🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.7

Radius: 15

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.52 AU - 0.62 AU

Year: 292 Days

Day: 6 Hours

Environment

Temp: -138 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 33,664,369 km

• M1: 188,793 km (0.106 R)
• M2: 791,672 km (0.118 R)
• M3: 1,385,276 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.9

Radius: 8

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.8 AU - 1.16 AU

Year: 658 Days

Day: 10.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,664,369 km

• M1: 99,782 km (0.078 R)
• M2: 358,885 km (0.115 R)
• M3: 692,788 km (0.101 R)
• M4: 967,749 km (0.119 R)
• M5: 1,292,376 km (0.109 R)
• M6: 1,785,750 km (0.112 R)
• M7: 2,353,025 km (0.088 R)
• M8: 3,057,032 km (0.108 R)
• M9: 3,542,627 km (0.035 R)
• M10: 3,842,571 km (0.051 R)
• M11: 4,105,564 km (0.074 R)
• M12: 4,876,143 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.3

Radius: 12.2

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.49 AU - 2.05 AU

Year: 1597 Days

Day: 14.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,664,369 km

• M1: 151,842 km (0.097 R)
• M2: 603,328 km (0.073 R)
• M3: 1,052,720 km (0.082 R)
• M4: 1,613,114 km (0.115 R)
• M5: 2,078,812 km (0.075 R)
• M6: 2,510,701 km (0.087 R)
• M7: 2,907,285 km (0.036 R)
• M8: 3,361,015 km (0.079 R)
• M9: 3,764,331 km (0.083 R)
• M10: 5,074,210 km (0.099 R)
• M11: 5,736,181 km (0.095 R)
• M12: 6,361,949 km (0.067 R)
• M13: 7,990,920 km (0.095 R)
• M14: 8,946,401 km (0.068 R)
• M15: 9,543,147 km (0.089 R)
• M16: 9,976,532 km (0.05 R)
• M17: 10,916,306 km (0.114 R)
• M18: 11,772,904 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.6

Radius: 12.2

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.77 AU - 2.13 AU

Year: 1847 Days

Day: 9.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,664,369 km

• M1: 152,590 km (0.118 R)
• M2: 613,950 km (0.037 R)
• M3: 1,061,846 km (0.099 R)
• M4: 1,494,034 km (0.119 R)
• M5: 3,239,542 km (0.114 R)
• M6: 3,650,038 km (0.051 R)
• M7: 4,514,714 km (0.07 R)
• M8: 5,678,735 km (0.101 R)
• M9: 6,949,719 km (0.115 R)
• M10: 8,245,087 km (0.108 R)
• M11: 8,884,618 km (0.098 R)
• M12: 10,777,479 km (0.084 R)
• M13: 11,464,433 km (0.072 R)
• M14: 13,922,625 km (0.094 R)
• M15: 14,553,928 km (0.05 R)
• M16: 14,969,810 km (0.094 R)
• M17: 15,728,870 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.2

Radius: 9.9

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.76 AU - 2.54 AU

Year: 2138 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,664,369 km

• M1: 123,269 km (0.068 R)
• M2: 484,548 km (0.097 R)
• M3: 938,577 km (0.055 R)
• M4: 1,528,441 km (0.113 R)
• M5: 1,953,898 km (0.081 R)
• M6: 2,297,973 km (0.113 R)
• M7: 3,442,845 km (0.119 R)
• M8: 4,161,065 km (0.065 R)
• M9: 5,673,050 km (0.101 R)
• M10: 6,459,935 km (0.1 R)
• M11: 7,346,751 km (0.118 R)
• M12: 8,535,007 km (0.093 R)
• M13: 9,124,722 km (0.09 R)
• M14: 11,561,223 km (0.119 R)
• M15: 12,739,455 km (0.112 R)
• M16: 14,265,803 km (0.027 R)
• M17: 16,008,169 km (0.064 R)
• M18: 16,905,307 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.1

Radius: 8.1

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.22 AU - 2.96 AU

Year: 2827 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,664,369 km

• M1: 100,679 km (0.03 R)
• M2: 387,758 km (0.116 R)
• M3: 662,569 km (0.114 R)
• M4: 936,333 km (0.085 R)
• M5: 1,215,632 km (0.111 R)
• M6: 1,509,742 km (0.036 R)
• M7: 2,230,803 km (0.119 R)
• M8: 3,410,233 km (0.076 R)
• M9: 3,708,082 km (0.077 R)
• M10: 4,003,089 km (0.115 R)
• M11: 4,618,236 km (0.092 R)
• M12: 5,903,282 km (0.038 R)
• M13: 6,614,171 km (0.097 R)
• M14: 7,849,400 km (0.081 R)
• M15: 8,304,477 km (0.11 R)
• M16: 8,708,391 km (0.106 R)
• M17: 9,374,700 km (0.111 R)
• M18: 9,812,872 km (0.111 R)
• M19: 10,341,102 km (0.05 R)
• M20: 10,612,174 km (0.039 R)
• M21: 12,866,763 km (0.087 R)
• M22: 14,011,337 km (0.109 R)
• M23: 15,372,228 km (0.093 R)
• M24: 17,796,013 km (0.111 R)
• M25: 19,448,621 km (0.113 R)
• M26: 20,101,316 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.5

Radius: 10.3

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.08 AU - 4.02 AU

Year: 4537 Days

Day: 10 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,664,369 km

• M1: 128,205 km (0.113 R)
• M2: 451,786 km (0.116 R)
• M3: 836,402 km (0.111 R)
• M4: 1,586,037 km (0.101 R)
• M5: 2,476,443 km (0.118 R)
• M6: 3,476,954 km (0.102 R)
• M7: 4,346,716 km (0.107 R)
• M8: 5,186,409 km (0.077 R)
• M9: 6,320,061 km (0.096 R)
• M10: 6,644,090 km (0.11 R)
• M11: 7,185,934 km (0.097 R)
• M12: 7,904,452 km (0.085 R)
• M13: 8,242,992 km (0.069 R)
• M14: 9,738,223 km (0.09 R)
• M15: 11,264,869 km (0.113 R)
• M16: 11,742,834 km (0.11 R)
• M17: 12,535,554 km (0.093 R)
• M18: 13,153,243 km (0.085 R)
• M19: 14,282,857 km (0.096 R)
• M20: 24,539,885 km (0.03 R)
• M21: 26,919,239 km (0.085 R)
• M22: 27,515,836 km (0.104 R)
• M23: 29,358,582 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.1

Radius: 7.7

Gravity: 13.56 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.84 AU - 5.92 AU

Year: 9671 Days

Day: 19 Hours

Environment

Temp: -237 °C

Axial Tilt: 92.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 33,664,369 km

• M1: 103,522 km (0.089 R)
• M2: 1,179,130 km (0.051 R)
• M3: 1,495,979 km (0.109 R)
• M4: 1,951,205 km (0.095 R)
• M5: 2,595,523 km (0.079 R)
• M6: 3,183,742 km (0.089 R)
• M7: 4,837,098 km (0.053 R)
• M8: 5,187,007 km (0.062 R)
• M9: 6,339,060 km (0.11 R)
• M10: 7,319,076 km (0.106 R)
• M11: 8,128,849 km (0.07 R)
• M12: 8,396,629 km (0.037 R)
• M13: 9,526,991 km (0.098 R)
• M14: 10,026,797 km (0.116 R)
• M15: 11,352,833 km (0.079 R)
• M16: 11,800,878 km (0.081 R)
• M17: 13,277,110 km (0.084 R)
• M18: 16,878,679 km (0.075 R)
• M19: 17,908,959 km (0.063 R)
• M20: 20,420,409 km (0.099 R)
• M21: 25,649,153 km (0.063 R)
• M22: 28,724,437 km (0.048 R)
• M23: 29,978,067 km (0.094 R)
• M24: 30,618,346 km (0.084 R)
• M25: 33,044,374 km (0.101 R)
• M26: 36,073,283 km (0.115 R)
• M27: 36,797,635 km (0.075 R)
• M28: 37,041,181 km (0.039 R)
• M29: 38,776,516 km (0.063 R)
• M30: 39,920,341 km (0.053 R)
• M31: 41,876,483 km (0.084 R)
• M32: 42,945,510 km (0.051 R)
• M33: 46,261,496 km (0.081 R)
• M34: 47,547,738 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.6

Radius: 3.7

Gravity: 70.9 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.27 AU - 7.73 AU

Year: 11240 Days

Day: 18.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 33,664,369 km

• M1: 48,919 km (0.065 R)
• M2: 170,841 km (0.107 R)
• M3: 451,187 km (0.112 R)
• M4: 1,165,367 km (0.064 R)
• M5: 1,392,158 km (0.062 R)
• M6: 1,679,834 km (0.043 R)
• M7: 1,951,654 km (0.116 R)
• M8: 2,116,959 km (0.089 R)
• M9: 2,252,046 km (0.057 R)
• M10: 3,137,367 km (0.104 R)
• M11: 3,880,718 km (0.082 R)
• M12: 4,447,545 km (0.119 R)
• M13: 4,605,520 km (0.093 R)
• M14: 4,799,848 km (0.114 R)
• M15: 7,446,982 km (0.109 R)
• M16: 7,897,122 km (0.026 R)
• M17: 8,175,823 km (0.109 R)
• M18: 8,365,363 km (0.074 R)
• M19: 9,356,599 km (0.096 R)
• M20: 12,796,602 km (0.113 R)
• M21: 14,175,745 km (0.076 R)
• M22: 17,070,912 km (0.111 R)
• M23: 19,400,450 km (0.115 R)
• M24: 19,992,858 km (0.1 R)
• M25: 23,042,859 km (0.105 R)
• M26: 23,231,353 km (0.118 R)
• M27: 25,473,675 km (0.047 R)
• M28: 28,177,357 km (0.076 R)
• M29: 29,709,389 km (0.115 R)
• M30: 30,723,214 km (0.085 R)
• M31: 33,418,070 km (0.088 R)
• M32: 42,017,853 km (0.032 R)
• M33: 42,581,837 km (0.089 R)
• M34: 52,957,796 km (0.11 R)
• M35: 54,112,691 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153

Radius: 4.9

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.42 AU - 7.5 AU

Year: 12454 Days

Day: 21.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,664,369 km

• M1: 60,886 km (0.057 R)
• M2: 428,598 km (0.077 R)
• M3: 729,738 km (0.099 R)
• M4: 1,313,021 km (0.036 R)
• M5: 1,526,497 km (0.102 R)
• M6: 1,722,021 km (0.055 R)
• M7: 2,116,211 km (0.069 R)
• M8: 2,846,099 km (0.118 R)
• M9: 5,206,604 km (0.105 R)
• M10: 6,057,517 km (0.087 R)
• M11: 8,665,008 km (0.076 R)
• M12: 11,100,012 km (0.088 R)
• M13: 11,341,763 km (0.055 R)
• M14: 12,395,530 km (0.058 R)
• M15: 13,295,062 km (0.05 R)
• M16: 15,824,164 km (0.08 R)
• M17: 18,251,987 km (0.111 R)
• M18: 19,624,249 km (0.076 R)
• M19: 24,721,497 km (0.112 R)
• M20: 28,962,746 km (0.109 R)
• M21: 29,328,962 km (0.058 R)
• M22: 31,591,480 km (0.071 R)
• M23: 32,567,606 km (0.077 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 14,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit