🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.19 AU - 1.35 AU

Year: 536 Days

Day: 45.6 Hours

Environment

Temp: -31 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.14 AU - 1.5 AU

Year: 568 Days

Day: 25.9 Hours

Environment

Temp: -42 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.76 AU - 2.18 AU

Year: 1036 Days

Day: 30.7 Hours

Environment

Temp: -73 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,268,180 km

• M1: 142,866 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.31 AU - 2.59 AU

Year: 1437 Days

Day: 26.7 Hours

Environment

Temp: -93 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,268,180 km

• M1: 23,487 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.4

Radius: 14.8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.24 AU - 5.66 AU

Year: 4127 Days

Day: 11.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,268,180 km

• M1: 184,005 km (0.105 R)
• M2: 769,232 km (0.097 R)
• M3: 1,418,487 km (0.107 R)
• M4: 2,402,991 km (0.07 R)
• M5: 4,767,385 km (0.087 R)
• M6: 6,887,935 km (0.086 R)
• M7: 10,027,246 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 12.2

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.1 AU - 7.42 AU

Year: 6586 Days

Day: 6.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,268,180 km

• M1: 152,440 km (0.094 R)
• M2: 897,288 km (0.077 R)
• M3: 1,342,192 km (0.048 R)
• M4: 1,836,015 km (0.11 R)
• M5: 2,390,574 km (0.088 R)
• M6: 3,384,203 km (0.116 R)
• M7: 4,611,803 km (0.056 R)
• M8: 6,145,181 km (0.082 R)
• M9: 7,266,268 km (0.034 R)
• M10: 12,252,814 km (0.09 R)
• M11: 12,809,018 km (0.096 R)
• M12: 15,363,701 km (0.073 R)
• M13: 16,732,522 km (0.078 R)
• M14: 18,360,296 km (0.098 R)
• M15: 20,091,443 km (0.097 R)
• M16: 21,659,827 km (0.089 R)
• M17: 22,064,340 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.2

Radius: 6.2

Gravity: 22.53 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 11.69 AU - 12.71 AU

Year: 15969 Days

Day: 23.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,268,180 km

• M1: 77,193 km (0.108 R)
• M2: 275,410 km (0.085 R)
• M3: 482,752 km (0.116 R)
• M4: 1,263,952 km (0.097 R)
• M5: 2,164,083 km (0.094 R)
• M6: 3,007,216 km (0.081 R)
• M7: 3,432,673 km (0.044 R)
• M8: 3,777,645 km (0.119 R)
• M9: 4,208,936 km (0.096 R)
• M10: 4,776,211 km (0.074 R)
• M11: 6,523,066 km (0.114 R)
• M12: 6,962,435 km (0.077 R)
• M13: 7,281,527 km (0.077 R)
• M14: 9,405,368 km (0.094 R)
• M15: 12,169,936 km (0.075 R)
• M16: 12,367,106 km (0.104 R)
• M17: 12,633,241 km (0.09 R)
• M18: 15,509,709 km (0.099 R)
• M19: 16,773,212 km (0.103 R)
• M20: 18,189,306 km (0.102 R)
• M21: 19,413,764 km (0.091 R)
• M22: 22,123,431 km (0.054 R)
• M23: 22,515,976 km (0.07 R)
• M24: 30,520,210 km (0.078 R)
• M25: 30,884,630 km (0.071 R)
• M26: 31,994,945 km (0.085 R)
• M27: 35,352,221 km (0.098 R)
• M28: 40,232,103 km (0.108 R)
• M29: 44,756,841 km (0.051 R)
• M30: 45,227,176 km (0.112 R)
• M31: 46,497,412 km (0.073 R)
• M32: 48,282,563 km (0.098 R)
• M33: 54,622,222 km (0.103 R)
• M34: 63,841,639 km (0.03 R)
• M35: 65,640,554 km (0.115 R)
• M36: 66,654,528 km (0.072 R)
• M37: 67,884,821 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.3

Radius: 3.6

Gravity: 30.73 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 14.08 AU - 20.86 AU

Year: 27363 Days

Day: 23.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,268,180 km

• M1: 44,879 km (0.104 R)
• M2: 254,915 km (0.045 R)
• M3: 383,569 km (0.068 R)
• M4: 679,922 km (0.064 R)
• M5: 1,195,137 km (0.088 R)
• M6: 1,689,409 km (0.098 R)
• M7: 1,952,551 km (0.064 R)
• M8: 2,114,865 km (0.12 R)
• M9: 2,466,570 km (0.111 R)
• M10: 2,754,845 km (0.072 R)
• M11: 3,146,492 km (0.107 R)
• M12: 3,664,101 km (0.058 R)
• M13: 4,202,952 km (0.05 R)
• M14: 4,976,373 km (0.096 R)
• M15: 5,676,192 km (0.067 R)
• M16: 5,840,151 km (0.07 R)
• M17: 9,647,716 km (0.091 R)
• M18: 10,980,334 km (0.111 R)
• M19: 11,690,475 km (0.112 R)
• M20: 12,225,736 km (0.073 R)
• M21: 13,562,393 km (0.092 R)
• M22: 16,772,614 km (0.058 R)
• M23: 17,110,556 km (0.083 R)
• M24: 20,646,900 km (0.078 R)
• M25: 21,329,216 km (0.115 R)
• M26: 26,418,086 km (0.076 R)
• M27: 27,923,639 km (0.047 R)
• M28: 28,757,647 km (0.071 R)
• M29: 30,475,031 km (0.11 R)
• M30: 31,871,527 km (0.112 R)
• M31: 36,315,781 km (0.084 R)
• M32: 36,880,961 km (0.109 R)
• M33: 42,859,790 km (0.064 R)
• M34: 49,973,019 km (0.115 R)
• M35: 65,015,833 km (0.091 R)
• M36: 71,879,683 km (0.108 R)
• M37: 74,800,731 km (0.096 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: 405 - 18,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit