🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.58 AU - 0.7 AU

Year: 187 Days

Day: 31.9 Hours

Environment

Temp: 124 °C

Axial Tilt: 22 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.54 AU - 0.82 AU

Year: 205 Days

Day: 22.2 Hours

Environment

Temp: 208 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 85,221,827 km

• M1: 127,009 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.45 AU - 2.49 AU

Year: 1418 Days

Day: 27.8 Hours

Environment

Temp: -83 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.5 AU - 3.62 AU

Year: 1955 Days

Day: 20.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 13.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.1

Radius: 6.3

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 10.72 AU - 15.36 AU

Year: 17199 Days

Day: 18.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 85,221,827 km

• M1: 131,796 km (0.078 R)
• M2: 277,055 km (0.057 R)
• M3: 384,167 km (0.067 R)
• M4: 474,076 km (0.052 R)
• M5: 571,464 km (0.072 R)
• M6: 1,473,090 km (0.028 R)
• M7: 1,742,666 km (0.094 R)
• M8: 2,669,873 km (0.063 R)
• M9: 3,182,246 km (0.116 R)
• M10: 3,856,334 km (0.055 R)
• M11: 4,056,945 km (0.058 R)
• M12: 4,124,563 km (0.099 R)
• M13: 4,398,776 km (0.104 R)
• M14: 4,538,201 km (0.083 R)
• M15: 5,818,609 km (0.096 R)
• M16: 6,126,033 km (0.117 R)
• M17: 6,756,887 km (0.077 R)
• M18: 6,796,979 km (0.105 R)
• M19: 7,243,379 km (0.084 R)
• M20: 7,366,798 km (0.089 R)
• M21: 7,741,241 km (0.118 R)
• M22: 8,726,044 km (0.119 R)
• M23: 8,857,391 km (0.081 R)
• M24: 9,479,119 km (0.07 R)
• M25: 9,614,206 km (0.072 R)
• M26: 9,977,430 km (0.077 R)
• M27: 10,114,761 km (0.115 R)
• M28: 11,908,439 km (0.087 R)
• M29: 12,791,815 km (0.118 R)
• M30: 13,191,241 km (0.052 R)
• M31: 13,291,621 km (0.091 R)
• M32: 14,104,686 km (0.046 R)
• M33: 14,413,755 km (0.081 R)
• M34: 14,517,127 km (0.116 R)
• M35: 14,672,858 km (0.031 R)
• M36: 14,829,188 km (0.114 R)
• M37: 15,090,835 km (0.104 R)
• M38: 15,565,808 km (0.111 R)
• M39: 15,725,130 km (0.086 R)
• M40: 16,045,568 km (0.104 R)
• M41: 16,422,106 km (0.095 R)
• M42: 17,790,478 km (0.098 R)
• M43: 18,628,974 km (0.102 R)
• M44: 18,967,963 km (0.069 R)
• M45: 19,252,049 km (0.058 R)
• M46: 20,170,431 km (0.11 R)
• M47: 20,868,604 km (0.116 R)
• M48: 21,103,024 km (0.115 R)
• M49: 21,161,816 km (0.098 R)
• M50: 21,456,374 km (0.081 R)
• M51: 21,633,797 km (0.113 R)
• M52: 23,252,296 km (0.062 R)
• M53: 23,313,033 km (0.073 R)
• M54: 24,352,738 km (0.12 R)
• M55: 25,532,766 km (0.071 R)
• M56: 26,604,186 km (0.109 R)
• M57: 27,369,379 km (0.081 R)
• M58: 27,561,762 km (0.09 R)
• M59: 29,248,179 km (0.1 R)
• M60: 29,576,247 km (0.074 R)
• M61: 29,642,070 km (0.062 R)
• M62: 31,503,217 km (0.028 R)
• M63: 32,244,774 km (0.049 R)
• M64: 32,312,392 km (0.092 R)
• M65: 33,813,607 km (0.038 R)
• M66: 34,089,016 km (0.095 R)
• M67: 34,227,095 km (0.085 R)
• M68: 34,919,733 km (0.102 R)
• M69: 36,318,773 km (0.114 R)
• M70: 36,389,233 km (0.106 R)
• M71: 36,671,524 km (0.098 R)
• M72: 37,451,378 km (0.093 R)
• M73: 38,739,117 km (0.099 R)
• M74: 39,678,292 km (0.041 R)
• M75: 43,060,849 km (0.101 R)
• M76: 44,711,064 km (0.112 R)
• M77: 45,316,337 km (0.089 R)
• M78: 45,392,183 km (0.104 R)
• M79: 46,764,444 km (0.06 R)
• M80: 47,378,693 km (0.095 R)
• M81: 47,532,779 km (0.098 R)
• M82: 48,150,319 km (0.097 R)
• M83: 48,382,644 km (0.084 R)
• M84: 48,692,910 km (0.043 R)
• M85: 49,003,924 km (0.103 R)
• M86: 50,175,874 km (0.118 R)
• M87: 51,990,795 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.1

Radius: 7.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 12.99 AU - 14.57 AU

Year: 18684 Days

Day: 24.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,221,827 km

• M1: 325,675 km (0.113 R)
• M2: 462,706 km (0.05 R)
• M3: 1,771,239 km (0.117 R)
• M4: 3,014,098 km (0.099 R)
• M5: 3,207,079 km (0.073 R)
• M6: 4,567,522 km (0.069 R)
• M7: 5,243,854 km (0.077 R)
• M8: 5,327,928 km (0.113 R)
• M9: 5,973,144 km (0.077 R)
• M10: 6,394,561 km (0.052 R)
• M11: 6,986,669 km (0.118 R)
• M12: 7,763,531 km (0.089 R)
• M13: 9,067,426 km (0.068 R)
• M14: 9,320,995 km (0.053 R)
• M15: 9,551,226 km (0.115 R)
• M16: 9,809,282 km (0.065 R)
• M17: 10,464,521 km (0.111 R)
• M18: 11,514,548 km (0.056 R)
• M19: 11,679,106 km (0.057 R)
• M20: 12,261,041 km (0.081 R)
• M21: 13,568,527 km (0.073 R)
• M22: 13,800,553 km (0.055 R)
• M23: 14,004,455 km (0.061 R)
• M24: 14,180,233 km (0.084 R)
• M25: 15,159,351 km (0.118 R)
• M26: 15,249,409 km (0.079 R)
• M27: 17,685,311 km (0.027 R)
• M28: 18,384,830 km (0.109 R)
• M29: 19,158,401 km (0.082 R)
• M30: 19,549,151 km (0.109 R)
• M31: 20,770,468 km (0.052 R)
• M32: 21,272,668 km (0.096 R)
• M33: 21,778,757 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.3

Radius: 7.9

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 15.61 AU - 17.53 AU

Year: 24636 Days

Day: 19.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 85,221,827 km

• M1: 137,780 km (0.048 R)
• M2: 357,240 km (0.116 R)
• M3: 434,731 km (0.105 R)
• M4: 608,564 km (0.1 R)
• M5: 857,196 km (0.104 R)
• M6: 1,107,623 km (0.076 R)
• M7: 1,846,636 km (0.1 R)
• M8: 2,282,564 km (0.067 R)
• M9: 3,461,396 km (0.091 R)
• M10: 3,636,724 km (0.097 R)
• M11: 4,180,662 km (0.117 R)
• M12: 4,273,712 km (0.08 R)
• M13: 4,798,352 km (0.12 R)
• M14: 6,012,189 km (0.117 R)
• M15: 6,223,421 km (0.071 R)
• M16: 7,037,084 km (0.064 R)
• M17: 7,428,282 km (0.067 R)
• M18: 8,584,375 km (0.045 R)
• M19: 10,674,855 km (0.077 R)
• M20: 10,738,734 km (0.048 R)
• M21: 10,802,612 km (0.103 R)
• M22: 10,995,144 km (0.109 R)
• M23: 11,253,500 km (0.115 R)
• M24: 11,513,950 km (0.065 R)
• M25: 12,040,684 km (0.027 R)
• M26: 13,049,721 km (0.085 R)
• M27: 13,529,781 km (0.096 R)
• M28: 14,225,561 km (0.116 R)
• M29: 14,295,872 km (0.06 R)
• M30: 14,861,800 km (0.118 R)
• M31: 16,015,649 km (0.11 R)
• M32: 16,161,806 km (0.056 R)
• M33: 18,408,317 km (0.072 R)
• M34: 19,724,180 km (0.115 R)
• M35: 20,117,024 km (0.086 R)
• M36: 23,433,758 km (0.117 R)
• M37: 23,683,138 km (0.054 R)
• M38: 23,766,464 km (0.091 R)
• M39: 24,184,291 km (0.04 R)
• M40: 26,223,908 km (0.085 R)
• M41: 27,002,864 km (0.052 R)
• M42: 27,264,212 km (0.101 R)
• M43: 27,613,972 km (0.035 R)
• M44: 30,284,294 km (0.105 R)
• M45: 30,465,307 km (0.064 R)
• M46: 31,283,907 km (0.08 R)
• M47: 32,017,684 km (0.117 R)
• M48: 32,201,989 km (0.094 R)
• M49: 32,664,396 km (0.105 R)
• M50: 32,849,897 km (0.093 R)
• M51: 33,035,847 km (0.047 R)
• M52: 33,502,144 km (0.099 R)
• M53: 33,782,939 km (0.12 R)
• M54: 35,770,646 km (0.105 R)
• M55: 37,893,290 km (0.113 R)
• M56: 38,381,279 km (0.114 R)
• M57: 38,773,375 km (0.098 R)
• M58: 41,052,797 km (0.064 R)
• M59: 43,477,330 km (0.093 R)
• M60: 43,783,706 km (0.105 R)
• M61: 44,193,305 km (0.085 R)
• M62: 45,119,316 km (0.077 R)
• M63: 45,222,688 km (0.073 R)
• M64: 48,463,726 km (0.11 R)
• M65: 50,058,739 km (0.092 R)
• M66: 50,487,037 km (0.062 R)
• M67: 51,023,944 km (0.088 R)
• M68: 52,320,509 km (0.069 R)
• M69: 53,081,812 km (0.068 R)
• M70: 57,838,127 km (0.076 R)
• M71: 58,287,519 km (0.105 R)
• M72: 58,512,514 km (0.047 R)
• M73: 59,529,032 km (0.035 R)
• M74: 60,665,377 km (0.119 R)
• M75: 60,893,514 km (0.081 R)
• M76: 61,236,243 km (0.075 R)
• M77: 61,350,685 km (0.093 R)
• M78: 62,268,319 km (0.063 R)
• M79: 64,931,609 km (0.112 R)
• M80: 67,986,996 km (0.089 R)
• M81: 68,579,853 km (0.109 R)
• M82: 71,209,035 km (0.104 R)
• M83: 72,899,192 km (0.085 R)
• M84: 73,627,584 km (0.099 R)
• M85: 74,114,525 km (0.075 R)
• M86: 74,358,370 km (0.049 R)
• M87: 76,318,999 km (0.098 R)
• M88: 78,545,016 km (0.099 R)
• M89: 83,694,174 km (0.1 R)
• M90: 84,584,132 km (0.089 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 19,185 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit