km (0.082 R)
• M23: 16,266,973 km (0.049 R)
• M24: 21,938,528 km (0.078 R)
• M25: 22,688,013 km (0.102 R)
• M26: 23,344,000 km (0.081 R)
• M27: 24,351,541 km (0.044 R)
• M28: 26,693,646 km (0.117 R)
• M29: 31,279,868 km (0.106 R)
• M30: 34,183,712 km (0.041 R)
• M31: 37,111,641 km (0.025 R)
• M32: 39,257,772 km (0.117 R)
• M33: 41,973,273 km (0.093 R)
• M34: 42,795,164 km (0.07 R)
• M35: 44,641,052 km (0.112 R)
• M36: 44,811,444 km (0.113 R)
• M37: 54,476,065 km (0.113 R)
• M38: 54,865,767 km (0.117 R)
• M39: 56,642,092 km (0.08 R)
• M40: 56,841,805 km (0.109 R)
• M41: 81,035,970 km (0.055 R)
• M42: 82,309,197 km (0.085 R)
• M43: 84,895,595 km (0.12 R)

Kuiper Belt

Range: 30.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 18,991 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit