🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.2

Radius: 9.7

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.56 AU - 0.56 AU

Year: 295 Days

Day: 8 Hours

Environment

Temp: -140 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,914,128 km

• M1: 120,576 km (0.105 R)
• M2: 464,352 km (0.069 R)
• M3: 1,198,728 km (0.078 R)
• M4: 1,563,896 km (0.077 R)
• M5: 1,989,352 km (0.083 R)
• M6: 2,393,865 km (0.027 R)
• M7: 3,210,520 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.1

Radius: 10.7

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.58 AU - 0.8 AU

Year: 403 Days

Day: 10.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 54.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,914,128 km

• M1: 133,142 km (0.116 R)
• M2: 497,114 km (0.046 R)
• M3: 942,766 km (0.12 R)
• M4: 1,341,743 km (0.058 R)
• M5: 1,769,444 km (0.09 R)
• M6: 2,287,651 km (0.118 R)
• M7: 2,675,259 km (0.098 R)
• M8: 3,405,446 km (0.085 R)
• M9: 3,758,647 km (0.12 R)
• M10: 4,730,135 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.5

Radius: 11.8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.67 AU - 6.09 AU

Year: 7578 Days

Day: 11.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,914,128 km

• M1: 146,905 km (0.061 R)
• M2: 764,146 km (0.117 R)
• M3: 1,942,977 km (0.083 R)
• M4: 2,358,111 km (0.107 R)
• M5: 3,572,248 km (0.048 R)
• M6: 6,329,636 km (0.049 R)
• M7: 8,121,369 km (0.082 R)
• M8: 8,902,120 km (0.059 R)
• M9: 15,498,040 km (0.1 R)
• M10: 16,119,619 km (0.082 R)
• M11: 18,709,906 km (0.104 R)
• M12: 23,797,730 km (0.095 R)
• M13: 25,472,029 km (0.119 R)
• M14: 26,657,742 km (0.067 R)
• M15: 27,386,583 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.6

Radius: 3.5

Gravity: 12.7 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.82 AU - 9.26 AU

Year: 14553 Days

Day: 20 Hours

Environment

Temp: -239 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,914,128 km

• M1: 43,533 km (0.093 R)
• M2: 188,643 km (0.095 R)
• M3: 343,626 km (0.104 R)
• M4: 710,590 km (0.093 R)
• M5: 1,066,633 km (0.11 R)
• M6: 2,724,925 km (0.119 R)
• M7: 4,244,540 km (0.084 R)
• M8: 4,932,691 km (0.117 R)
• M9: 5,049,377 km (0.11 R)
• M10: 6,285,205 km (0.066 R)
• M11: 6,491,650 km (0.092 R)
• M12: 6,845,898 km (0.112 R)
• M13: 7,363,357 km (0.077 R)
• M14: 7,827,110 km (0.072 R)
• M15: 8,475,467 km (0.059 R)
• M16: 11,581,418 km (0.07 R)
• M17: 13,022,046 km (0.059 R)
• M18: 13,189,147 km (0.053 R)
• M19: 13,414,142 km (0.113 R)
• M20: 16,125,005 km (0.112 R)
• M21: 16,447,089 km (0.093 R)
• M22: 16,642,314 km (0.088 R)
• M23: 18,330,377 km (0.054 R)
• M24: 20,652,884 km (0.079 R)
• M25: 23,001,570 km (0.094 R)
• M26: 23,245,864 km (0.058 R)
• M27: 23,574,231 km (0.088 R)
• M28: 24,240,091 km (0.105 R)
• M29: 24,662,705 km (0.099 R)
• M30: 25,696,725 km (0.075 R)
• M31: 27,301,462 km (0.107 R)
• M32: 33,861,328 km (0.043 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737.5

Radius: 4.9

Gravity: 30.72 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.01 AU - 9.15 AU

Year: 16145 Days

Day: 23.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,914,128 km

• M1: 64,028 km (0.088 R)
• M2: 332,406 km (0.077 R)
• M3: 601,383 km (0.119 R)
• M4: 1,194,240 km (0.082 R)
• M5: 1,346,680 km (0.11 R)
• M6: 1,674,599 km (0.119 R)
• M7: 1,903,035 km (0.098 R)
• M8: 2,112,472 km (0.053 R)
• M9: 2,623,199 km (0.046 R)
• M10: 3,945,793 km (0.099 R)
• M11: 4,255,611 km (0.105 R)
• M12: 5,973,293 km (0.095 R)
• M13: 6,298,669 km (0.104 R)
• M14: 6,722,031 km (0.093 R)
• M15: 7,531,206 km (0.076 R)
• M16: 7,959,355 km (0.115 R)
• M17: 11,360,761 km (0.062 R)
• M18: 13,863,534 km (0.083 R)
• M19: 17,031,867 km (0.064 R)
• M20: 17,602,882 km (0.107 R)
• M21: 21,867,618 km (0.107 R)
• M22: 22,251,187 km (0.073 R)
• M23: 23,329,489 km (0.106 R)
• M24: 25,168,346 km (0.051 R)
• M25: 29,016,302 km (0.037 R)
• M26: 34,258,212 km (0.095 R)
• M27: 36,897,716 km (0.109 R)
• M28: 40,383,945 km (0.118 R)
• M29: 40,961,243 km (0.092 R)
• M30: 45,468,478 km (0.084 R)
• M31: 51,468,699 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.2

Radius: 4.4

Gravity: 37.2 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.12 AU - 8.44 AU

Year: 16748 Days

Day: 19.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,914,128 km

• M1: 54,753 km (0.114 R)
• M2: 216,319 km (0.079 R)
• M3: 386,262 km (0.114 R)
• M4: 525,837 km (0.09 R)
• M5: 699,968 km (0.074 R)
• M6: 837,000 km (0.087 R)
• M7: 992,432 km (0.078 R)
• M8: 1,376,749 km (0.107 R)
• M9: 1,595,012 km (0.085 R)
• M10: 1,927,718 km (0.099 R)
• M11: 2,590,886 km (0.062 R)
• M12: 3,050,301 km (0.073 R)
• M13: 3,676,667 km (0.098 R)
• M14: 4,550,019 km (0.073 R)
• M15: 5,905,376 km (0.048 R)
• M16: 7,185,485 km (0.051 R)
• M17: 8,640,025 km (0.12 R)
• M18: 9,545,840 km (0.061 R)
• M19: 11,544,168 km (0.059 R)
• M20: 12,376,681 km (0.093 R)
• M21: 13,455,431 km (0.095 R)
• M22: 13,875,651 km (0.099 R)
• M23: 14,232,442 km (0.063 R)
• M24: 15,567,753 km (0.105 R)
• M25: 17,065,527 km (0.041 R)
• M26: 26,011,928 km (0.052 R)
• M27: 39,753,689 km (0.036 R)
• M28: 40,328,295 km (0.068 R)
• M29: 48,310,538 km (0.065 R)
• M30: 51,301,448 km (0.113 R)
• M31: 59,127,362 km (0.115 R)

Asteroid Belt

Center: 9.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.9

Radius: 7.1

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.63 AU - 12.07 AU

Year: 21730 Days

Day: 18.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 71,914,128 km

• M1: 97,837 km (0.086 R)
• M2: 410,945 km (0.093 R)
• M3: 689,197 km (0.109 R)
• M4: 1,265,299 km (0.119 R)
• M5: 3,037,734 km (0.11 R)
• M6: 3,906,300 km (0.08 R)
• M7: 4,316,198 km (0.082 R)
• M8: 5,184,913 km (0.095 R)
• M9: 5,524,649 km (0.089 R)
• M10: 6,633,469 km (0.078 R)
• M11: 7,309,950 km (0.097 R)
• M12: 7,883,658 km (0.058 R)
• M13: 8,538,598 km (0.114 R)
• M14: 8,959,267 km (0.077 R)
• M15: 9,785,197 km (0.112 R)
• M16: 10,129,421 km (0.086 R)
• M17: 10,781,519 km (0.1 R)
• M18: 11,461,291 km (0.109 R)
• M19: 12,433,677 km (0.047 R)
• M20: 13,601,139 km (0.072 R)
• M21: 18,048,086 km (0.107 R)
• M22: 20,272,157 km (0.074 R)
• M23: 21,115,590 km (0.086 R)
• M24: 26,232,435 km (0.044 R)
• M25: 26,785,648 km (0.026 R)
• M26: 28,375,724 km (0.083 R)
• M27: 29,668,399 km (0.034 R)
• M28: 30,389,760 km (0.091 R)
• M29: 31,867,638 km (0.117 R)
• M30: 32,624,304 km (0.11 R)
• M31: 33,911,893 km (0.036 R)
• M32: 35,770,945 km (0.096 R)
• M33: 40,566,455 km (0.119 R)
• M34: 41,009,115 km (0.115 R)
• M35: 45,933,129 km (0.101 R)
• M36: 49,370,140 km (0.086 R)
• M37: 52,101,049 km (0.081 R)
• M38: 56,383,737 km (0.089 R)
• M39: 58,048,462 km (0.071 R)
• M40: 58,987,338 km (0.116 R)
• M41: 61,088,440 km (0.097 R)
• M42: 63,834,010 km (0.037 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: 505 - 11,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit