🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.74 AU - 1.12 AU

Year: 345 Days

Day: 20.3 Hours

Environment

Temp: 26 °C

Axial Tilt: 18.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.84 AU - 1.34 AU

Year: 438 Days

Day: 35.4 Hours

Environment

Temp: -17 °C

Axial Tilt: 4.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.93 AU - 2.03 AU

Year: 1073 Days

Day: 14.2 Hours

Environment

Temp: -92 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.03 AU - 2.35 AU

Year: 1248 Days

Day: 22.3 Hours

Environment

Temp: -91 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,876,395 km

• M1: 105,018 km (0.12 R)
• M2: 1,570,030 km (0.106 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.9 AU - 3.18 AU

Year: 2041 Days

Day: 45.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.19 AU - 3.39 AU

Year: 2298 Days

Day: 32.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 17.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,876,395 km

• M1: 2,184,428 km (0.061 R)
• M2: 2,275,384 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.2

Radius: 9.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 9.13 AU - 12.89 AU

Year: 14065 Days

Day: 5.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 53,876,395 km

• M1: 137,630 km (0.083 R)
• M2: 224,397 km (0.11 R)
• M3: 300,542 km (0.065 R)
• M4: 368,460 km (0.086 R)
• M5: 729,888 km (0.071 R)
• M6: 886,816 km (0.044 R)
• M7: 1,201,271 km (0.057 R)
• M8: 1,388,867 km (0.046 R)
• M9: 1,660,237 km (0.048 R)
• M10: 1,773,632 km (0.106 R)
• M11: 2,068,340 km (0.118 R)
• M12: 2,252,944 km (0.112 R)
• M13: 2,378,905 km (0.092 R)
• M14: 2,594,326 km (0.11 R)
• M15: 2,838,620 km (0.082 R)
• M16: 3,113,730 km (0.118 R)
• M17: 3,421,453 km (0.067 R)
• M18: 3,518,243 km (0.042 R)
• M19: 3,739,199 km (0.037 R)
• M20: 3,914,228 km (0.095 R)
• M21: 4,168,993 km (0.092 R)
• M22: 4,246,635 km (0.081 R)
• M23: 4,748,685 km (0.086 R)
• M24: 4,883,922 km (0.106 R)
• M25: 5,075,557 km (0.093 R)
• M26: 5,213,935 km (0.037 R)
• M27: 5,325,535 km (0.119 R)
• M28: 5,494,431 km (0.097 R)
• M29: 6,454,999 km (0.109 R)
• M30: 6,756,289 km (0.093 R)
• M31: 7,000,732 km (0.09 R)
• M32: 7,154,967 km (0.103 R)
• M33: 8,824,629 km (0.059 R)
• M34: 9,159,130 km (0.11 R)
• M35: 10,187,316 km (0.047 R)
• M36: 10,750,701 km (0.106 R)
• M37: 10,964,477 km (0.097 R)
• M38: 11,724,135 km (0.106 R)
• M39: 12,800,940 km (0.092 R)
• M40: 13,485,051 km (0.088 R)
• M41: 14,103,190 km (0.119 R)
• M42: 14,415,700 km (0.106 R)
• M43: 14,849,234 km (0.106 R)
• M44: 15,087,394 km (0.055 R)
• M45: 15,407,085 km (0.105 R)
• M46: 15,487,269 km (0.054 R)
• M47: 15,809,802 km (0.087 R)
• M48: 15,931,276 km (0.107 R)
• M49: 16,338,481 km (0.094 R)
• M50: 16,461,301 km (0.112 R)
• M51: 17,790,628 km (0.072 R)
• M52: 18,853,072 km (0.113 R)
• M53: 19,154,212 km (0.067 R)
• M54: 19,240,530 km (0.106 R)
• M55: 19,804,963 km (0.094 R)
• M56: 20,683,701 km (0.109 R)
• M57: 21,038,846 km (0.098 R)
• M58: 21,217,167 km (0.032 R)
• M59: 21,710,092 km (0.073 R)
• M60: 21,980,565 km (0.07 R)
• M61: 23,027,750 km (0.097 R)
• M62: 24,091,091 km (0.117 R)
• M63: 24,840,278 km (0.076 R)
• M64: 25,407,104 km (0.094 R)
• M65: 26,074,011 km (0.076 R)
• M66: 26,457,580 km (0.06 R)
• M67: 26,698,283 km (0.04 R)
• M68: 26,891,264 km (0.106 R)
• M69: 27,376,111 km (0.112 R)
• M70: 27,473,350 km (0.084 R)
• M71: 27,570,738 km (0.083 R)
• M72: 28,010,556 km (0.049 R)
• M73: 28,748,672 km (0.094 R)
• M74: 29,742,749 km (0.061 R)
• M75: 29,842,830 km (0.066 R)
• M76: 30,193,787 km (0.063 R)
• M77: 31,356,611 km (0.087 R)
• M78: 31,815,727 km (0.112 R)
• M79: 32,792,003 km (0.087 R)
• M80: 32,895,375 km (0.102 R)
• M81: 33,517,852 km (0.088 R)
• M82: 33,987,140 km (0.073 R)
• M83: 34,511,182 km (0.093 R)
• M84: 34,668,858 km (0.109 R)
• M85: 34,985,108 km (0.107 R)
• M86: 35,355,213 km (0.09 R)
• M87: 35,461,128 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.7

Radius: 3.5

Gravity: 22.02 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 12.36 AU - 14.54 AU

Year: 18991 Days

Day: 20.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 53,876,395 km

• M1: 123,269 km (0.11 R)
• M2: 243,695 km (0.094 R)
• M3: 474,225 km (0.097 R)
• M4: 540,348 km (0.106 R)
• M5: 1,127,220 km (0.104 R)
• M6: 1,171,351 km (0.109 R)
• M7: 1,193,791 km (0.115 R)
• M8: 1,644,829 km (0.117 R)
• M9: 1,669,811 km (0.098 R)
• M10: 1,875,060 km (0.053 R)
• M11: 1,901,389 km (0.097 R)
• M12: 2,422,588 km (0.115 R)
• M13: 3,202,292 km (0.111 R)
• M14: 4,607,914 km (0.117 R)
• M15: 6,176,148 km (0.11 R)
• M16: 6,254,687 km (0.111 R)
• M17: 6,491,949 km (0.11 R)
• M18: 6,571,834 km (0.06 R)
• M19: 7,057,280 km (0.09 R)
• M20: 8,668,897 km (0.113 R)
• M21: 8,712,879 km (0.088 R)
• M22: 8,756,861 km (0.07 R)
• M23: 8,933,386 km (0.061 R)
• M24: 9,290,177 km (0.052 R)
• M25: 9,380,086 km (0.074 R)
• M26: 9,742,711 km (0.056 R)
• M27: 9,879,743 km (0.074 R)
• M28: 9,925,669 km (0.075 R)
• M29: 9,971,596 km (0.096 R)
• M30: 10,295,026 km (0.12 R)
• M31: 11,382,004 km (0.109 R)
• M32: 11,623,007 km (0.106 R)
• M33: 12,504,736 km (0.113 R)
• M34: 12,653,736 km (0.11 R)
• M35: 13,054,060 km (0.069 R)
• M36: 13,255,718 km (0.058 R)
• M37: 14,801,213 km (0.065 R)
• M38: 15,011,398 km (0.117 R)
• M39: 15,328,845 km (0.116 R)
• M40: 17,168,300 km (0.06 R)
• M41: 17,555,609 km (0.089 R)
• M42: 17,778,211 km (0.083 R)
• M43: 18,001,860 km (0.09 R)
• M44: 19,076,272 km (0.104 R)
• M45: 19,305,156 km (0.115 R)
• M46: 20,055,240 km (0.087 R)
• M47: 20,580,029 km (0.083 R)
• M48: 21,881,830 km (0.115 R)
• M49: 21,941,669 km (0.074 R)
• M50: 22,663,479 km (0.115 R)
• M51: 23,149,074 km (0.034 R)
• M52: 23,883,898 km (0.1 R)
• M53: 24,007,017 km (0.067 R)
• M54: 25,376,137 km (0.059 R)
• M55: 26,133,551 km (0.095 R)
• M56: 27,283,660 km (0.108 R)
• M57: 27,476,791 km (0.118 R)
• M58: 28,124,400 km (0.1 R)
• M59: 29,039,340 km (0.077 R)
• M60: 29,368,456 km (0.065 R)
• M61: 29,831,311 km (0.074 R)
• M62: 29,964,005 km (0.087 R)
• M63: 30,030,426 km (0.111 R)
• M64: 30,229,840 km (0.111 R)
• M65: 30,563,443 km (0.105 R)
• M66: 31,099,602 km (0.085 R)
• M67: 31,503,816 km (0.046 R)
• M68: 31,638,902 km (0.09 R)
• M69: 32,113,427 km (0.084 R)
• M70: 32,181,344 km (0.066 R)
• M71: 32,590,195 km (0.087 R)
• M72: 33,688,692 km (0.037 R)
• M73: 33,965,299 km (0.053 R)
• M74: 35,218,929 km (0.108 R)
• M75: 37,484,888 km (0.078 R)
• M76: 37,914,982 km (0.062 R)
• M77: 38,130,702 km (0.119 R)
• M78: 39,943,529 km (0.057 R)
• M79: 41,340,025 km (0.058 R)
• M80: 41,487,977 km (0.092 R)
• M81: 42,827,178 km (0.113 R)
• M82: 45,166,739 km (0.102 R)
• M83: 46,083,474 km (0.092 R)
• M84: 46,852,108 km (0.119 R)
• M85: 47,006,344 km (0.109 R)
• M86: 47,237,921 km (0.066 R)
• M87: 47,779,914 km (0.105 R)
• M88: 48,090,629 km (0.119 R)
• M89: 49,496,849 km (0.068 R)
• M90: 51,870,369 km (0.088 R)
• M91: 52,029,840 km (0.116 R)
• M92: 53,312,193 km (0.113 R)
• M93: 53,473,160 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 13,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit