🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.7

Radius: 11.9

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.61 AU - 0.69 AU

Year: 362 Days

Day: 8 Hours

Environment

Temp: -144 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,034,134 km

• M1: 148,999 km (0.104 R)
• M2: 601,234 km (0.105 R)
• M3: 1,042,398 km (0.111 R)
• M4: 1,744,461 km (0.099 R)
• M5: 2,259,676 km (0.036 R)
• M6: 2,751,404 km (0.108 R)
• M7: 3,521,683 km (0.067 R)
• M8: 4,000,845 km (0.081 R)
• M9: 4,404,760 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.8

Radius: 11.2

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.33 AU - 1.53 AU

Year: 1180 Days

Day: 12 Hours

Environment

Temp: -194 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,034,134 km

• M1: 139,276 km (0.055 R)
• M2: 493,673 km (0.083 R)
• M3: 1,034,469 km (0.108 R)
• M4: 1,494,034 km (0.117 R)
• M5: 2,016,430 km (0.086 R)
• M6: 2,498,883 km (0.047 R)
• M7: 2,893,223 km (0.063 R)
• M8: 3,510,464 km (0.104 R)
• M9: 3,950,281 km (0.111 R)
• M10: 4,908,157 km (0.066 R)
• M11: 6,585,597 km (0.096 R)
• M12: 7,021,675 km (0.087 R)
• M13: 7,388,788 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.8

Radius: 8.6

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.46 AU - 1.48 AU

Year: 1230 Days

Day: 10.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,034,134 km

• M1: 106,962 km (0.03 R)
• M2: 442,959 km (0.096 R)
• M3: 1,220,719 km (0.09 R)
• M4: 2,286,753 km (0.106 R)
• M5: 2,575,178 km (0.073 R)
• M6: 3,458,254 km (0.11 R)
• M7: 3,764,182 km (0.098 R)
• M8: 4,061,582 km (0.116 R)
• M9: 4,748,236 km (0.077 R)
• M10: 5,080,643 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 10

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.3 AU - 1.7 AU

Year: 1268 Days

Day: 7.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 79.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,034,134 km

• M1: 124,316 km (0.095 R)
• M2: 512,971 km (0.095 R)
• M3: 887,265 km (0.079 R)
• M4: 1,217,876 km (0.031 R)
• M5: 1,600,398 km (0.091 R)
• M6: 2,101,401 km (0.082 R)
• M7: 2,480,781 km (0.054 R)
• M8: 2,918,056 km (0.117 R)
• M9: 3,488,174 km (0.116 R)
• M10: 3,844,216 km (0.068 R)
• M11: 4,193,228 km (0.047 R)
• M12: 4,546,878 km (0.09 R)
• M13: 4,868,214 km (0.098 R)
• M14: 5,204,809 km (0.087 R)
• M15: 5,984,663 km (0.108 R)
• M16: 6,371,673 km (0.045 R)
• M17: 6,840,512 km (0.091 R)
• M18: 7,516,994 km (0.09 R)
• M19: 8,040,886 km (0.083 R)
• M20: 8,386,756 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.7

Radius: 10.1

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.7 AU - 2.28 AU

Year: 1938 Days

Day: 11 Hours

Environment

Temp: -191 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,034,134 km

• M1: 126,410 km (0.055 R)
• M2: 463,753 km (0.112 R)
• M3: 800,498 km (0.095 R)
• M4: 1,133,054 km (0.035 R)
• M5: 1,503,459 km (0.043 R)
• M6: 1,921,435 km (0.06 R)
• M7: 2,326,247 km (0.096 R)
• M8: 2,645,788 km (0.113 R)
• M9: 3,244,778 km (0.102 R)
• M10: 4,156,128 km (0.101 R)
• M11: 4,733,875 km (0.073 R)
• M12: 5,688,309 km (0.086 R)
• M13: 7,200,445 km (0.103 R)
• M14: 7,740,044 km (0.107 R)
• M15: 8,709,738 km (0.061 R)
• M16: 9,964,116 km (0.034 R)
• M17: 12,705,497 km (0.043 R)
• M18: 14,271,038 km (0.043 R)
• M19: 14,850,431 km (0.103 R)
• M20: 15,772,403 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.2

Radius: 13.6

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.03 AU - 3.17 AU

Year: 2894 Days

Day: 8.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,034,134 km

• M1: 169,195 km (0.11 R)
• M2: 689,646 km (0.069 R)
• M3: 1,245,701 km (0.068 R)
• M4: 2,222,725 km (0.113 R)
• M5: 3,208,725 km (0.11 R)
• M6: 3,946,242 km (0.065 R)
• M7: 4,514,116 km (0.036 R)
• M8: 4,987,743 km (0.072 R)
• M9: 6,348,485 km (0.075 R)
• M10: 7,320,871 km (0.086 R)
• M11: 8,285,927 km (0.099 R)
• M12: 9,870,617 km (0.064 R)
• M13: 11,048,252 km (0.07 R)
• M14: 13,247,939 km (0.112 R)
• M15: 14,425,872 km (0.095 R)
• M16: 14,936,749 km (0.111 R)
• M17: 15,672,471 km (0.101 R)
• M18: 18,438,835 km (0.109 R)
• M19: 20,927,097 km (0.112 R)
• M20: 21,715,178 km (0.064 R)
• M21: 22,591,373 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.2

Radius: 9.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.41 AU - 3.99 AU

Year: 4913 Days

Day: 5.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,034,134 km

• M1: 154,235 km (0.108 R)
• M2: 583,282 km (0.087 R)
• M3: 1,611,618 km (0.061 R)
• M4: 2,256,833 km (0.109 R)
• M5: 3,990,673 km (0.075 R)
• M6: 4,681,217 km (0.036 R)
• M7: 5,904,628 km (0.091 R)
• M8: 6,861,306 km (0.096 R)
• M9: 7,918,066 km (0.048 R)
• M10: 15,553,691 km (0.099 R)
• M11: 17,885,323 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.4

Radius: 6.3

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.04 AU - 7.2 AU

Year: 11757 Days

Day: 24.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,034,134 km

• M1: 78,688 km (0.079 R)
• M2: 493,075 km (0.106 R)
• M3: 1,765,554 km (0.108 R)
• M4: 2,583,256 km (0.112 R)
• M5: 3,677,864 km (0.086 R)
• M6: 4,875,245 km (0.101 R)
• M7: 7,728,824 km (0.092 R)
• M8: 8,300,288 km (0.092 R)
• M9: 8,943,410 km (0.062 R)
• M10: 10,920,944 km (0.12 R)
• M11: 12,555,300 km (0.05 R)
• M12: 12,833,403 km (0.114 R)
• M13: 13,344,280 km (0.102 R)
• M14: 15,145,438 km (0.09 R)
• M15: 16,631,693 km (0.076 R)
• M16: 19,369,932 km (0.111 R)
• M17: 24,061,172 km (0.106 R)
• M18: 25,809,073 km (0.094 R)
• M19: 26,897,398 km (0.119 R)
• M20: 39,276,622 km (0.074 R)
• M21: 39,752,193 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.3

Radius: 6.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.23 AU - 7.37 AU

Year: 13614 Days

Day: 20.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,034,134 km

• M1: 85,869 km (0.056 R)
• M2: 463,454 km (0.093 R)
• M3: 743,950 km (0.081 R)
• M4: 1,016,218 km (0.106 R)
• M5: 1,625,082 km (0.097 R)
• M6: 1,875,209 km (0.081 R)
• M7: 2,420,942 km (0.085 R)
• M8: 2,713,257 km (0.096 R)
• M9: 3,106,849 km (0.051 R)
• M10: 3,602,466 km (0.099 R)
• M11: 5,154,993 km (0.12 R)
• M12: 6,474,147 km (0.101 R)
• M13: 8,499,104 km (0.111 R)
• M14: 11,425,388 km (0.118 R)
• M15: 12,958,467 km (0.107 R)
• M16: 16,427,043 km (0.118 R)
• M17: 16,915,480 km (0.104 R)
• M18: 19,099,609 km (0.036 R)
• M19: 25,127,206 km (0.095 R)
• M20: 26,021,353 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.3

Radius: 4.2

Gravity: 53.3 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 8.75 AU - 9.33 AU

Year: 18761 Days

Day: 24.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 81,034,134 km

• M1: 151,393 km (0.116 R)
• M2: 403,017 km (0.082 R)
• M3: 581,786 km (0.115 R)
• M4: 999,463 km (0.098 R)
• M5: 1,130,212 km (0.102 R)
• M6: 1,646,175 km (0.071 R)
• M7: 1,966,614 km (0.118 R)
• M8: 2,535,534 km (0.112 R)
• M9: 2,681,093 km (0.111 R)
• M10: 2,988,965 km (0.039 R)
• M11: 3,207,079 km (0.12 R)
• M12: 3,435,814 km (0.069 R)
• M13: 6,312,881 km (0.101 R)
• M14: 6,810,443 km (0.078 R)
• M15: 7,045,162 km (0.115 R)
• M16: 8,037,894 km (0.075 R)
• M17: 14,580,856 km (0.118 R)
• M18: 16,348,205 km (0.032 R)
• M19: 16,515,605 km (0.098 R)
• M20: 22,291,878 km (0.069 R)
• M21: 23,653,069 km (0.1 R)
• M22: 23,867,293 km (0.111 R)
• M23: 24,299,631 km (0.104 R)
• M24: 26,540,009 km (0.027 R)
• M25: 28,428,532 km (0.088 R)
• M26: 30,912,605 km (0.106 R)
• M27: 31,685,278 km (0.102 R)
• M28: 33,403,110 km (0.12 R)
• M29: 34,765,947 km (0.078 R)
• M30: 36,449,970 km (0.098 R)
• M31: 37,167,441 km (0.072 R)
• M32: 42,297,302 km (0.093 R)
• M33: 42,612,953 km (0.107 R)
• M34: 43,730,001 km (0.05 R)
• M35: 44,377,161 km (0.047 R)
• M36: 48,739,435 km (0.119 R)
• M37: 64,145,622 km (0.115 R)
• M38: 66,246,874 km (0.111 R)
• M39: 66,886,106 km (0.102 R)
• M40: 67,100,031 km (0.098 R)
• M41: 74,880,317 km (0.09 R)
• M42: 80,307,428 km (0.114 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 381 - 15,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit