🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.9

Radius: 8

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.5 AU - 0.52 AU

Year: 251 Days

Day: 13.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,870,046 km

• M1: 99,483 km (0.093 R)
• M2: 424,409 km (0.045 R)
• M3: 743,053 km (0.036 R)
• M4: 1,022,202 km (0.097 R)
• M5: 1,327,980 km (0.093 R)
• M6: 1,583,493 km (0.095 R)
• M7: 1,833,621 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.1

Radius: 13.5

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.49 AU - 0.65 AU

Year: 297 Days

Day: 13.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,870,046 km

• M1: 167,998 km (0.104 R)
• M2: 611,257 km (0.118 R)
• M3: 1,067,830 km (0.114 R)
• M4: 1,570,329 km (0.111 R)
• M5: 2,223,473 km (0.094 R)
• M6: 2,755,892 km (0.112 R)
• M7: 3,621,764 km (0.108 R)
• M8: 4,043,481 km (0.1 R)
• M9: 4,872,403 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.4

Radius: 12.7

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.63 AU - 0.69 AU

Year: 370 Days

Day: 5.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,870,046 km

• M1: 158,424 km (0.043 R)
• M2: 558,150 km (0.094 R)
• M3: 1,103,583 km (0.063 R)
• M4: 1,505,852 km (0.096 R)
• M5: 1,934,450 km (0.111 R)
• M6: 2,488,860 km (0.097 R)
• M7: 2,985,525 km (0.108 R)
• M8: 3,436,712 km (0.063 R)
• M9: 4,360,030 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.4

Radius: 12

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.8 AU - 0.86 AU

Year: 522 Days

Day: 5.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,870,046 km

• M1: 149,299 km (0.086 R)
• M2: 618,886 km (0.112 R)
• M3: 1,003,503 km (0.102 R)
• M4: 1,446,013 km (0.06 R)
• M5: 1,839,306 km (0.106 R)
• M6: 2,267,904 km (0.06 R)
• M7: 2,679,447 km (0.107 R)
• M8: 3,553,548 km (0.056 R)
• M9: 4,240,651 km (0.115 R)
• M10: 4,715,624 km (0.109 R)
• M11: 5,376,248 km (0.049 R)
• M12: 6,079,358 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318

Radius: 13.3

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.89 AU - 1.33 AU

Year: 807 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,870,046 km

• M1: 165,605 km (0.054 R)
• M2: 726,298 km (0.097 R)
• M3: 1,242,859 km (0.103 R)
• M4: 1,671,307 km (0.112 R)
• M5: 2,164,382 km (0.118 R)
• M6: 2,874,224 km (0.119 R)
• M7: 4,545,083 km (0.082 R)
• M8: 5,264,798 km (0.053 R)
• M9: 6,208,611 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.4

Radius: 11.7

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.45 AU - 1.83 AU

Year: 1450 Days

Day: 14.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,870,046 km

• M1: 145,708 km (0.071 R)
• M2: 523,892 km (0.032 R)
• M3: 981,212 km (0.06 R)
• M4: 1,376,300 km (0.072 R)
• M5: 1,747,902 km (0.118 R)
• M6: 2,210,907 km (0.093 R)
• M7: 3,217,701 km (0.111 R)
• M8: 3,850,948 km (0.096 R)
• M9: 4,526,981 km (0.107 R)
• M10: 5,006,742 km (0.119 R)
• M11: 5,974,939 km (0.111 R)
• M12: 6,405,332 km (0.113 R)
• M13: 7,766,822 km (0.066 R)
• M14: 8,397,676 km (0.111 R)
• M15: 10,773,291 km (0.091 R)
• M16: 11,890,488 km (0.114 R)
• M17: 12,266,876 km (0.082 R)
• M18: 13,647,664 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.1

Radius: 8.3

Gravity: 13.3 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.16 AU - 3.96 AU

Year: 4636 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,870,046 km

• M1: 103,223 km (0.045 R)
• M2: 452,833 km (0.054 R)
• M3: 1,088,773 km (0.087 R)
• M4: 1,466,807 km (0.059 R)
• M5: 1,806,245 km (0.078 R)
• M6: 2,540,920 km (0.087 R)
• M7: 2,807,653 km (0.091 R)
• M8: 3,525,423 km (0.042 R)
• M9: 3,881,466 km (0.112 R)
• M10: 4,164,206 km (0.052 R)
• M11: 4,485,991 km (0.049 R)
• M12: 4,877,788 km (0.087 R)
• M13: 5,552,325 km (0.056 R)
• M14: 6,778,878 km (0.108 R)
• M15: 7,260,433 km (0.107 R)
• M16: 8,025,327 km (0.069 R)
• M17: 8,485,939 km (0.077 R)
• M18: 9,586,980 km (0.104 R)
• M19: 10,327,339 km (0.094 R)
• M20: 10,872,474 km (0.076 R)
• M21: 12,369,799 km (0.103 R)
• M22: 16,066,811 km (0.11 R)
• M23: 16,430,035 km (0.091 R)
• M24: 20,089,648 km (0.099 R)
• M25: 20,939,064 km (0.096 R)
• M26: 21,372,599 km (0.104 R)
• M27: 26,126,670 km (0.105 R)
• M28: 27,567,297 km (0.094 R)
• M29: 28,175,712 km (0.08 R)
• M30: 31,352,572 km (0.039 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.6

Radius: 13.6

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.84 AU - 5.54 AU

Year: 7011 Days

Day: 10.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,870,046 km

• M1: 169,195 km (0.116 R)
• M2: 737,069 km (0.115 R)
• M3: 1,164,619 km (0.069 R)
• M4: 1,910,066 km (0.12 R)
• M5: 3,185,986 km (0.102 R)
• M6: 4,071,904 km (0.101 R)
• M7: 4,911,448 km (0.112 R)
• M8: 5,450,000 km (0.119 R)
• M9: 6,789,799 km (0.118 R)
• M10: 7,576,085 km (0.101 R)
• M11: 8,632,695 km (0.076 R)
• M12: 11,290,899 km (0.114 R)
• M13: 12,341,076 km (0.075 R)
• M14: 13,512,876 km (0.118 R)
• M15: 16,799,242 km (0.037 R)
• M16: 17,611,409 km (0.079 R)
• M17: 18,878,503 km (0.082 R)
• M18: 23,293,286 km (0.115 R)
• M19: 26,956,639 km (0.078 R)
• M20: 29,797,353 km (0.067 R)
• M21: 32,106,396 km (0.083 R)
• M22: 36,626,645 km (0.081 R)
• M23: 37,992,174 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.7

Radius: 4

Gravity: 49.98 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.28 AU - 9.42 AU

Year: 19735 Days

Day: 17.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,870,046 km

• M1: 49,816 km (0.105 R)
• M2: 306,975 km (0.097 R)
• M3: 536,159 km (0.092 R)
• M4: 743,501 km (0.115 R)
• M5: 2,601,657 km (0.049 R)
• M6: 2,953,810 km (0.12 R)
• M7: 3,660,510 km (0.109 R)
• M8: 4,301,986 km (0.108 R)
• M9: 4,977,869 km (0.046 R)
• M10: 5,929,312 km (0.092 R)
• M11: 6,184,825 km (0.077 R)
• M12: 6,763,769 km (0.027 R)
• M13: 6,948,971 km (0.119 R)
• M14: 7,673,922 km (0.051 R)
• M15: 8,881,177 km (0.104 R)
• M16: 9,558,706 km (0.097 R)
• M17: 12,825,624 km (0.119 R)
• M18: 13,397,537 km (0.102 R)
• M19: 15,856,028 km (0.1 R)
• M20: 17,191,189 km (0.075 R)
• M21: 21,443,658 km (0.113 R)
• M22: 22,864,987 km (0.069 R)
• M23: 27,153,210 km (0.055 R)
• M24: 27,857,068 km (0.073 R)
• M25: 28,094,480 km (0.086 R)
• M26: 28,333,089 km (0.097 R)
• M27: 32,469,021 km (0.045 R)
• M28: 32,600,368 km (0.094 R)
• M29: 40,833,786 km (0.079 R)
• M30: 41,912,387 km (0.076 R)
• M31: 44,126,286 km (0.11 R)
• M32: 47,422,525 km (0.054 R)
• M33: 48,613,922 km (0.083 R)
• M34: 50,879,133 km (0.112 R)
• M35: 56,183,724 km (0.108 R)
• M36: 56,372,966 km (0.102 R)
• M37: 60,643,985 km (0.096 R)
• M38: 62,858,183 km (0.064 R)
• M39: 65,543,614 km (0.038 R)
• M40: 73,377,606 km (0.057 R)
• M41: 78,223,679 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.3

Radius: 6.7

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.34 AU - 11.42 AU

Year: 23084 Days

Day: 16.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,870,046 km

• M1: 84,672 km (0.081 R)
• M2: 409,449 km (0.113 R)
• M3: 805,884 km (0.118 R)
• M4: 1,034,170 km (0.078 R)
• M5: 1,320,500 km (0.108 R)
• M6: 2,034,980 km (0.118 R)
• M7: 2,337,317 km (0.081 R)
• M8: 2,577,871 km (0.115 R)
• M9: 3,109,093 km (0.087 R)
• M10: 6,520,223 km (0.116 R)
• M11: 6,910,674 km (0.117 R)
• M12: 9,533,872 km (0.044 R)
• M13: 10,093,967 km (0.119 R)
• M14: 11,035,536 km (0.038 R)
• M15: 17,201,511 km (0.087 R)
• M16: 25,332,305 km (0.103 R)
• M17: 39,272,732 km (0.109 R)
• M18: 50,731,929 km (0.097 R)
• M19: 52,090,128 km (0.101 R)
• M20: 52,951,064 km (0.067 R)
• M21: 55,770,086 km (0.104 R)
• M22: 56,490,250 km (0.08 R)
• M23: 61,322,561 km (0.115 R)
• M24: 62,282,381 km (0.096 R)
• M25: 64,429,260 km (0.089 R)
• M26: 67,435,579 km (0.072 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 14,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit