🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.9

Radius: 12.5

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.64 AU - 1.04 AU

Year: 522 Days

Day: 8.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,877,672 km

• M1: 155,432 km (0.114 R)
• M2: 557,402 km (0.097 R)
• M3: 1,055,114 km (0.046 R)
• M4: 1,644,081 km (0.088 R)
• M5: 2,191,160 km (0.096 R)
• M6: 2,627,836 km (0.068 R)
• M7: 3,349,197 km (0.108 R)
• M8: 4,489,731 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.5

Radius: 14.6

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.45 AU - 1.51 AU

Year: 1221 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,877,672 km

• M1: 181,761 km (0.114 R)
• M2: 690,843 km (0.112 R)
• M3: 1,306,588 km (0.056 R)
• M4: 1,776,774 km (0.116 R)
• M5: 2,542,865 km (0.12 R)
• M6: 3,210,969 km (0.094 R)
• M7: 3,853,043 km (0.109 R)
• M8: 4,458,316 km (0.057 R)
• M9: 5,495,627 km (0.047 R)
• M10: 6,029,393 km (0.091 R)
• M11: 6,711,110 km (0.101 R)
• M12: 7,641,459 km (0.078 R)
• M13: 8,361,175 km (0.097 R)
• M14: 9,906,969 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.2

Radius: 13.5

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.43 AU - 2.93 AU

Year: 2976 Days

Day: 7.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,877,672 km

• M1: 168,148 km (0.106 R)
• M2: 1,059,153 km (0.118 R)
• M3: 1,819,409 km (0.089 R)
• M4: 2,682,439 km (0.083 R)
• M5: 3,376,424 km (0.072 R)
• M6: 3,954,021 km (0.076 R)
• M7: 4,513,069 km (0.094 R)
• M8: 6,249,601 km (0.116 R)
• M9: 7,096,474 km (0.092 R)
• M10: 7,682,449 km (0.063 R)
• M11: 10,767,756 km (0.076 R)
• M12: 12,946,200 km (0.117 R)
• M13: 13,423,716 km (0.098 R)
• M14: 14,599,406 km (0.091 R)
• M15: 15,021,870 km (0.079 R)
• M16: 17,103,225 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.6

Radius: 9.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.21 AU - 3.41 AU

Year: 3195 Days

Day: 12.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,877,672 km

• M1: 113,246 km (0.09 R)
• M2: 478,414 km (0.059 R)
• M3: 855,999 km (0.111 R)
• M4: 1,653,804 km (0.102 R)
• M5: 2,146,580 km (0.076 R)
• M6: 2,822,613 km (0.101 R)
• M7: 3,146,193 km (0.079 R)
• M8: 4,739,709 km (0.098 R)
• M9: 10,403,634 km (0.118 R)
• M10: 11,218,494 km (0.096 R)
• M11: 11,916,518 km (0.032 R)
• M12: 16,429,437 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.3

Radius: 12.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.67 AU - 4.03 AU

Year: 4159 Days

Day: 13.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 100.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,877,672 km

• M1: 151,692 km (0.085 R)
• M2: 536,308 km (0.083 R)
• M3: 1,055,114 km (0.103 R)
• M4: 2,397,904 km (0.068 R)
• M5: 2,851,335 km (0.036 R)
• M6: 4,568,719 km (0.042 R)
• M7: 5,063,589 km (0.098 R)
• M8: 5,594,212 km (0.051 R)
• M9: 6,103,144 km (0.116 R)
• M10: 6,798,625 km (0.116 R)
• M11: 7,181,895 km (0.099 R)
• M12: 10,964,776 km (0.058 R)
• M13: 11,993,261 km (0.045 R)
• M14: 13,629,862 km (0.077 R)
• M15: 15,465,577 km (0.094 R)
• M16: 16,931,936 km (0.071 R)
• M17: 17,460,615 km (0.081 R)
• M18: 18,060,801 km (0.112 R)
• M19: 18,489,250 km (0.115 R)
• M20: 21,001,147 km (0.103 R)
• M21: 22,164,271 km (0.111 R)
• M22: 22,726,161 km (0.103 R)
• M23: 23,297,774 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.5

Radius: 10

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.5 AU - 3.58 AU

Year: 4517 Days

Day: 7.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,877,672 km

• M1: 124,465 km (0.05 R)
• M2: 452,683 km (0.118 R)
• M3: 949,797 km (0.111 R)
• M4: 1,900,641 km (0.062 R)
• M5: 2,224,221 km (0.05 R)
• M6: 6,728,314 km (0.049 R)
• M7: 7,461,493 km (0.105 R)
• M8: 8,097,434 km (0.099 R)
• M9: 10,826,697 km (0.083 R)
• M10: 11,566,309 km (0.095 R)
• M11: 12,339,132 km (0.066 R)
• M12: 14,509,647 km (0.069 R)
• M13: 14,909,672 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.4

Radius: 10.6

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.42 AU - 6.3 AU

Year: 8417 Days

Day: 6.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,877,672 km

• M1: 131,796 km (0.074 R)
• M2: 482,304 km (0.074 R)
• M3: 1,042,996 km (0.093 R)
• M4: 1,548,039 km (0.098 R)
• M5: 1,933,552 km (0.045 R)
• M6: 2,786,111 km (0.045 R)
• M7: 3,144,398 km (0.114 R)
• M8: 3,533,651 km (0.111 R)
• M9: 4,708,892 km (0.052 R)
• M10: 5,661,831 km (0.043 R)
• M11: 6,889,880 km (0.119 R)
• M12: 8,602,326 km (0.117 R)
• M13: 9,293,768 km (0.092 R)
• M14: 11,376,170 km (0.065 R)
• M15: 14,596,115 km (0.082 R)
• M16: 15,316,578 km (0.117 R)
• M17: 17,052,512 km (0.107 R)
• M18: 17,563,538 km (0.106 R)
• M19: 20,911,239 km (0.076 R)
• M20: 21,760,656 km (0.114 R)
• M21: 22,700,878 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.3

Radius: 3.3

Gravity: 19.22 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 6.12 AU - 6.22 AU

Year: 10395 Days

Day: 20.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,877,672 km

• M1: 64,327 km (0.069 R)
• M2: 227,688 km (0.034 R)
• M3: 403,017 km (0.107 R)
• M4: 663,766 km (0.098 R)
• M5: 1,007,841 km (0.078 R)
• M6: 1,145,770 km (0.092 R)
• M7: 1,484,160 km (0.111 R)
• M8: 1,771,987 km (0.076 R)
• M9: 2,222,875 km (0.06 R)
• M10: 2,440,240 km (0.106 R)
• M11: 2,598,964 km (0.074 R)
• M12: 2,937,205 km (0.111 R)
• M13: 3,910,040 km (0.047 R)
• M14: 5,338,550 km (0.042 R)
• M15: 5,456,433 km (0.097 R)
• M16: 6,733,400 km (0.107 R)
• M17: 7,223,782 km (0.115 R)
• M18: 7,926,742 km (0.032 R)
• M19: 9,296,610 km (0.098 R)
• M20: 11,005,467 km (0.106 R)
• M21: 13,394,694 km (0.076 R)
• M22: 13,503,452 km (0.081 R)
• M23: 17,755,771 km (0.082 R)
• M24: 18,151,458 km (0.084 R)
• M25: 19,234,995 km (0.105 R)
• M26: 21,013,415 km (0.082 R)
• M27: 24,729,276 km (0.038 R)
• M28: 24,892,936 km (0.092 R)
• M29: 28,409,683 km (0.053 R)
• M30: 31,662,090 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 682.6

Radius: 3.4

Gravity: 59.05 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.02 AU - 7.34 AU

Year: 13049 Days

Day: 24.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,877,672 km

• M1: 42,486 km (0.058 R)
• M2: 164,857 km (0.057 R)
• M3: 719,416 km (0.086 R)
• M4: 1,069,774 km (0.06 R)
• M5: 1,364,781 km (0.112 R)
• M6: 3,379,266 km (0.025 R)
• M7: 4,335,645 km (0.056 R)
• M8: 5,352,911 km (0.04 R)
• M9: 5,603,039 km (0.111 R)
• M10: 6,640,799 km (0.073 R)
• M11: 7,891,138 km (0.066 R)
• M12: 11,715,757 km (0.074 R)
• M13: 14,878,256 km (0.109 R)
• M14: 24,726,583 km (0.086 R)
• M15: 27,466,917 km (0.099 R)
• M16: 36,633,527 km (0.094 R)
• M17: 40,045,555 km (0.034 R)
• M18: 41,274,202 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.1

Radius: 7.1

Gravity: 16.74 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.81 AU - 7.67 AU

Year: 13213 Days

Day: 19.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,877,672 km

• M1: 119,977 km (0.103 R)
• M2: 341,382 km (0.088 R)
• M3: 782,846 km (0.104 R)
• M4: 1,212,341 km (0.057 R)
• M5: 2,411,218 km (0.056 R)
• M6: 3,068,252 km (0.111 R)
• M7: 4,042,882 km (0.084 R)
• M8: 4,378,131 km (0.12 R)
• M9: 5,035,315 km (0.089 R)
• M10: 5,870,370 km (0.065 R)
• M11: 7,181,147 km (0.104 R)
• M12: 8,479,058 km (0.064 R)
• M13: 9,080,591 km (0.099 R)
• M14: 9,872,113 km (0.11 R)
• M15: 10,145,877 km (0.095 R)
• M16: 12,144,206 km (0.104 R)
• M17: 12,843,127 km (0.047 R)
• M18: 13,907,366 km (0.12 R)
• M19: 14,182,327 km (0.112 R)
• M20: 14,885,736 km (0.049 R)
• M21: 15,686,085 km (0.115 R)
• M22: 16,134,579 km (0.033 R)
• M23: 16,514,857 km (0.106 R)
• M24: 19,861,660 km (0.096 R)
• M25: 20,741,745 km (0.084 R)
• M26: 32,321,368 km (0.069 R)
• M27: 34,910,309 km (0.116 R)
• M28: 36,190,418 km (0.091 R)
• M29: 39,664,679 km (0.091 R)
• M30: 41,766,828 km (0.119 R)
• M31: 43,063,243 km (0.06 R)
• M32: 54,244,637 km (0.085 R)
• M33: 57,006,662 km (0.113 R)
• M34: 58,422,157 km (0.073 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 15,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit